HydroStop® FlexCoat Wall Coating


FlexCoat Wall Coating is a “crack bridging” elastomeric coating designed for waterproofing exterior walls. It is formulated with the highest quality resins and raw materials available to form a tough yet flexible mildew-resistant coating for masonry, stucco, and block substrates.

Sizes Available:

2 gallon (7.6 liter) pail
5 gallon (19 liter) pail
54 gallon drum

Colors Available:

White Tint Base, Deep Tone Base

Uses & Advantages

Recommended for waterproofing of:

  • Stucco walls
  • Concrete walls
  • Brick walls
  • Block walls
  • Split-faced Block walls

  • Flexible so it will move with cracks
  • Excellent adhesion
  • Ultraviolet resistant for extra durability
  • Extensive color range capabilities
  • Meets most VOC emission regulations to eliminate facility downtime during application.
  • Low toxicity formulation is safe to install
  • Easy application and cleanup
  • No special training or equipment required to install

Physical Properties

Solids by Weight 66% (±2)
Solids by Volume 52% (±3)
Tensile Strength 320 psi (±20) @ 75°F (24°C)
Elongation >600% (±20) @ 75°F (24°C)
Density 11.9 lbs/gal (1426 g/L)
pH 9.2
VOC 100 g/L


All documents are U.S. English unless otherwise noted

Commercial Roofing EagleView Commercial Property Owners Portal Architects And Specifiers


Product Princing and Where to Buy
© Copyright 2019 GAF | Privacy Policy and Legal | GAF Canada | GAF U.S.