Builder’s Block™
Professional Grade Adhesive and Moisture Vapor Control
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
Smart Advantages
Unlimited moisture vapor protection
No flooring length or width restrictions
Low VOC
Related market & applications

Wall & Floor
- Hardwood Flooring