Bona R820™
Engineered Wood Floor Adhesive
Price
$129
per pail (3 gallons)
Professional-grade, one-component silane-based adhesive engineered for superior performance with engineered hardwood flooring. Zero VOC and GREENGUARD Certified for safe, sustainable installations.
Product Specifications
SKU
BONR820
Size
3 Gallons
Base
Silane Modified Prepolymer
Colour
Tan
Density
15 lbs/gallon
VOC Content
Zero VOC
Technical Properties
Max Shear Strength
145 psi
Max Elongation
>100%
Moisture Protection
Up to 6 lbs MVER or 80% RH
Open Time
Up to 90 minutes @ 70°F and 50% RH
Light Foot Traffic
12 hours
Coverage
Up to 75 sq.ft. per gallon (≈225 sq.ft. per pail)
Key Benefits
Easy to Spread
Excellent spreading properties with outstanding ridge stability for maximum adhesive transfer to both substrate and flooring.
Easy to Clean
Won't harm prefinished floors and cleans up easily without solvent, making installation and cleanup faster and safer.
Long Open Time
Up to 90 minutes of open time provides flexible board adjustment and installation comfort for professional installers.
Water & Solvent Free
No water, solvent, or isocyanate content ensures safe handling and zero VOC for healthier indoor air quality.
GREENGUARD Certified
Certified for low chemical emissions, ensuring compliance with stringent environmental and health standards.
Versatile Application
Suitable for use on/above/below grade with compatible substrates including concrete, plywood, and radiant heat systems.
Compatible Applications & Substrates
Best For
- ✓ Engineered hardwood flooring up to 10" wide
- ✓ Engineered hardwood up to 5/8" thick
- ✓ Interior residential installations
- ✓ On/above/below grade applications
Compatible Substrates
- • Concrete
- • Plywood
- • Radiant heat flooring
- • Engineered substrates
Note: For engineered flooring over 10" wide or 5/8" thick, or for solid wood flooring, use Bona QUANTUM® R851 instead.
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