QEP 500 sq. ft. QEP Aquabar “B” Moisture Vapor Barrier
Aquabar “B” floor and tile underlayment is a highly effective moisture vapor retarder for interior construction applications. Consisting of two layers of Kraft paper laminated with asphalt, Aquabar “B” is a non-reinforced 30/30/30 duplex type Grade “B” paper.
Features
- 500 sq. ft. roll – 36 in x 167 ft
- Designed to reduce moisture-related problems
- Ideal underlayment for interior installations of ceramic, porcelain, or stone over cement board, plywood, or concrete and finished or unfinished wood floors over plywood or concrete
- Most commonly used beneath wood flooring, ceramic tile, and stone veneer or as a membrane on walls, countertops, and residential showers
- Sub-floor barrier slows moisture migration and helps prevent buckling, cupping, and cracking
- Sold individually
