Bona Adhesive - R850T ADH - 20oz Tube

Bona QUANTUM® – High-Strength, Moisture-Curing Wood Floor Adhesive

Bona QUANTUM® is a silane-based, one-component, moisture-curing adhesive engineered for secure and flexible hardwood floor installations. Free from water and solvents, it offers superior adhesion, allows for natural wood movement, and is ideal for use with both solid and engineered flooring. Whether you’re working on close-out rows, board replacements, or difficult-to-nail areas, QUANTUM® provides strength and versatility with a clean finish.

Perfect for use in both residential and commercial projects, it’s GREENGUARD Gold Certified and easy to apply—even in tight or hard-to-reach spaces .

Why Choose Bona QUANTUM®?

• Zero VOC formula – safe for indoor use and compliant with green building standards

• Outstanding strength – 340 psi max shear strength with 200% elongation for flexibility

• Perfect for close-out rows and trim – eliminates face nailing and popping sounds

• Excellent for prefinished floors – cleans easily and won’t damage surface coatings

• GREENGUARD Gold Certified – for healthier air quality in schools, homes, and commercial buildings

Application Tips:

• Coverage: 60 linear feet per 20 oz. tube (using ¼" bead)

• Open time: up to 60 minutes at 70°F / 50% RH

• Light foot traffic after 8–10 hours; sanding and finishing in 24 hours

• Apply directly with the Bona QUANTUM® applicator system for best results

• Store at room temperature; freeze-thaw stable and long shelf life (12 months)

Perfect For:

• Wide plank or prefinished flooring installations

• Board replacements, trim, stairs, risers

• Projects where traditional fastening methods are difficult (radiant heat, edge rows)

Pro Tip:

For enhanced moisture protection, use in combination with Bona R540 Primer or a Moisture Barrier Plus clip-on trowel system when moisture levels exceed limits.

For flexible strength, zero VOCs, and installation ease—trust Bona QUANTUM® for lasting, professional-grade hardwood floor adhesion.