{"id":73999,"date":"2026-05-26T12:09:30","date_gmt":"2026-05-26T17:09:30","guid":{"rendered":"https:\/\/can.wrmeadows.com\/?p=73999"},"modified":"2026-05-26T16:01:38","modified_gmt":"2026-05-26T21:01:38","slug":"waterstop-liquid-hpw-canada-polyurethane-hydrophilic-waterstop","status":"publish","type":"post","link":"https:\/\/can.wrmeadows.com\/en-ca\/waterstop-liquid-hpw-canada-polyurethane-hydrophilic-waterstop\/","title":{"rendered":"WATERSTOP LIQUID HPW"},"content":{"rendered":"

<\/a><\/p>\n

Product Data Sheet<\/h3>\n

\"Product<\/p>\n\n\n\n
03 30 00<\/a>
\n07 16 16<\/a>
\n<\/strong><\/td>\n		\n

DATA SHEET 5128-120<\/p>\n<\/td>\n

\"\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

WATERSTOP LIQUID HPW
\nPolyurethane Hydrophilic Waterstop<\/strong><\/p>\n

DESCRIPTION<\/strong><\/p>\n

WATERSTOP LIQUID HPW is a one-component polyurethane sealant that swells up to 500% when in contact with water.\u00a0 It is a gun-grade hydrophilic waterstop used for construction joints, pipe, or cable wall inlets.\u00a0 It has excellent swelling capability with superior water-stopping performance over the service life of the structure.<\/p>\n

USES<\/strong><\/p>\n

WATERSTOP LIQUID HPW is pre-applied to provide a negative-side waterproofing contingency should the primary positive-side waterproofing fail in applications including cast-in-place slabs, pipe penetrations, construction joints, sheet piles, and cold joints.\u00a0 It can be applied both vertically and horizontally.\u00a0 It is also used to seal non-moving construction or cold joints against water migration in concrete and reinforced concrete construction.\u00a0 WATERSTOP LIQUID HPW has superior performance when used under conditions of extreme hydrostatic pressure.\u00a0 The waterstop can also be used as an adhesive when installing the standard WATERSTOP HPW.<\/p>\n

FEATURES\/BENEFITS<\/strong><\/p>\n

    \n
  • Provides excellent adhesion on concrete, metals, and PVC.<\/li>\n
  • Excellent swelling properties, with expansion capability up to 400 – 500% of its original volume.<\/li>\n
  • Gunable<\/li>\n
  • Stays elastic after curing.<\/li>\n
  • Excellent chemical resistance.<\/li>\n<\/ul>\n

    PACKAGING<\/strong><\/p>\n

    592 mL (20 Oz.) Sausages
    \n12 per Carton<\/p>\n

    COVERAGE<\/strong><\/p>\n

    9.5 x 9.5 mm (3\/8\u201d x 3\/8\u201d) bead yields 2 m2<\/sup> (21.5 ft.2<\/sup>) per 592 mL (20 oz.) sausage.<\/p>\n

    SHELF LIFE<\/strong><\/p>\n

    When stored indoors and in original, unopened containers at temperatures between 4\u00b0 – 32\u00b0 C, shelf life is one year from date of manufacture.\u00a0 Protect from moisture.<\/p>\n

    TECHNICAL DATA<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
    Property<\/strong><\/td>\nWATERSTOP LIQUID HPW Results<\/strong><\/td>\n<\/tr>\n
    Color<\/td>\nBrown<\/td>\n<\/tr>\n
    Material<\/td>\nPolyurethane<\/td>\n<\/tr>\n
    Curing Method<\/td>\nMoisture Cure<\/td>\n<\/tr>\n
    Skin Formation<\/td>\n10 – 15 Minutes<\/td>\n<\/tr>\n
    Slump<\/td>\nNone<\/td>\n<\/tr>\n
    Elongation<\/td>\n250%<\/td>\n<\/tr>\n
    VOC Content<\/td>\n0 g\/L<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    APPLICATION<\/strong><\/p>\n

    Surface Preparation \u2026 <\/strong>Ensure surfaces are free from protrusions and debris.\u00a0 No primer is required.\u00a0 Compatibility tests with all surfaces are recommended.\u00a0\u00a0 WATERSTOP LIQUID HPW may be installed after removal of forms and prior to the subsequent concrete placement.\u00a0 Minimum application temperature is 4\u00b0 C and rising.<\/p>\n

    Application Method \u2026 <\/strong>Apply WATERSTOP HPW onto vertical and horizontal construction joints and recessed a minimum of 76.2 mm (3\u201d) from outside surfaces.<\/p>\n

    For rough concrete, apply WATERSTOP LIQUID HPW to fill voids and provide additional adhesion to prevent water or concrete from seeping under WATERSTOP HPW.<\/p>\n

    PRECAUTIONS<\/strong><\/p>\n

    Keep WATERSTOP LIQUID HPW dry; protect from exposure to the elements.<\/p>\n

    MASTERFORMAT NUMBER AND TITLE<\/strong><\/p>\n

    03 15 13 – Concrete Accessories \u2013 Waterstops
    \n07 16 16 \u2013 Crystalline Waterproofing<\/p>\n

    2026-05<\/p>\n

    \"\"<\/p>\n

    \"warranty\"<\/p>\n","protected":false},"excerpt":{"rendered":"

    Product Data Sheet 03 30 00 07 16 16 DATA SHEET 5128-120 WATERSTOP LIQUID HPW Polyurethane Hydrophilic Waterstop DESCRIPTION WATERSTOP LIQUID HPW is a one-component polyurethane sealant that swells up to 500% when in contact with water.\u00a0 It is a gun-grade hydrophilic waterstop used for construction joints, pipe, or cable wall inlets.\u00a0 It has excellent…<\/p>\n","protected":false},"author":1,"featured_media":74000,"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":[17857,5578],"tags":[],"class_list":["post-73999","post","type-post","status-publish","format-standard","has-post-thumbnail","category-building-envelope-en-ca","category-waterstops-en-ca","entry"],"acf":[],"yoast_head":"\nWATERSTOP LIQUID HPW (Canada) - Polyurethane Hydrophilic Waterstop - W. 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