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.

Bona R820 Engineered Wood Floor Adhesive

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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