Graywall Waterproofing Product Description: Graywall waterproofing membrane is a seamless, spray or brush applied, rubber membrane used to waterproof vertical below-grade structures in residential construction. Applied in a single exterior application, Graywall requires no tar, no drainage board and can be applied in temperatures as low as -15°C (5°F). The Graywall membrane cures in 10 to 20 minutes providing a very flexible (1400% elongation) waterproofing membrane that is superior to traditionally used dampproofing methods. Features & Benefits: all rubber highly elastic over 1400% elongation no asphalt seamless protection economical Uses: Graywall provides an excellent means of waterproofing new or existing residential below-grade foundations constructed of poured concrete. Also available in a brush-grade formula, Graywall provides economical, cost efficient waterproofing protection for budget conscious consumers. ABOUT US | WHAT'S NEW | CONTACT US | WATERPROOFING | AIR/VAPOUR BARRIERS | ROOFING SPRAY INSULATION | SEALANTS | DAMPPROOFING | DRAINAGE MEMBRANES | ATLAS BLOCK | HOME