weber waterseal 321 is a two-component acrylic polymer modified, elastomeric cementitious waterproofing coating, which requires adding only clean water at the site. It is easy to apply on the surfaces by stiff brush, roller or trowel to form a flexible waterproof coating
https://www.in.weber/complete-waterproofing-solution/cementitious-waterproofing/weber-waterseal321
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