Waterproofing Crack Isolation Membrane

TEC® HydraFlex™ Waterproofing Crack Isolation Membrane. Ready-to-use, flexible, mold- and mildew-resistant waterproofing crack-isolation membrane for interior and exterior applications. Forms a smooth, monolithic, watertight surface over walls, floors, and ceilings. HydraFlex Membrane stops in-plane cracks up to 1/8″ (3 mm) or 1/4″ (6 mm) wide at the subfloor from telegraphing through to ceramic and stone tile, for residential to extra-heavy commercial applications.