Bona RollGuard Moisture Barrier - 5 Liter

Bona RollGuard™ – Easy, Roll-On Moisture Barrier for Concrete and Wood Subfloors

Looking for a simple and effective way to protect your floors from moisture? Bona RollGuard™ is a one-component, roll-on moisture membrane that helps mitigate moisture vapor transmission on concrete, gypsum, and wooden subfloors. Designed to work with the entire Bona Adhesive System, it forms a seamless, continuous barrier—no seams, no worries.

Whether you're installing new floors or working on a renovation, RollGuard ensures faster prep time and long-term moisture protection.

Why Choose Bona RollGuard™?

• Provides vapor barrier protection up to 18 lbs MVER or 95% RH

• Fast drying—ready for adhesive installation within 2–3 hours

• Zero VOCs and GREENGUARD Gold Certified for healthier indoor environments

• Easy roll-on application—no special tools required (use a ¼” nap roller)

• Compatible with the entire Bona Adhesive lineup, including Bona Quantum® and Quantum Flow™

Coverage:

• One coat at 400–500 square feet per 5-liter jug for moisture protection

• Heavy coat (for patching/leveling prep): 200–250 square feet per 5-liter jug

Apply one even coat on wood subfloors or concrete using a standard roller, and you're ready to move forward with your installation in just a few hours!

Protect your floors from below—choose Bona RollGuard™ for quick, reliable moisture control!