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Builder’s Block™

Professional Grade Adhesive and Moisture Vapor Control
TDS SDS
Where to Buy
Product overview
Builder's Block is a builder-grade polyurethane adhesive and moisture vapor control membrane. Its superior properties provide a tough, flexible, tenacious bond to a variety of surfaces. Builder's Block high tacking formula exhibits exceptional green grab immediately after troweling, making installation easier and more secure. This adhesive has low VOC’s (measured per EPA Method 24) and does NOT contain any water. 
Geographic availability
  • United States
Available sizes
4 gallon pail

Product information !

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Smart Advantages

 
Unlimited moisture vapor protection
No flooring length or width restrictions
Low VOC

Latest news

Jan 20 2026
  • Innovation
  • Products
  • Wall & Floor
  • Events
Bostik Brings Next-Level Flooring Innovation to Surfaces 2026
Layered with Innovation. Sealed with Experience.

Bostik will showcase ...
Read more
surfaces-2026_640x480.jpg
surfaces-2026_640x480.jpg
Apr 14 2025
  • Wall & Floor
  • Events
Bostik to Showcase Tailgate-Themed Booth and Innovative Flooring Solutions at NWFA Expo 2025
Bostik is excited to announce its participation in the National Wood Flooring Association (NWFA) ...
Read more
nwfa-2025-640x480.jpg
nwfa-2025-640x480.jpg

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