{"id":11554,"date":"2025-05-13T01:53:47","date_gmt":"2025-05-13T01:53:47","guid":{"rendered":"https:\/\/tenessy.com\/?p=11554"},"modified":"2025-05-13T01:53:55","modified_gmt":"2025-05-13T01:53:55","slug":"how-to-improve-mortar-adhesive-strength","status":"publish","type":"post","link":"https:\/\/tenessy.com\/fi\/miten-parantaa-laastin-liimauslujuutta\/","title":{"rendered":"Miten parantaa laastin liimauslujuutta\uff1f"},"content":{"rendered":"
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"laastiliima\"\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
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\n\t\t\t\t\t\t\t\t\tRakentamisessa laastin liimauslujuus on ratkaisevassa asemassa m\u00e4\u00e4ritett\u00e4ess\u00e4, kuinka hyvin rakennusmateriaalit pysyv\u00e4t yhdess\u00e4. Asensitpa sitten keraamisia laattoja, kiviverhousta, AAC-harkkoja tai\u00a0ulkoiset eristysj\u00e4rjestelm\u00e4t<\/a>, vahva tartunta takaa rakenteen pitk\u00e4aikaisen kest\u00e4vyyden ja turvallisuuden. Heikko liimaus voi johtaa laattojen irtoamiseen, halkeiluun, vesivuotoihin ja kalliisiin korjauksiin.\n\nT\u00e4ss\u00e4 oppaassa tarkastelemme k\u00e4yt\u00e4nn\u00f6n menetelmi\u00e4 laastin tartuntalujuuden parantamiseksi, mukaan lukien tehokkaiden lis\u00e4aineiden, kuten polymeerisideaineiden, k\u00e4ytt\u00f6,\u00a0selluloosaeetterit<\/a>ja sideaineet - kaikki ne ovat kriittisi\u00e4 nykyaikaisissa rakennusj\u00e4rjestelmiss\u00e4.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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I.Miksi laastin liimauslujuudella on merkityst\u00e4?<\/h2>\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
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Laastiliima, josta k\u00e4ytet\u00e4\u00e4n usein nimityst\u00e4 laattaliima tai ohutlaasti, luo vahvan sidoksen alustojen ja viimeistelymateriaalien v\u00e4lille.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Sen suorituskyky vaikuttaa:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Laattojen kiinnittyminen seiniin ja lattioihin<\/p>

EIFS-j\u00e4rjestelmien (External Insulation Finishing Systems) tuulenkest\u00e4vyys.<\/p>

Kest\u00e4vyys korkean kosteuden tai j\u00e4\u00e4tymisen ja sulamisen aiheuttamissa ymp\u00e4rist\u00f6iss\u00e4.<\/p>

Leikkaus- ja vetolujuus rasituksessa tai v\u00e4r\u00e4htelyss\u00e4<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Laastin heikko sidoslujuus voi johtaa:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Onttoilta kuulostavat laatat<\/p>

Irronneet kivet tai paneelit<\/p>

Rakenteellinen ep\u00e4vakaus ajan my\u00f6t\u00e4<\/p>

Veden tunkeutuminen ja homeen kasvu<\/p>

Siksi rakentajat ovat nyky\u00e4\u00e4n siirtym\u00e4ss\u00e4 pois perinteisist\u00e4 sementtihiekkalaasteista ja siirtym\u00e4ss\u00e4 polymeerimodifioituihin laastiliimoihin, joissa on toiminnallisia kemiallisia lis\u00e4aineita.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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II.Yleiset syyt laastin heikkoon kiinnittyvyyteen<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Parantaaksemme liimautumista meid\u00e4n on ensin v\u00e4ltett\u00e4v\u00e4 n\u00e4m\u00e4 keskeiset ongelmat:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1. Riitt\u00e4m\u00e4t\u00f6n pintak\u00e4sittely<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Alustan p\u00f6ly-, \u00f6ljy- tai kosteusesteet voivat est\u00e4\u00e4 tartunnan.<\/p>

Sile\u00e4t tai maalatut pinnat eiv\u00e4t anna mekaanista pitoa.<\/p>

Kuivat, imukykyiset pinnat voivat ime\u00e4 vett\u00e4 laastista liian nopeasti, mik\u00e4 johtaa virheelliseen kovettumiseen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2. V\u00e4\u00e4r\u00e4 vesipitoisuus<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Laastin ylikastelu v\u00e4hent\u00e4\u00e4 koheesiota ja mekaanista lujuutta.<\/p>

Liian v\u00e4h\u00e4inen kastelu est\u00e4\u00e4 sementin t\u00e4ydellisen hydrataation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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3. Huonolaatuiset materiaalit<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Heikkolaatuinen sementti tai hiekka vaikuttaa johdonmukaisuuteen.<\/p>

Toiminnallisten lis\u00e4aineiden puute rajoittaa liimauskyky\u00e4.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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4. Sopimaton sekoitus ja k\u00e4ytt\u00f6<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Sekoitusaika j\u00e4tet\u00e4\u00e4n v\u00e4liin tai laastin annetaan lev\u00e4t\u00e4 liian kauan ennen k\u00e4ytt\u00f6\u00e4, mik\u00e4 heikent\u00e4\u00e4 tartuntaominaisuuksia.<\/p>

Laastin levitt\u00e4minen sen aukioloajan j\u00e4lkeen voi aiheuttaa ep\u00e4onnistumisen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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III.Top Menetelm\u00e4t laastin liimauslujuuden parantamiseksi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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1. K\u00e4yt\u00e4 polymeerimodifioituja laasteja<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\tRedispergoituva polymeerijauhe (RDP)<\/a>\u00a0on tehokas ainesosa, jota k\u00e4ytet\u00e4\u00e4n\u00a0kuivasekoituslaasti<\/a>\u00a0liimat. Se koostuu vinyyliasetaatti-eteenikopolymeereist\u00e4 tai styreenibutadieenipohjaisista polymeereist\u00e4, jotka dispergoituvat uudelleen vedess\u00e4 muodostaen joustavia ja kest\u00e4vi\u00e4 kalvoja.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"RDP\"\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
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Polymeerien modifioinnin edut:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Parantaa joustavuutta alustan liikkeiden vaimentamiseksi<\/p>

Lis\u00e4\u00e4 m\u00e4rk\u00e4- ja kuivaliimautumista erilaisiin pintoihin.<\/p>

Tarjoaa notkeudenesto-ominaisuudet pystysuorissa sovelluksissa.<\/p>

Parantaa pakkasenkest\u00e4vyytt\u00e4 ulkok\u00e4yt\u00f6ss\u00e4.<\/p>

V\u00e4hent\u00e4\u00e4 veden imeytymist\u00e4 ja pident\u00e4\u00e4 k\u00e4ytt\u00f6ik\u00e4\u00e4.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Polymeerimodifioitu laasti on v\u00e4ltt\u00e4m\u00e4t\u00f6n:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\tKeraamiset laattaliimat<\/a>\n\nUlkoasu\u00a0sein\u00e4tasoitteet<\/a>\n\nSkim coat -laastit\n\nVedenpit\u00e4v\u00e4t laastit\n\nKorjauslaastit ja -laastit<\/a>\n\nEtsi yleisk\u00e4ytt\u00f6\u00f6n muotoiluja, joiden RDP-pitoisuus on 2-5%; vaativiin sovelluksiin tarvitaan korkeampia pitoisuuksia.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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2. Lis\u00e4t\u00e4\u00e4n selluloosaeetterit (HPMC\/HEMC).<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\tSelluloosaeetterit, kuten\u00a0Hydroksipropyylimetyyliselluloosa (HPMC)<\/a>\u00a0ja\u00a0Hydroksietyylimetyyliselluloosa (HEMC)<\/a>\u00a0ovat olennaisia nykyaikaisissa laastiliimoissa.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"HPMC_n\u00e4yte\"\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
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Keskeiset toiminnot:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Vedenpid\u00e4tyskyky: Pit\u00e4\u00e4 vett\u00e4 j\u00e4rjestelm\u00e4ss\u00e4, jotta se voi kosteutua kunnolla, erityisesti kuumilla tai imukykyisill\u00e4 alustoilla.<\/p>

Parempi ty\u00f6stett\u00e4vyys: Helpottaa laastin levitt\u00e4mist\u00e4 ja lis\u00e4\u00e4 pinnan peitt\u00e4vyytt\u00e4.<\/p>

Avoimen ajan pidennys: Antaa asentajille enemm\u00e4n aikaa laattojen s\u00e4\u00e4t\u00e4miseen.<\/p>

Anti-sag vaikutus: Est\u00e4\u00e4 laattojen liukumisen pystysuorissa sovelluksissa.<\/p>

Yhteenkuuluvuuden parantaminen: V\u00e4hent\u00e4\u00e4 erottumista ja verenvuotoa<\/p>

Valitse viskositeettiluokka k\u00e4ytt\u00f6kohteesi mukaan: 40 000-100 000 cps laattaliimoihin; jopa 200 000 cps skimcoattiin tai EIFS:\u00e4\u00e4n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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3. Liimausaineiden k\u00e4ytt\u00f6 vaikeille pinnoille<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Kaikki alustat eiv\u00e4t ole samanlaisia. Imeytym\u00e4tt\u00f6mill\u00e4, vanhoilla tai sileill\u00e4 pinnoilla (kuten lasitetuilla laatoilla, kiillotetulla betonilla tai maalatuilla seinill\u00e4) sideaineet ovat v\u00e4ltt\u00e4m\u00e4tt\u00f6mi\u00e4.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Sidosaineiden tyypit:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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SBR-lateksi: Lis\u00e4\u00e4 liimautumista, sitkeytt\u00e4 ja vedenkest\u00e4vyytt\u00e4.<\/p>

Akryyliemulsiot: Erinomainen vanhan betonin tai sementtilevyn liimaamiseen.<\/p>

Epoksipohjaiset aineet: Raskaisiin teollisiin sovelluksiin<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Soveltamismenetelm\u00e4t:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Pohjustuskerroksena ennen laastia<\/p>

Sekoitetaan suoraan laastiin lis\u00e4liimausvoimaa varten.<\/p>

Sideaineet ovat erityisen t\u00e4rkeit\u00e4 kunnostushankkeissa tai laatoitettaessa laattojen p\u00e4\u00e4lle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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4. Asianmukaiset pintak\u00e4sittelytekniikat<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Paraskaan liimalaasti ei tartu, jos se levitet\u00e4\u00e4n likaiselle tai v\u00e4\u00e4rin valmistellulle pinnalle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Parhaat k\u00e4yt\u00e4nn\u00f6t:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Puhdista p\u00f6ly, \u00f6ljy ja roskat<\/p>

Kostuta hyvin imukykyiset pinnat (esim. vanhat tiilet) ennen laastin levitt\u00e4mist\u00e4.<\/p>

Poista irtonaiset hiukkaset tai aiemmat pinnoitteet<\/p>

K\u00e4yt\u00e4 pohjamaalia tai liimausliuosta vaikeille alustoille.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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IV.Suositellut laastin lis\u00e4aineet ja niiden teht\u00e4v\u00e4t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Lis\u00e4aine<\/td>\nToiminto<\/td>\nTyypillinen annostus<\/td>\nK\u00e4ytetty<\/td>\n<\/tr>\n
RDP-jauhe<\/td>\nJoustavuus, liimaus, halkeilunkest\u00e4vyys<\/td>\n2-5%<\/td>\nLaattaliima, EIFS, rappauslaasti<\/td>\n<\/tr>\n
HPMC\/HEMC<\/td>\nVedenpid\u00e4tyskyky, avoin aika, ty\u00f6stett\u00e4vyys<\/td>\n0,2-0,5%<\/td>\nKaikki kuivasekoituslaastit<\/td>\n<\/tr>\n
SBR-lateksi<\/td>\nPintaliimaus, joustavuus<\/td>\n5-10% (nesteen\u00e4)<\/td>\nLiimamaalit, korjauslaastit<\/td>\n<\/tr>\n
Jauhe Vaahdonpoistoaine\u00a0<\/a><\/td>\nEst\u00e4\u00e4 ilmakuplia<\/td>\n0,1-0,3%<\/td>\nLattiatasoitteet, ohuet laastit<\/td>\n<\/tr>\n
Liukastumisenestoaineet<\/td>\nV\u00e4hent\u00e4\u00e4 notko<\/td>\nMuuttuva<\/td>\nPystysuora laattaliima<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nOikeiden lis\u00e4aineiden yhdist\u00e4minen lis\u00e4\u00e4 merkitt\u00e4v\u00e4sti laastin liimauslujuutta, varsinkin kun se r\u00e4\u00e4t\u00e4l\u00f6id\u00e4\u00e4n ty\u00f6maan erityisvaatimusten mukaan.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"HEMC-MHEC-for-drymix-mortar\"\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
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V.Pro Vinkkej\u00e4 maksimaaliseen liimaustulokseen<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Sekoita kuiva laasti huolellisesti ennen veden lis\u00e4\u00e4mist\u00e4<\/p>

K\u00e4yt\u00e4 hidask\u00e4yntist\u00e4 sekoitinta tasaista sekoittumista varten.<\/p>

Anna seoksen lev\u00e4t\u00e4 5-10 minuuttia<\/b>, sitten uudelleen sekoittaminen (kypsytysaika)<\/p>

Levit\u00e4 laasti sen avoimen ajan kuluessa (yleens\u00e4 20-30 minuuttia<\/b>)<\/p>

K\u00e4yt\u00e4 hammastettuja lastoja paremman laattakosketuspinta-alan saamiseksi.<\/p>

Paina ja kierr\u00e4 laattoja hieman paikoilleen paremman sidoksen aikaansaamiseksi.<\/p>

V\u00e4lt\u00e4 laastin levitt\u00e4mist\u00e4 \u00e4\u00e4rimm\u00e4isess\u00e4 kuumuudessa, voimakkaassa tuulessa tai suorassa auringonvalossa ilman varotoimia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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VI.P\u00e4\u00e4telm\u00e4t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\tLaastin sidoslujuuden parantaminen ei ole monimutkaista - se vaatii vain oikean yhdistelm\u00e4n lis\u00e4aineita, esik\u00e4sittelyj\u00e4 ja prosesseja. K\u00e4ytt\u00e4m\u00e4ll\u00e4 polymeerimodifioituja laasteja, selluloosaeettereit\u00e4 ja liimoja voidaan merkitt\u00e4v\u00e4sti parantaa liitoksen suorituskyky\u00e4 ja est\u00e4\u00e4 laattojen tai laattojen vikaantuminen.\u00a0muuraussovellukset<\/a>.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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FAQ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n

1. Voinko k\u00e4ytt\u00e4\u00e4 tavallista sementtilaastia laattaliimana?<\/h2>\n <\/div>\n
\n Ei. Perinteisest\u00e4 sementtilaastista puuttuu joustavuus ja tartunta. Se voi toimia lattialaatoissa, mutta ei sein\u00e4laatoissa tai m\u00e4rk\u00e4tiloissa. <\/div>\n <\/div>\n
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2. Mist\u00e4 tied\u00e4n, onko laastissani riitt\u00e4v\u00e4 sidoslujuus?<\/h2>\n <\/div>\n
\n Voit testata sen irrotusmenetelm\u00e4ll\u00e4 tai tarkkailemalla, putoaako laatta t\u00e4rin\u00e4n tai veden vaikutuksesta. Muista noudattaa kansainv\u00e4lisi\u00e4 standardeja (kuten laattaliimoja koskevaa EN12004-standardia). <\/div>\n <\/div>\n
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3. Parantaako pelkk\u00e4 liiman m\u00e4\u00e4r\u00e4n lis\u00e4\u00e4minen tarttuvuutta?<\/h2>\n <\/div>\n
\n Liiman m\u00e4\u00e4r\u00e4n lis\u00e4\u00e4minen ei tarkoita parempaa tarttuvuutta. Ilman lis\u00e4aineita, kuten RDP:t\u00e4 ja HPMC:t\u00e4, tarttuvuus on edelleen heikko, erityisesti sileill\u00e4 tai imukykyisill\u00e4 pinnoilla. <\/div>\n <\/div>\n
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4. Voinko lis\u00e4t\u00e4 laastiin liimaa tartunnan parantamiseksi?<\/h2>\n <\/div>\n
\n Yleisk\u00e4ytt\u00f6isen liiman sijasta on parasta k\u00e4ytt\u00e4\u00e4 ammattik\u00e4ytt\u00f6\u00f6n tarkoitettua liimaa, kuten SBR-lateksia tai RDP-liimaa. <\/div>\n <\/div>\n
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5. Mit\u00e4 eroa on laastiliimalla ja tavallisella laastilla?<\/h2>\n <\/div>\n
\n Laastiliimoissa on polymeerej\u00e4 tai lis\u00e4aineita, jotka parantavat liimausta erityisesti laatoitus- tai eristyssovelluksissa, kun taas tavallinen laasti on sementin ja hiekan perusseos. <\/div>\n <\/div>\n \n <\/div>\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":"

Laastin tartuntalujuuden parantaminen ei ole monimutkaista - se vaatii vain oikean yhdistelm\u00e4n lis\u00e4aineita, esik\u00e4sittelyj\u00e4 ja prosesseja. <\/p>","protected":false},"author":1,"featured_media":11560,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[35],"tags":[80,95],"class_list":["post-11554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-mortar-additives","tag-mortar-adhesive"],"yoast_head":"\nHow to Improve Mortar Adhesive Strength\uff1f<\/title>\n<meta name=\"description\" content=\"Improving mortar adhesive strength is not complicated - it just requires the right combination of additives, pretreatments and processes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tenessy.com\/fi\/miten-parantaa-laastin-liimauslujuutta\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Improve Mortar Adhesive Strength\uff1f\" \/>\n<meta property=\"og:description\" content=\"Improving mortar adhesive strength is not complicated - 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