GoBoard Waterproofing & Crack Isolation Membrane, 108 Sq Ft (3'3" x 33')

The GoBoard® Waterproofing Membrane is a lightweight, flexible, and durable solution for tile waterproofing and crack isolation in residential and commercial settings. Designed for interior and exterior use, this 108 sq ft membrane is ideal for wet areas like showers, tub surrounds, and steam rooms. It meets ANSI A118.10 waterproofing standards and carries an ASTM C627 “Extra Heavy” durability rating—making it a professional-grade choice for demanding tile installations.

Key Features & Benefits

• Waterproof Barrier: ANSI A118.10 compliant for use behind tile in wet areas.
• Crack Isolation: Helps prevent surface cracking caused by substrate movement.
• “Extra Heavy” Durability: ASTM C627 rated for high-traffic commercial applications.
• Flexible & Lightweight: Easy to cut and install for fast application.
• Tile Ready: Works with both unmodified and modified thin-set mortars.
• Interior & Exterior Use: Great for walls, floors, ceilings, and shower assemblies.

Specifications

GoBoard® delivers confidence with every tile job. Order today and get a certified waterproofing membrane that installs fast, lasts long, and meets industry standards.