{"id":14833,"date":"2026-07-07T08:36:24","date_gmt":"2026-07-07T08:36:24","guid":{"rendered":"https:\/\/tenessy.com\/?p=14833"},"modified":"2026-07-14T08:54:12","modified_gmt":"2026-07-14T08:54:12","slug":"hydrofobni-redispergovatelny-polymerni-prasek-v-praxi","status":"publish","type":"post","link":"https:\/\/tenessy.com\/cs\/hydrofobni-redispergovatelny-polymerni-prasek-v-praxi\/","title":{"rendered":"Zlep\u0161en\u00ed vodot\u011bsnosti a nepropustnosti such\u00e9 malty ji\u017e ve f\u00e1zi v\u00fdroby"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14833\" class=\"elementor elementor-14833\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fdbc6e4 e-con-full e-flex e-con e-parent\" data-id=\"fdbc6e4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-105ebe2 elementor-widget elementor-widget-image\" data-id=\"105ebe2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-1024x683.jpg\" class=\"attachment-large size-large wp-image-14853\" alt=\"Such\u00e1 stavebn\u00ed sm\u011bs \u2013 RDP\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-1024x683.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-2048x1365.jpg 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e0d9856 elementor-widget elementor-widget-heading\" data-id=\"e0d9856\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00davod<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ae54ec elementor-widget elementor-widget-text-editor\" data-id=\"5ae54ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Prosakov\u00e1n\u00ed budov p\u0159edstavuje chronickou vadu kvality a z\u00e1va\u017enou hrozbu pro spokojenost u\u017eivatel\u016f. V mnoha p\u0159\u00edpadech oprav nen\u00ed zdrojem pronik\u00e1n\u00ed vody konstruk\u010dn\u00ed trhlina, n\u00fdbr\u017e p\u0159irozen\u00e1 kapil\u00e1rn\u00ed propojenost, trhliny vznikl\u00e9 p\u0159i vysych\u00e1n\u00ed nebo selh\u00e1n\u00ed mezif\u00e1zov\u00e9ho spojen\u00ed uvnit\u0159\u00a0<\/span><a href=\"https:\/\/tenessy.com\/applications\/drymix-mortar\/\"><strong><span class=\"\">malta m\u00edchan\u00e1 za sucha<\/span><\/strong><\/a><span class=\"\">\u00a0samotn\u00e9. B\u011b\u017en\u00e1 protiopat\u0159en\u00ed spo\u010d\u00edvaj\u00ed v nan\u00e1\u0161en\u00ed vodot\u011bsn\u00fdch n\u00e1t\u011br\u016f nebo ve zv\u00fd\u0161en\u00ed obsahu cementu. Prvn\u00ed z t\u011bchto \u0159e\u0161en\u00ed v\u0161ak s sebou nese dal\u0161\u00ed kroky ve v\u00fdrobn\u00edm procesu a vy\u0161\u0161\u00ed n\u00e1klady, zat\u00edmco druh\u00e9 zvy\u0161uje riziko smr\u0161\u0165ov\u00e1n\u00ed. Kl\u00ed\u010dov\u00e1 ot\u00e1zka zn\u00ed:\u00a0<\/span><strong><span class=\"\">M\u00e1 malta dostate\u010dn\u011b odolnou vlastn\u00ed vodot\u011bsnost a nepropustnost?<\/span><\/strong><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Hydrofobn\u00ed redispergovateln\u00fd polymern\u00ed pr\u00e1\u0161ek<\/span><\/strong><span class=\"\">\u00a0p\u0159esouv\u00e1 hydroizola\u010dn\u00ed funkci z \u201cpovrchov\u00e9 \u00fapravy\u201d na \u201cintegrovanou vlastnost materi\u00e1lu\u201d. Nejedn\u00e1 se o pouhou p\u0159\u00edsadu, ale o z\u00e1sadn\u00ed funk\u010dn\u00ed p\u0159etvo\u0159en\u00ed\u00a0<\/span><strong><span class=\"\">malta m\u00edchan\u00e1 za sucha<\/span><\/strong><span class=\"\">\u00a0na mikrostruktur\u00e1ln\u00ed \u00farovni. Na z\u00e1klad\u011b dlouholet\u00fdch praktick\u00fdch zku\u0161enost\u00ed s v\u00fdvojem receptur tento \u010dl\u00e1nek systematicky popisuje, jak hydrofobn\u00ed pr\u00e1\u0161ky vytv\u00e1\u0159ej\u00ed prim\u00e1rn\u00ed ochranu proti pronik\u00e1n\u00ed vody do\u00a0<\/span><strong><span class=\"\">zednick\u00e9, om\u00edtkov\u00e9, opravn\u00e9 a dekorativn\u00ed malty<\/span><\/strong><span class=\"\">, a to ji\u017e od samotn\u00e9ho slo\u017een\u00ed materi\u00e1lu.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbece77 elementor-widget elementor-widget-heading\" data-id=\"bbece77\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">I. Nov\u00fd pohled na hydrofobn\u00ed polymerov\u00e9 pr\u00e1\u0161ky<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-025f6db elementor-widget elementor-widget-image\" data-id=\"025f6db\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-1024x683.webp\" class=\"attachment-large size-large wp-image-14852\" alt=\"redispergovateln\u00fd-polymer-pr\u00e1\u0161ek-v\u00fdrobek\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-1024x683.webp 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-300x200.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-768x512.webp 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-1536x1024.webp 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-2048x1365.webp 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-740e220 elementor-widget elementor-widget-text-editor\" data-id=\"740e220\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\"><strong><a href=\"https:\/\/tenessy.com\/products\/redispersible-polymer-powder\/\">Redispergovateln\u00e9 polymern\u00ed pr\u00e1\u0161ky<\/a><\/strong> jsou \u0161iroce vyu\u017e\u00edv\u00e1ny v\u00a0<\/span><strong><span class=\"\">such\u00e9 malty<\/span><\/strong><span class=\"\">, av\u0161ak jejich funk\u010dn\u00ed role je \u010dasto \u00fazce vymezena jako \u201cl\u00e1tka zvy\u0161uj\u00edc\u00ed pojivost\u201d. Ve skute\u010dnosti se polymern\u00ed pr\u00e1\u0161ky podle polarity povrchu d\u011bl\u00ed na hydrofiln\u00ed a hydrofobn\u00ed typy. Konven\u010dn\u00ed pr\u00e1\u0161ky VAE d\u00edky obsahu ochrann\u00e9ho koloidu (polyvinylalkoholu) vytv\u00e1\u0159ej\u00ed filmy, kter\u00e9 jsou p\u0159i redisperzi citliv\u00e9 na vodu \u2013 p\u0159i del\u0161\u00edm vystaven\u00ed vod\u011b bobtnaj\u00ed a dokonce se znovu emulguj\u00ed, co\u017e vede k v\u00fdznamn\u00e9mu zhor\u0161en\u00ed vlastnost\u00ed.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Hydrofobn\u00ed polymerov\u00fd pr\u00e1\u0161ek<\/span><\/strong><span class=\"\">\u00a0jedn\u00e1 se o funkcionalizovan\u00fd polymern\u00ed pr\u00e1\u0161ek, kter\u00fd byl modifikov\u00e1n bu\u010f b\u011bhem polymerizace, nebo n\u00e1sledn\u00fdm zpracov\u00e1n\u00edm v r\u00e1mci procesu rozpra\u0161ovac\u00edho su\u0161en\u00ed, a kter\u00fd obsahuje silan, stear\u00e1t nebo hydrofobn\u00ed monomery obsahuj\u00edc\u00ed fluor. Mezi jeho charakteristick\u00e9 vlastnosti pat\u0159\u00ed:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Tvorba vrstvy s n\u00edzkou povrchovou energi\u00ed<\/span><\/strong><span class=\"\">: Po op\u011btovn\u00e9m rozpt\u00fdlen\u00ed ve vod\u011b a n\u00e1sledn\u00e9m odpa\u0159en\u00ed vody b\u011bhem vytvrzov\u00e1n\u00ed se \u010d\u00e1stice pr\u00e1\u0161ku spoj\u00ed do filmu s extr\u00e9mn\u011b n\u00edzkou sm\u00e1\u010divost\u00ed vodou, \u010d\u00edm\u017e se dos\u00e1hne kontaktn\u00edho \u00fahlu\u00a0<\/span><strong><span class=\"\">90\u00b0\u2013110\u00b0<\/span><\/strong><span class=\"\">;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Hydrofobizace st\u011bn kapil\u00e1rn\u00edch p\u00f3r\u016f<\/span><\/strong><span class=\"\">: \u010c\u00e1stice pr\u00e1\u0161ku se p\u0159ednostn\u011b hromad\u00ed na st\u011bn\u00e1ch kapil\u00e1rn\u00edch p\u00f3r\u016f cementov\u00e9 matrice a kolem povrch\u016f kameniva. Po vytvrzen\u00ed tvo\u0159\u00ed hydrofobn\u00ed povlak v nanom\u011b\u0159\u00edtku, kter\u00fd \u00fa\u010dinn\u011b br\u00e1n\u00ed kapil\u00e1rn\u00edmu vzestupu;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Reakce chemick\u00e9ho ukotven\u00ed<\/span><\/strong><span class=\"\">: Reaktivn\u00ed skupiny (nap\u0159. -Si(OR)\u2083) v pr\u00e1\u0161c\u00edch modifikovan\u00fdch silanem proch\u00e1zej\u00ed v alkalick\u00e9 cementov\u00e9 past\u011b hydrol\u00fdzou a polykondenzac\u00ed, p\u0159i\u010dem\u017e vytv\u00e1\u0159ej\u00ed kovalentn\u00ed vazby s C-S-H gelem. T\u00edm je zaji\u0161t\u011bno, \u017ee hydrofobn\u00ed \u00fa\u010dinek je trval\u00fd, a nejde pouze o fyzik\u00e1ln\u00ed \u201cnaolejov\u00e1n\u00ed povrchu\u201d.\u201d<\/span><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c8fd91 elementor-widget elementor-widget-heading\" data-id=\"0c8fd91\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">II.  Z\u00e1kladn\u00ed principy hydroizolace a nepropustnosti<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d3e02e elementor-widget elementor-widget-text-editor\" data-id=\"9d3e02e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Z fyzik\u00e1ln\u011b-chemick\u00e9ho hlediska je vytvrzen\u00fd\u00a0<\/span><strong><span class=\"\">malta m\u00edchan\u00e1 za sucha<\/span><\/strong><span class=\"\">\u00a0je por\u00e9zn\u00ed m\u00e9dium, jeho\u017e polom\u011bry p\u00f3r\u016f se p\u0159ev\u00e1\u017en\u011b pohybuj\u00ed v rozmez\u00ed\u00a0<\/span><strong><span class=\"\">0,01\u201310 \u03bcm<\/span><\/strong><span class=\"\">\u00a0rozsah. N\u00e1sleduje pronik\u00e1n\u00ed vody pod tlakem\u00a0<\/span><strong><span class=\"\">Darcyho z\u00e1kon<\/span><\/strong><span class=\"\">, kde je propustnost \u00fam\u011brn\u00e1 p\u00f3rovitosti a druh\u00e9 mocnin\u011b polom\u011bru p\u00f3r\u016f. Tradi\u010dn\u00ed metody zvy\u0161ov\u00e1n\u00ed nepropustnosti \u2013 sni\u017eov\u00e1n\u00ed pom\u011bru vody k cementu nebo p\u0159id\u00e1v\u00e1n\u00ed ultrajemn\u00fdch miner\u00e1ln\u00edch p\u0159\u00edsad \u2013 maj\u00ed v z\u00e1sad\u011b za c\u00edl \u201czmen\u0161it velikost p\u00f3r\u016f\u201d, nem\u011bn\u00ed v\u0161ak hydrofiln\u00ed povahu st\u011bn p\u00f3r\u016f.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Zaveden\u00ed hydrofobn\u00edho polymerov\u00e9ho pr\u00e1\u0161ku posouv\u00e1 strategii hydroizolace z \u201cfyzik\u00e1ln\u00edho zhutn\u011bn\u00ed\u201d na dvoj\u00ed mechanismus:\u00a0<\/span><strong><span class=\"\">\u201cfyzik\u00e1ln\u00ed zhutn\u011bn\u00ed + hydrofobnost na rozhran\u00ed\u201d<\/span><\/strong><span class=\"\">\u00a0.<\/span><\/p><ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Kapil\u00e1rn\u00ed kan\u00e1ly blokovan\u00e9 polymern\u00ed s\u00edt\u00ed<\/span><\/strong><span class=\"\">: Jak cement hydratuje, pr\u00e1\u0161ek postupn\u011b vytv\u00e1\u0159\u00ed film. Tato trojrozm\u011brn\u00e1 polymerov\u00e1 s\u00ed\u0165 jednak vypl\u0148uje n\u011bkter\u00e9 propojen\u00e9 p\u00f3ry a jednak d\u00edky sv\u00e9 p\u0159irozen\u00e9 pru\u017enosti tlum\u00ed nap\u011bt\u00ed vznikaj\u00edc\u00ed p\u0159i smr\u0161\u0165ov\u00e1n\u00ed p\u0159i vysych\u00e1n\u00ed, \u010d\u00edm\u017e omezuje vznik mikrotrhlin.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">P\u0159em\u011bna povrchov\u00e9 energie st\u011bn p\u00f3r\u016f<\/span><\/strong><span class=\"\">: Hydrofobn\u00ed skupiny se na povrchu p\u00f3r\u016f uspo\u0159\u00e1d\u00e1vaj\u00ed do ur\u010dit\u00e9ho sm\u011bru, \u010d\u00edm\u017e v\u00fdrazn\u011b sni\u017euj\u00ed mezif\u00e1zov\u00e9 nap\u011bt\u00ed mezi pevnou l\u00e1tkou a kapalinou. P\u0159i p\u016fsoben\u00ed vodn\u00edho tlaku se molekuly vody jen obt\u00ed\u017en\u011b \u0161\u00ed\u0159\u00ed po hydrofobn\u00edch st\u011bn\u00e1ch p\u00f3r\u016f. Kapil\u00e1rn\u00ed tlak se m\u011bn\u00ed z \u201cp\u0159itahuj\u00edc\u00ed\u201d s\u00edly na \u201codpudivou\u201d, \u010d\u00edm\u017e se v\u00fdrazn\u011b zvy\u0161uje tlak nepropustnosti.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Pos\u00edlen\u00ed mezif\u00e1zov\u00e9 p\u0159echodov\u00e9 z\u00f3ny (ITZ)<\/span><\/strong><span class=\"\">: Rozhran\u00ed mezi agreg\u00e1tem a pastou p\u0159edstavuje slab\u00e9 m\u00edsto z hlediska \u00faniku. V t\u00e9to oblasti se hromad\u00ed hydrofobn\u00ed pr\u00e1\u0161ek ve form\u011b vrstvy bohat\u00e9 na polymery, co\u017e jednak sni\u017euje lok\u00e1ln\u00ed pom\u011br vody k cementu, jednak blokuje propojenost mikrop\u00f3r\u016f na rozhran\u00ed \u2013 co\u017e je efekt, kter\u00e9ho nelze dos\u00e1hnout pomoc\u00ed tradi\u010dn\u00edch miner\u00e1ln\u00edch plniv.<\/span><\/p><\/li><\/ol><p class=\"ds-markdown-paragraph\"><span class=\"\">Praktick\u00fd dopad tohoto mechanismu je zna\u010dn\u00fd:\u00a0<\/span><strong><span class=\"\">i kdyby v malt\u011b vznikly jemn\u00e9 trhliny (\u2264 0,2 mm), voda bez tlaku nebo pod n\u00edzk\u00fdm tlakem se jimi jen t\u011b\u017eko prosakuje<\/span><\/strong><span class=\"\">, \u010d\u00edm\u017e se zaji\u0161\u0165uje \u201ctoleran\u010dn\u00ed rozp\u011bt\u00ed\u201d pro samohydroizola\u010dn\u00ed schopnost konstrukce.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9b2cd0b e-flex e-con-boxed e-con e-parent\" data-id=\"9b2cd0b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-47b4288 elementor-widget elementor-widget-heading\" data-id=\"47b4288\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">III. Z\u00e1klady praktick\u00e9ho navrhov\u00e1n\u00ed receptur a \u0159\u00edzen\u00ed proces\u016f<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4a0041 elementor-widget elementor-widget-text-editor\" data-id=\"a4a0041\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Za\u010dlen\u011bn\u00ed hydrofobn\u00edho polymerov\u00e9ho pr\u00e1\u0161ku do\u00a0<\/span><strong><span class=\"\">malta m\u00edchan\u00e1 za sucha<\/span><\/strong><span class=\"\">\u00a0V\u00fdroba nen\u00ed pouhou p\u0159\u00edmou n\u00e1hradou konven\u010dn\u00edho pr\u00e1\u0161ku. N\u00ed\u017ee jsou uvedeny kl\u00ed\u010dov\u00e9 z\u00e1sady odvozen\u00e9 z dlouholet\u00fdch zku\u0161enost\u00ed s v\u00fdrobou v pr\u016fmyslov\u00e9m m\u011b\u0159\u00edtku:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-485f656 elementor-widget elementor-widget-heading\" data-id=\"485f656\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Optimalizace d\u00e1vkov\u00e1n\u00ed: Nalezen\u00ed rovnov\u00e1hy mezi \"hydroizolac\u00ed a pevnost\u00ed\"<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6890e8 elementor-widget elementor-widget-text-editor\" data-id=\"d6890e8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">U syst\u00e9m\u016f na b\u00e1zi cementu je doporu\u010den\u00e9 d\u00e1vkov\u00e1n\u00ed hydrofobn\u00edho pr\u00e1\u0161ku\u00a0<\/span><strong><span class=\"\">1,51 TP3T\u20134,51 TP3T z celkov\u00e9ho mno\u017estv\u00ed cementov\u00e9ho materi\u00e1lu<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Vodot\u011bsn\u00e1 om\u00edtkov\u00e1 sm\u011bs (t\u0159\u00edda P6\u2013P8)<\/span><\/strong><span class=\"\">: Doporu\u010duje se hodnota 2,0%\u20133,0%. Na t\u00e9to \u00farovni lze 28denn\u00ed nas\u00e1kavost sn\u00ed\u017eit na 6%\u20138%, p\u0159i\u010dem\u017e ztr\u00e1ta pevnosti v tlaku je omezena na hodnotu do 8%;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Jednoslo\u017ekov\u00e1 hydroizola\u010dn\u00ed malta (t\u0159\u00edda P10 a vy\u0161\u0161\u00ed)<\/span><\/strong><span class=\"\">: Doporu\u010duje se pom\u011br 3,5%\u20134,5%. V kombinaci s vhodn\u00fdm superplastifik\u00e1torem m\u016f\u017ee tlak nepropustnosti po 28 dnech p\u0159ekro\u010dit hodnotu 1,2 MPa;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Dekorativn\u00ed malty a sp\u00e1rovac\u00ed hmoty<\/span><\/strong><span class=\"\">: Doporu\u010duje se pou\u017eit\u00ed produktu 2.0%\u20132.5%, a to p\u0159edev\u0161\u00edm s ohledem na jeho vlastnosti zabra\u0148uj\u00edc\u00ed tvorb\u011b v\u00fdkv\u011bt\u016f a zne\u010di\u0161t\u011bn\u00ed.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><span class=\"\">Je velmi d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee nadm\u011brn\u00fd pod\u00edl hydrofobn\u00edho pr\u00e1\u0161ku (&gt;5%) m\u016f\u017ee zv\u00fd\u0161it vn\u00e1\u0161en\u00ed vzduchu, \u010d\u00edm\u017e se sn\u00ed\u017e\u00ed hustota a negativn\u011b ovlivn\u00ed nepropustnost.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76e20f5 elementor-widget elementor-widget-heading\" data-id=\"76e20f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Kompatibilita p\u0159\u00edsad: Kl\u00ed\u010dem je synergie<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31c40b7 elementor-widget elementor-widget-text-editor\" data-id=\"31c40b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">P\u0159\u00edsady pro hydroizolaci malt<\/span><\/strong><span class=\"\">\u00a0nikdy nefunguj\u00ed samostatn\u011b. Hydrofobn\u00ed pr\u00e1\u0161ek mus\u00ed b\u00fdt p\u0159esn\u011b slad\u011bn s n\u00e1sleduj\u00edc\u00edmi slo\u017ekami:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><a href=\"https:\/\/tenessy.com\/products\/cellulose-ether\/\"><strong><span class=\"\">Celul\u00f3zov\u00fd \u00e9ter<\/span><\/strong><\/a><span class=\"\">: Zaji\u0161\u0165uje zadr\u017eov\u00e1n\u00ed vody a zahu\u0161\u0165ov\u00e1n\u00ed, \u010d\u00edm\u017e zaru\u010duje d\u016fkladn\u00e9 rozpt\u00fdlen\u00ed a hydrataci pr\u00e1\u0161ku. Ethery methylcelul\u00f3zy v\u0161ak sni\u017euj\u00ed povrchov\u00e9 nap\u011bt\u00ed syst\u00e9mu, co\u017e m\u016f\u017ee oslabit hydrofobn\u00ed \u00fa\u010dinek. Proto,\u00a0<\/span><a href=\"https:\/\/tenessy.com\/products\/hec-hydroxyethyl-cellulose\/\"><strong><span class=\"\">hydroxyethylcelul\u00f3za (HEC)<\/span><\/strong><\/a><span class=\"\">\u00a0nebo upraven\u00e9\u00a0<\/span><a href=\"https:\/\/tenessy.com\/products\/hpmc-hydroxypropyl-methyl-cellulose\/\"><strong><span class=\"\">hydroxypropylmethylcelul\u00f3za (HPMC)<\/span><\/strong><\/a><span class=\"\">\u00a0je up\u0159ednost\u0148ov\u00e1no p\u0159i kontrolovan\u00e9m d\u00e1vkov\u00e1n\u00ed (\u22640,3%);<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Superplastifik\u00e1tor<\/span><\/strong><span class=\"\">: <a href=\"https:\/\/tenessy.com\/products\/polycarboxylate-superplasticizer\/\">Superplastifik\u00e1tory na b\u00e1zi polykarboxyl\u00e1t\u016f<\/a> sni\u017euj\u00ed spot\u0159ebu vody a zvy\u0161uj\u00ed hustotu, \u010d\u00edm\u017e vykazuj\u00ed pozitivn\u00ed synergick\u00fd \u00fa\u010dinek s hydrofobn\u00edm pr\u00e1\u0161kem. Je v\u0161ak nezbytn\u00e9 prov\u00e9st testy kompatibility s t\u00edmto pr\u00e1\u0161kem;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><a href=\"https:\/\/tenessy.com\/products\/powder-defoamer\/\"><strong><span class=\"\">Odp\u011b\u0148ova\u010d<\/span><\/strong><\/a><span class=\"\">: Nezbytn\u00e9. Vzduchov\u00e9 bubliny, kter\u00e9 se p\u0159i m\u00edch\u00e1n\u00ed dostanou do sm\u011bsi z pr\u00e1\u0161ku a superplastifik\u00e1toru, se mohou st\u00e1t \u201czkratov\u00fdmi\u201d cestami pro vodu. Doporu\u010duje se pou\u017e\u00edt pr\u00e1\u0161kov\u00fd odp\u011b\u0148ova\u010d v mno\u017estv\u00ed 0,1%\u20130,3%;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Adsorp\u010dn\u00ed \u010dinidlo<\/span><\/strong><span class=\"\">:\u00a0<\/span><strong><span class=\"\">Pou\u017e\u00edvejte s opatrnost\u00ed nebo se tomu \u00fapln\u011b vyhn\u011bte<\/span><\/strong><span class=\"\">. \u0160kodliv\u00e9 velk\u00e9 p\u00f3ry, kter\u00e9 se do p\u0159\u00edpravku dostanou, budou p\u016fsobit proti \u00fa\u010dink\u016fm hydrofobn\u00edho pr\u00e1\u0161ku, kter\u00fd m\u00e1 za \u00fakol p\u00f3ry ucp\u00e1vat.<\/span><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d6bfd3 elementor-widget elementor-widget-heading\" data-id=\"8d6bfd3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. P\u0159izp\u016fsobivost v\u00fdroby a v\u00fdstavby<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3db5f89 elementor-widget elementor-widget-text-editor\" data-id=\"3db5f89\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Rovnom\u011brnost m\u00edch\u00e1n\u00ed<\/span><\/strong><span class=\"\">: Vzhledem k n\u00edzk\u00e9 d\u00e1vce, a\u00a0<\/span><strong><span class=\"\">p\u0159edb\u011b\u017en\u00e9 m\u00edch\u00e1n\u00ed<\/span><\/strong><span class=\"\">\u00a0Tento postup je povinn\u00fd. Pr\u00e1\u0161ek je t\u0159eba suchou cestou m\u00edchat s cementem a p\u00edskem po dobu nejm\u00e9n\u011b 120 sekund, aby se zajistilo mikroskopicky rovnom\u011brn\u00e9 rozlo\u017een\u00ed a zabr\u00e1nilo se m\u00edstn\u00edmu shlukov\u00e1n\u00ed nebo nedostatku;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Citlivost na popt\u00e1vku po vod\u011b<\/span><\/strong><span class=\"\">: Hydrofobn\u00ed syst\u00e9m je velmi citliv\u00fd na obsah vody. Zv\u00fd\u0161en\u00ed mno\u017estv\u00ed p\u0159im\u00edch\u00e1van\u00e9 vody o 5% m\u016f\u017ee sn\u00ed\u017eit stupe\u0148 nepropustnosti o 1\u20132 \u00farovn\u011b. P\u0159\u00edsn\u00e9\u00a0<\/span><strong><span class=\"\">\u0159\u00edzen\u00ed pom\u011bru vody k cementu<\/span><\/strong><span class=\"\">\u00a0mus\u00ed b\u00fdt dodr\u017eov\u00e1no p\u0159\u00edmo na m\u00edst\u011b, v ide\u00e1ln\u00edm p\u0159\u00edpad\u011b s vyu\u017eit\u00edm automatick\u00fdch m\u011b\u0159ic\u00edch za\u0159\u00edzen\u00ed pro spot\u0159ebu vody;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Podm\u00ednky vytvrzov\u00e1n\u00ed<\/span><\/strong><span class=\"\">: V po\u010d\u00e1te\u010dn\u00ed f\u00e1zi je st\u00e1le nezbytn\u00e9 zajistit vlhkost. Hydratace cementu vy\u017eaduje dostate\u010dn\u00e9 mno\u017estv\u00ed vody; udr\u017een\u00ed vlhk\u00e9ho prost\u0159ed\u00ed b\u011bhem prvn\u00edch 3 dn\u016f umo\u017e\u0148uje hydrofobn\u00edmu filmu pln\u011b rozvinout sv\u016fj vodoodpudiv\u00fd \u00fa\u010dinek. P\u0159ed\u010dasn\u00e1 ztr\u00e1ta vody povede k nedostate\u010dn\u00e9 tvorb\u011b filmu a nedostate\u010dn\u00e9 hydrataci cementu.<\/span><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20894c7 elementor-widget elementor-widget-heading\" data-id=\"20894c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IV. Typick\u00e9 aplikace a specifick\u00e9 po\u017eadavky na v\u00fdkon<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c80091a elementor-widget elementor-widget-text-editor\" data-id=\"c80091a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">R\u016fzn\u00e9\u00a0<\/span><strong><span class=\"\">malta m\u00edchan\u00e1 za sucha<\/span><\/strong><span class=\"\">\u00a0Tyto typy maj\u00ed odli\u0161n\u00e9 po\u017eadavky na vlastnosti z hlediska hydrofobicity, co\u017e vy\u017eaduje individu\u00e1ln\u00ed p\u0159\u00edstup k slo\u017een\u00ed:<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u2460 Venkovn\u00ed vodot\u011bsn\u00e1 om\u00edtkov\u00e1 sm\u011bs<\/span><\/strong><br \/><span class=\"\">Kl\u00ed\u010dov\u00e9 po\u017eadavky: n\u00edzk\u00e1 nas\u00e1kavost + vysok\u00e1 p\u0159ilnavost + odolnost proti mrazu a t\u00e1n\u00ed. V takov\u00fdch receptur\u00e1ch by m\u011bl b\u00fdt hydrofobn\u00ed pr\u00e1\u0161ek kombinov\u00e1n s vhodn\u00fdmi vl\u00e1kny (polypropylen nebo lignocelul\u00f3za) za \u00fa\u010delem zv\u00fd\u0161en\u00ed odolnosti proti prask\u00e1n\u00ed. V\u00fdsledky zkou\u0161ek ukazuj\u00ed, \u017ee po 25 cyklech zmrazov\u00e1n\u00ed a rozmrazov\u00e1n\u00ed je \u00fabytek pevnosti v tlaku u hydrofobn\u011b modifikovan\u00fdch sm\u011bs\u00ed ve srovn\u00e1n\u00ed s kontroln\u00ed vzorkem sn\u00ed\u017een p\u0159ibli\u017en\u011b o 60%.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u2461 <a href=\"https:\/\/tenessy.com\/applications\/tile-adhesive\/\">Lepidla na dla\u017edice<\/a> a sp\u00e1rovac\u00ed hmoty (pokl\u00e1dka za mokra)<\/span><\/strong><br \/><span class=\"\">Kl\u00ed\u010dov\u00e9 po\u017eadavky: prevence v\u00fdkv\u011bt\u016f + vod\u011bodolnost. K v\u00fdkv\u011bt\u016fm doch\u00e1z\u00ed, kdy\u017e se rozpustn\u00e9 soli spolu s vodou dost\u00e1vaj\u00ed na povrch a krystalizuj\u00ed. Hydrofobn\u00ed pr\u00e1\u0161ek blokuje nep\u0159etr\u017eit\u00e9 cesty vody, \u010d\u00edm\u017e v\u00fdrazn\u011b sni\u017euje riziko vzniku v\u00fdkv\u011bt\u016f. U b\u00edl\u00fdch sp\u00e1rovac\u00edch hmot zaji\u0161\u0165uje hydrofobn\u00ed \u00faprava nas\u00e1kavost \u22643% a v\u00fdrazn\u011b zlep\u0161uje odolnost proti skvrn\u00e1m.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u2462 Opravn\u00e9 malty (tenkovrstv\u00e9 a konstruk\u010dn\u00ed)<\/span><\/strong><br \/><span class=\"\">Kl\u00ed\u010dov\u00e9 po\u017eadavky: sou\u010dinnost mezif\u00e1zov\u00e9 p\u0159ilnavosti a nepropustnosti. Rozhran\u00ed mezi opravnou vrstvou a star\u00fdm betonov\u00fdm podkladem p\u0159edstavuje nejslab\u0161\u00ed m\u00edsto. Polymern\u00ed film, kter\u00fd se na tomto rozhran\u00ed vytvo\u0159\u00ed d\u00edky hydrofobn\u00edmu pr\u00e1\u0161ku, sou\u010dasn\u011b br\u00e1n\u00ed pronik\u00e1n\u00ed vody a tlum\u00ed smr\u0161\u0165ovac\u00ed nap\u011bt\u00ed, \u010d\u00edm\u017e zabra\u0148uje odlupov\u00e1n\u00ed a odtr\u017een\u00ed.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u2463 Vodot\u011bsn\u00e9 tmely a dekorativn\u00ed malty<\/span><\/strong><br \/><span class=\"\">Kl\u00ed\u010dov\u00e9 po\u017eadavky: hydrofobnost povrchu + propustnost pro vodn\u00ed p\u00e1ru. Vn\u011bj\u0161\u00ed dekorativn\u00ed vrstvy mus\u00ed b\u00fdt \u201cz vn\u011bj\u0161\u00ed strany vodot\u011bsn\u00e9, ale z vnit\u0159n\u00ed strany prody\u0161n\u00e9\u201d. Dekorativn\u00ed malty modifikovan\u00e9 hydrofobn\u00edm pr\u00e1\u0161kem mohou zajistit koeficient propustnosti pro vodn\u00ed p\u00e1ru ve v\u00fd\u0161i\u00a0<\/span><strong><span class=\"\">\u22652,5\u00d710\u207b\u2076 g\/(m\u00b7s\u00b7Pa)<\/span><\/strong><span class=\"\">, co\u017e umo\u017e\u0148uje \u00fa\u010dinn\u00fd odvod vnit\u0159n\u00ed vlhkosti a zabra\u0148uje tvorb\u011b puch\u00fd\u0159k\u016f \u010di odlupov\u00e1n\u00ed povrchov\u00e9 vrstvy.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27e8afe elementor-widget elementor-widget-heading\" data-id=\"27e8afe\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V. Syst\u00e9my ov\u011b\u0159ov\u00e1n\u00ed v\u00fdkonu a kontroly kvality<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33c8404 elementor-widget elementor-widget-text-editor\" data-id=\"33c8404\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">V\u00fdznam praktick\u00e9ho vyu\u017eit\u00ed mus\u00ed b\u00fdt podlo\u017een empirick\u00fdmi \u00fadaji. P\u0159i rutinn\u00edch inspekc\u00edch ve v\u00fdrobn\u00edch z\u00e1vodech a kontrol\u00e1ch kvality p\u0159\u00edmo na m\u00edst\u011b u\u00a0<\/span><strong><span class=\"\">malta m\u00edchan\u00e1 za sucha<\/span><\/strong><span class=\"\">, je t\u0159eba up\u0159ednostnit n\u00e1sleduj\u00edc\u00ed ukazatele:<\/span><\/p><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"><table><thead><tr><th><span class=\"\">Testovac\u00ed polo\u017eka<\/span><\/th><th><span class=\"\">Zku\u0161ebn\u00ed norma<\/span><\/th><th><span class=\"\">Hydrofobn\u011b modifikovan\u00e1 pass line (referen\u010dn\u00ed)<\/span><\/th><\/tr><\/thead><tbody><tr><td><span class=\"\">24hodinov\u00e1 absorpce vody<\/span><\/td><td><span class=\"\">JC\/T 984<\/span><\/td><td><span class=\"\">\u22645% (vodot\u011bsn\u00e1 varianta) \/ \u22648% (varianta pro om\u00edt\u00e1n\u00ed)<\/span><\/td><\/tr><tr><td><span class=\"\">Tlak p\u0159i zkou\u0161ce nepropustnosti (28 dn\u00ed)<\/span><\/td><td><span class=\"\">GB\/T 18445<\/span><\/td><td><span class=\"\">\u22650,8 MPa (t\u0159\u00edda P8)<\/span><\/td><\/tr><tr><td><span class=\"\">Pevnost v tahu (p\u016fvodn\u00ed)<\/span><\/td><td><span class=\"\">JC\/T 547<\/span><\/td><td><span class=\"\">\u22650,7 MPa<\/span><\/td><\/tr><tr><td><span class=\"\">Koeficient zm\u011bk\u010den\u00ed<\/span><\/td><td><span class=\"\">GB\/T 4111<\/span><\/td><td><span class=\"\">\u22650,85<\/span><\/td><\/tr><\/tbody><\/table><\/div><p class=\"ds-markdown-paragraph\"><span class=\"\">Krom\u011b toho,\u00a0<\/span><strong><span class=\"\">m\u011b\u0159en\u00ed kontaktn\u00edho \u00fahlu<\/span><\/strong><span class=\"\">\u00a0a\u00a0<\/span><strong><span class=\"\">rychlost absorpce vody kapil\u00e1rn\u00edm p\u016fsoben\u00edm<\/span><\/strong><span class=\"\">\u00a0jsou dva citliv\u00e9 ukazatele na mikro\u00farovni, kter\u00e9 odr\u00e1\u017eej\u00ed hydrofobn\u00ed \u00fa\u010dinnost a stabilitu. Doporu\u010duje se je zahrnout do rutinn\u00edch protokol\u016f kontroly kvality.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Jednoduch\u00e9 kvalitativn\u00ed posouzen\u00ed p\u0159\u00edmo na m\u00edst\u011b: Naneste kapku vody na povrch ztvrdl\u00e9ho malty. Pokud kapka vytvo\u0159\u00ed polokulovitou kuli\u010dku a sklouzne, ani\u017e by povrch sm\u00e1\u010dela, je hydrofobn\u00ed \u00faprava \u00fa\u010dinn\u00e1. Naopak, pokud se kapka rozte\u010de a rychle vs\u00e1kne, nazna\u010duje to potenci\u00e1ln\u00ed probl\u00e9my s d\u00e1vkov\u00e1n\u00edm pr\u00e1\u0161ku, rovnom\u011brnost\u00ed disperze nebo kontrolou obsahu vody.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8fadd9 elementor-widget elementor-widget-heading\" data-id=\"d8fadd9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Z\u00e1v\u011br<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6cac3e9 elementor-widget elementor-widget-text-editor\" data-id=\"6cac3e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Zv\u00fd\u0161en\u00ed vodot\u011bsnosti a nepropustnosti\u00a0<\/span><strong><span class=\"\">malta m\u00edchan\u00e1 za sucha<\/span><\/strong><span class=\"\">\u00a0nem\u011bli bychom se spol\u00e9hat na dodate\u010dn\u011b nan\u00e1\u0161en\u00e9 membr\u00e1nov\u00e9 povlaky jako na \u201cz\u00e1chrannou s\u00ed\u0165\u201d, ale sp\u00ed\u0161e na zabudov\u00e1n\u00ed funk\u010dn\u00edch vlastnost\u00ed ji\u017e ve f\u00e1zi n\u00e1vrhu slo\u017een\u00ed. Hydrofobn\u00ed redispergovateln\u00fd polymern\u00ed pr\u00e1\u0161ek d\u00edky synergick\u00e9mu p\u016fsoben\u00ed\u00a0<\/span><strong><span class=\"\">tvorba fyzik\u00e1ln\u00edho filmu, chemick\u00e9 ukotven\u00ed a modifikace rozhran\u00ed<\/span><\/strong><span class=\"\">, dod\u00e1v\u00e1 malt\u011b dlouhodobou a spolehlivou schopnost samohydroizolace, ani\u017e by to omezovalo pohodl\u00ed p\u0159i stavb\u011b. P\u0159edstavuje nejen technickou mo\u017enost pro zv\u00fd\u0161en\u00ed v\u00fdkonu, ale tak\u00e9 z\u00e1sadn\u00ed posun ve filozofii produktu \u2013 od \u201cpasivn\u00ed opravy\u201d k \u201caktivn\u00ed nepropustnosti\u201d.\u201d<\/span><\/p><p class=\"ds-markdown-paragraph\"><a href=\"https:\/\/tenessy.com\/hpmc-supplier\/\"><strong><span class=\"\">TENESSY<\/span><\/strong><\/a><span class=\"\">\u00a0se zasazuje o rozvoj\u00a0<\/span><strong><span class=\"\">p\u0159\u00edsady pro hydroizolaci malty<\/span><\/strong><span class=\"\">. Nab\u00edz\u00edme nejen vysoce v\u00fdkonn\u00e9 hydrofobn\u00ed polymern\u00ed pr\u00e1\u0161ky, ale tak\u00e9 komplexn\u00ed \u0159e\u0161en\u00ed zahrnuj\u00edc\u00ed n\u00e1vrh receptur, p\u0159izp\u016fsoben\u00ed v\u00fdrobn\u00edch proces\u016f a kontrolu kvality v\u00fdroby. Rozhodnut\u00ed prov\u00e9st zm\u011bnu p\u0159\u00edmo u zdroje je jedin\u00fdm zp\u016fsobem, jak zajistit, \u017ee ka\u017ed\u00e1 \u0161ar\u017ee\u00a0<\/span><strong><span class=\"\">malta m\u00edchan\u00e1 za sucha<\/span><\/strong><span class=\"\">\u00a0odol\u00e1v\u00e1 dvoj\u00ed zkou\u0161ce \u2013 vod\u011b i \u010dasu.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>V mnoha p\u0159\u00edpadech oprav nen\u00ed p\u0159\u00ed\u010dinou pronik\u00e1n\u00ed vody \u010dasto trhliny v konstrukci, ale sp\u00ed\u0161e p\u0159irozen\u00e1 kapil\u00e1rn\u00ed propojenost, trhliny vznikl\u00e9 v d\u016fsledku smr\u0161\u0165ov\u00e1n\u00ed p\u0159i vysych\u00e1n\u00ed nebo selh\u00e1n\u00ed mezif\u00e1zov\u00e9ho spojen\u00ed v samotn\u00e9 such\u00e9 malt\u011b.<\/p>","protected":false},"author":1,"featured_media":14853,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-14833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"_links":{"self":[{"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/posts\/14833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/comments?post=14833"}],"version-history":[{"count":33,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/posts\/14833\/revisions"}],"predecessor-version":[{"id":14872,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/posts\/14833\/revisions\/14872"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/media\/14853"}],"wp:attachment":[{"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/media?parent=14833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/categories?post=14833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/tags?post=14833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}