{"id":49202,"date":"2021-01-27T21:06:51","date_gmt":"2021-01-28T03:06:51","guid":{"rendered":"https:\/\/can.wrmeadows.com\/?p=49202"},"modified":"2025-10-03T10:06:53","modified_gmt":"2025-10-03T15:06:53","slug":"precon-winter-grade-francais","status":"publish","type":"post","link":"https:\/\/can.wrmeadows.com\/fr-ca\/precon-winter-grade-francais\/","title":{"rendered":"PRECON WINTER-GRADE"},"content":{"rendered":"<p><a name=\"ds\"><\/a><\/p>\n<h3 class=\"section\">Fiche Technique<\/h3>\n<p><a href=\"https:\/\/can.wrmeadows.com\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/can.wrmeadows.com\/pics\/hdgreen-fr.jpg\" alt=\"W. R. MEADOWS, Fiche Technique\" width=\"678\" height=\"150\" border=\"0\" \/><\/a><\/p>\n<table border=\"0\" width=\"100%\" cellspacing=\"2\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"18%\"><strong><a href=\"https:\/\/can.wrmeadows.com\/fr-ca\/fra\/#071113\">07 13 00<\/a><\/strong><\/td>\n<td align=\"center\" width=\"40%\"><a href=\"https:\/\/can.wrmeadows.com\/francais\/data\/5118-350.pdf\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/can.wrmeadows.com\/francais\/pics\/pdfclick.gif\" alt=\"Click for Print Version\" width=\"119\" height=\"23\" border=\"0\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Fiche Technique 5118-350<\/strong><\/p>\n<p><strong>PRECON<sub>\u00ae<\/sub> WINTER-GRADE<\/strong><br \/>\n<strong>Membrane imperm\u00e9abilisante pr\u00e9-appliqu\u00e9e pour dessous de dalle<\/strong><\/p>\n<p><strong>DESCRIPTION<\/strong><\/p>\n<p>PRECON WINTER GRADE est une membrane composite en feuilles compos\u00e9e d\u2019un nontiss\u00e9, d\u2019une membrane \u00e9lastom\u00e8re et du noyau plasmatique brevet\u00e9 exclusif \u00e0 W. R. MEADOWS (U.S. Patent No. 7,179,761). Le noyau plasmatique est une matrice \u00e0 sept couches con\u00e7ue pour \u00eatre robuste et fournir le taux de transmission de la vapeur d\u2019eau le plus faible du march\u00e9. Une fois le b\u00e9ton coul\u00e9 contre PRECON WINTER GRADE et m\u00fbri, un accrochage m\u00e9canique se cr\u00e9e qui fixe le b\u00e9ton \u00e0 la membrane.<\/p>\n<p><strong>UTILISATIONS<\/strong><\/p>\n<p>PRECON WINTER GRADE est employ\u00e9 comme membrane de c\u00f4t\u00e9 oppos\u00e9 dans les applications verticales lorsque l\u2019accessibilit\u00e9 du c\u00f4t\u00e9 positif est limit\u00e9e. La membrane peut aussi \u00eatre utilis\u00e9e dans les applications horizontales pour l\u2019\u00e9tanch\u00e9it\u00e9 \u00e0 la vapeur et l\u2019imperm\u00e9abilisation des dessous de dalle. La version basse temp\u00e9rature peut \u00eatre install\u00e9e \u00e0 une temp\u00e9rature de -7\u00b0C et plus.<\/p>\n<p><strong>CARACT\u00c9RISTIQUES ET AVANTAGES<\/strong><\/p>\n<ul>\n<li>Cr\u00e9e un scellement \u00e9tanche entre la membrane et le mur de b\u00e9ton coul\u00e9.<\/li>\n<li>Aide \u00e0 emp\u00eacher la diffusion de l\u2019humidit\u00e9 dans la structure.<\/li>\n<li>R\u00e9duit l\u2019infiltration du m\u00e9thane et du radon.<\/li>\n<\/ul>\n<p><strong>EMBALLAGE<\/strong><\/p>\n<p>Rouleaux de 1,2 m x 15,2 m (4 pi x 50 pi). Un rouleau par bo\u00eete.<\/p>\n<p><strong>MANIPULATION ET ENTREPOSAGE<\/strong><\/p>\n<p>Stocker les bo\u00eetes de membrane sur des palettes et couvrir si laiss\u00e9es \u00e0 l\u2019ext\u00e9rieur. Garder le mat\u00e9riau loin des \u00e9tincelles et des flammes.<\/p>\n<p><strong>APPLICATION<\/strong><\/p>\n<p><strong>Pr\u00e9paration de la surface \u2026<\/strong> Inspecter toutes les surfaces pour d\u00e9celer la pr\u00e9sence de tout \u00e9l\u00e9ment nuisible au bon d\u00e9roulement des travaux. Les surfaces devraient \u00eatre solides. Enlever les d\u00e9bris et toute mati\u00e8re \u00e9trang\u00e8re qui pourrait endommager la membrane.<\/p>\n<p>PRECON WINTER GRADE peut \u00eatre employ\u00e9 avec un \u00e9taiement de murs en caisson sans utiliser de panneaux de drainage, tels que <a href=\"https:\/\/can.wrmeadows.com\/fr-ca\/mel-drain-francais\/\">MEL-DRAIN<\/a> de W. R. MEADOWS. W. R. MEADOWS recommande le drainage du site bien que celui-ci ne puisse pas \u00eatre effectu\u00e9 de mani\u00e8re efficace dans certaines conditions de chantier. La d\u00e9cision de retirer les panneaux de drainage devrait \u00eatre \u00e0 la discr\u00e9tion de l\u2019ing\u00e9nieur. Si le syst\u00e8me de drainage n\u2019est pas install\u00e9, la pr\u00e9paration de la surface est importante. Le substrat a besoin d\u2019\u00eatre solide, sain et lisse. Tout espace ou vide de plus de 25 mm (1 po) doit \u00eatre bouch\u00e9. Lorsque PRECON WINTER-GRADE est employ\u00e9 avec MEL-DRAIN de W. R. MEADOWS, le syst\u00e8me peut recouvrir les espaces de moins de 50,8 mm (2 po). Cependant, les espaces de plus de 50,8 mm (2 po) doivent \u00eatre bouch\u00e9s.<\/p>\n<p><strong>M\u00e9thode d\u2019application\u2026<\/strong> PRECON WINTER GRADE peut \u00eatre appliqu\u00e9 jusqu\u2019\u00e0 une temp\u00e9rature de -7\u00b0C.<\/p>\n<p>Avant d\u2019appliquer la membrane du c\u00f4t\u00e9 invisible, fixer le syst\u00e8me de drainage en rouleau MEL-DRAIN de W. R. MEADOWS au syst\u00e8me d\u2019isolation ou de r\u00e9tention du sol.<\/p>\n<p>Pour les applications verticales de PRECON WINTER GRADE fixer m\u00e9caniquement la partie sup\u00e9rieure tous les 31 cm (12 po) \u00e0 l\u2019aide d\u2019attaches plac\u00e9es dans les 13 mm (\u00bd po) de l\u2019extr\u00e9mit\u00e9 de la membrane. Installer la membrane c\u00f4t\u00e9 tissu vers le b\u00e9ton coul\u00e9.<\/p>\n<p>D\u00e9tacher le papier amovible sur une largeur de chevauchement de 152,4 mm (6 po). Appliquer la membrane et presser avec un rouleau de type rouleau pour carreaux.<\/p>\n<p><strong>Raccordements aux extr\u00e9mit\u00e9s\u2026<\/strong> Pour des performances optimales, <a href=\"https:\/\/can.wrmeadows.com\/fr-ca\/hydralastic-836-francais\/\">HYDRALASTIC 836<\/a> de W. R. MEADOWS devrait \u00eatre utilis\u00e9 pour toutes les terminaisons et d\u00e9coupages aux extr\u00e9mit\u00e9s. Pour des informations d\u00e9taill\u00e9es, voir le bulletin PRECON COLD WEATHER APPLICATION TECHNICAL BULLETIN disponible \u00e0 <u>www.wrmeadows.com<\/u>.<\/p>\n<p><strong>Saillies et p\u00e9n\u00e9trations\u2026<\/strong> D\u00e9couper autour de toutes les p\u00e9n\u00e9trations horizontales et verticales avec HYDRALASTIC 836. Appliquer HYDRALASTIC 836 en cr\u00e9ant un filet autour des tuyaux ou des saillies tout en faisant se chevaucher le c\u00f4t\u00e9 tissu de PRECON WINTER GRADE et les saillies sur au moins 64 mm (2,5 po). Si l\u2019espace entre la saillie et la membrane est sup\u00e9rieure \u00e0 13 mm (\u00bd po), appliquer PRECON FABRIC TAPE sur HYDRALASTIC 836 non m\u00fbri. Les surfaces des p\u00e9n\u00e9trations et des saillies doivent \u00eatre propres, solides, saines et sans rouille avant l\u2019application d\u2019HYDRALASTIC 836.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"73203\" data-permalink=\"https:\/\/can.wrmeadows.com\/fr-ca\/precon-winter-grade-francais\/screenshot-2025-10-02-143835\/\" data-orig-file=\"https:\/\/can.wrmeadows.com\/wp-content\/uploads\/2021\/01\/Screenshot-2025-10-02-143835.png\" data-orig-size=\"434,589\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Screenshot 2025-10-02 143835\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/can.wrmeadows.com\/wp-content\/uploads\/2021\/01\/Screenshot-2025-10-02-143835.png\" class=\"alignnone size-full wp-image-73203\" src=\"https:\/\/can.wrmeadows.com\/wp-content\/uploads\/2021\/01\/Screenshot-2025-10-02-143835.png\" alt=\"\" width=\"434\" height=\"589\" srcset=\"https:\/\/can.wrmeadows.com\/wp-content\/uploads\/2021\/01\/Screenshot-2025-10-02-143835.png 434w, https:\/\/can.wrmeadows.com\/wp-content\/uploads\/2021\/01\/Screenshot-2025-10-02-143835-221x300.png 221w, https:\/\/can.wrmeadows.com\/wp-content\/uploads\/2021\/01\/Screenshot-2025-10-02-143835-199x270.png 199w\" sizes=\"auto, (max-width: 434px) 100vw, 434px\" \/><\/p>\n<p>Pour les applications horizontales avec des p\u00e9n\u00e9trations regroup\u00e9es, utiliser toujours HYDRALASTIC 836. Avant l\u2019application d\u2019HYDRALASTIC 836, pr\u00e9parer les surfaces des p\u00e9n\u00e9trations tel que ci-dessus et fabriquer un cadre de 2 pi x 4 pi (0.6 x 1,2 m) afin de former une zone pour un \u00ab\u00a0manchon de goudron\u00a0\u00bb pour HYDRALASTIC 836.<\/p>\n<p><strong>Rapi\u00e9\u00e7age\u2026<\/strong> Avant de couler, inspecter la membrane pour d\u00e9celer la pr\u00e9sence de perforations ou de dommages. R\u00e9parer, si n\u00e9cessaire, avec HYDRALASTIC 836 et\/ou <a href=\"https:\/\/can.wrmeadows.com\/fr-ca\/detail-fabric-francais\/\">DETAIL FABRIC<\/a>. De plus, s\u2019assurer qu\u2019il n\u2019y a pas d\u2019eau stagnante sur la membrane et que celle-ci a \u00e9t\u00e9 d\u00e9barrass\u00e9e des mat\u00e9riaux pouvant nuire \u00e0 l\u2019adh\u00e9rence du b\u00e9ton \u00e0 la membrane.<\/p>\n<p><strong>Applications en dessous des dalles \u2026<\/strong> Se r\u00e9f\u00e9rer \u00e0 ACI 302.1R\u00a0: Chapitre 4 (Site Preparation and Placing Environment) pour la pr\u00e9paration en dessous du sol avant l\u2019installation de PRECON WINTER GRADE.<\/p>\n<p><strong>PRECAUTIONS<\/strong><\/p>\n<p>Le b\u00e9ton devrait \u00eatre coul\u00e9 dans les 60 jours suivant l\u2019installation de la membrane. Lorsque des supports de barre sont utilis\u00e9s, choisir ceux avec une base plate. Avant de couler le b\u00e9ton, PRECON WINTER GRADE ne devrait pas \u00eatre expos\u00e9 \u00e0 l\u2019air ni \u00e0 la lumi\u00e8re solaire si la temp\u00e9rature d\u00e9passe 49\u00b0C. Lorsqu\u2019HYDRALASTIC 836 est appliqu\u00e9 \u00e0 -7\u00b0C, peut prendre jusqu\u2019\u00e0 deux semaines pour m\u00fbrir compl\u00e8tement. Cela d\u00e9pendra du degr\u00e9 d\u2019humidit\u00e9 durant cette p\u00e9riode. Une faible humidit\u00e9 prolongera le temps de m\u00fbrissement.<\/p>\n<p><strong>DONN\u00c9ES TECHNIQUES<\/strong><\/p>\n<table class=\"table\" width=\"100%\">\n<tbody>\n<tr>\n<td width=\"189\"><strong>Propri\u00e9t\u00e9<\/strong><\/td>\n<td width=\"161\"><strong>M\u00e9thode d\u2019essai<\/strong><\/td>\n<td width=\"227\"><strong>R\u00e9sultats avec PRECON WINTER GRADE<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"189\">\u00c9paisseur<\/td>\n<td width=\"161\">ASTM D 1000<\/td>\n<td width=\"227\">1,85 mm (73 milli\u00e8mes)<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">Flexibilit\u00e9 \u00e0 basse temp\u00e9rature<\/td>\n<td width=\"161\">ASTM D 1970, 180\u00b0 @ -32\u00b0C<\/td>\n<td width=\"227\">R\u00e9ussi<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">R\u00e9sistance \u00e0 la pression hydrostatique<\/td>\n<td width=\"161\">ASTM D5385-93<\/td>\n<td width=\"227\">70 m (230 pi)<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">Allongement, membrane polym\u00e8re<\/td>\n<td width=\"161\">ASTM D412-06<\/td>\n<td width=\"227\">&gt; 400%<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">R\u00e9sistance \u00e0 la traction, film<\/td>\n<td width=\"161\">ASTM D882<\/td>\n<td width=\"227\">63,4 MPa (9200 lb\/po<sup>2<\/sup>)<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">Cycle de fissuration<\/td>\n<td width=\"161\">ASTM C836 @ -15\u00b0F<\/td>\n<td width=\"227\">R\u00e9ussi<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">R\u00e9sistance \u00e0 la perforation<\/td>\n<td width=\"161\">ASTM E154<\/td>\n<td width=\"227\">&gt; 934 N (&gt; 210 lb)<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">R\u00e9sistance au d\u00e9collement du b\u00e9ton<\/td>\n<td width=\"161\">ASTM D903<\/td>\n<td width=\"227\">1754 N\/m(10 lb\/po)<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">Transmission de la vapeur d\u2019eau<\/td>\n<td width=\"161\">ASTM E96B<\/td>\n<td width=\"227\">0,0011 perm (0,007 g\/m<sup>2<\/sup>\/24h)<br \/>\n(0,0004 grain\/pi<sup>2<\/sup>\/h)<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">Transmission du radon (m\/s)<\/td>\n<td width=\"161\">K124\/02\/95<\/td>\n<td width=\"227\">&lt; 3,0 x 10<sup>-9<\/sup><\/td>\n<\/tr>\n<tr>\n<td width=\"189\">Coefficient de radon (m<sup>2<\/sup>\/s)<\/td>\n<td width=\"161\">K124\/02\/95<\/td>\n<td width=\"227\">&lt; 5,6 x 10<sup>-12<\/sup><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>2025-09<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/can.wrmeadows.com\/pics\/greenstripefoot.jpg\" alt=\"\" width=\"644\" height=\"15\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/can.wrmeadows.com\/pics\/fr-foot.jpg\" alt=\"\" width=\"657\" height=\"80\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/can.wrmeadows.com\/pics\/fr-foot3.jpg\" alt=\"\" width=\"789\" height=\"155\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PRECON WINTER GRADE est une membrane composite en feuilles compos\u00e9e d\u2019un nontiss\u00e9, d\u2019une membrane \u00e9lastom\u00e8re et du noyau plasmatique brevet\u00e9 exclusif \u00e0 W. R. MEADOWS (U.S. Patent No. 7,179,761). Le noyau plasmatique est une matrice \u00e0 sept couches con\u00e7ue pour \u00eatre robuste et fournir le taux de transmission de la vapeur d\u2019eau le plus faible du march\u00e9. Une fois le b\u00e9ton coul\u00e9 contre PRECON WINTER GRADE et m\u00fbri, un accrochage m\u00e9canique se cr\u00e9e qui fixe le b\u00e9ton \u00e0 la membrane.<\/p>\n","protected":false},"author":1,"featured_media":48889,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[163,228],"tags":[],"class_list":{"0":"post-49202","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sheet-fr-ca","8":"category-vapor-barriers-fr-ca","9":"entry"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PRECON WINTER-GRADE (Fran\u00e7ais) - Membrane imperm\u00e9abilisante pr\u00e9-appliqu\u00e9e pour dessous de dalle - W. 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Une fois le b\u00e9ton coul\u00e9 contre PRECON WINTER GRADE et m\u00fbri, un accrochage m\u00e9canique se cr\u00e9e qui fixe le b\u00e9ton \u00e0 la membrane.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/can.wrmeadows.com\/fr-ca\/precon-winter-grade-francais\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PRECON WINTER-GRADE (Fran\u00e7ais)\" \/>\n<meta property=\"og:description\" content=\"PRECON WINTER GRADE est une membrane composite en feuilles compos\u00e9e d\u2019un nontiss\u00e9, d\u2019une membrane \u00e9lastom\u00e8re et du noyau plasmatique brevet\u00e9 exclusif \u00e0 W. R. MEADOWS (U.S. Patent No. 7,179,761). Le noyau plasmatique est une matrice \u00e0 sept couches con\u00e7ue pour \u00eatre robuste et fournir le taux de transmission de la vapeur d\u2019eau le plus faible du march\u00e9. Une fois le b\u00e9ton coul\u00e9 contre PRECON WINTER GRADE et m\u00fbri, un accrochage m\u00e9canique se cr\u00e9e qui fixe le b\u00e9ton \u00e0 la membrane.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/can.wrmeadows.com\/fr-ca\/precon-winter-grade-francais\/\" \/>\n<meta property=\"og:site_name\" content=\"W. R. 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MEADOWS\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimation du temps de lecture\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/can.wrmeadows.com\\\/fr-ca\\\/precon-winter-grade-francais\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/can.wrmeadows.com\\\/fr-ca\\\/precon-winter-grade-francais\\\/\"},\"author\":{\"name\":\"W. R. 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