Bostik BST™ Urethane Moisture Vapor Retarder Urethane Adhesive

$ 1.13 / Sq Ft

150 Sq Ft / Pail

$ 169.99 / Pail

Quantity of Pails Required
Sq Ft
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Wood Flooring Urethane Adhesive and Moisture Vapor Retarder.

BST urethane is a one-part, trowel applied, tacking, moisture- cure urethane adhesive; this adhesive does NOT contain any water. Once cured, BST urethane is waterproof and is not adversely affected by exposure to moisture or water. When applied as directed for a moisture vapor membrane, Bostik BST urethane will reduce moderate amounts of moisture vapor transmission from the subfloor and prevent damages to engineered wood flooring caused by subfloor moisture.

BST urethane may be used to adhere all engineered, solid (adhesive only), bamboo (adhesive only), cork, and parquet (adhesive only) hardwood flooring designed and recommended in writing by the hardwood flooring manufacturer for glue-down applications. This adhesive can also be used to install plywood as described, as well as ceramic tile, marble, and stone inlays for light commercial and/or residential applications.

Bostik’s BST urethane is recommended as a moisture membrane beneath dimensionally stable, engineered wood flooring only.

BST urethane may be used over all properly prepared substrates common to hardwood flooring installations including: concrete, plywood, particle or chip board (underlayment grade), well bonded vinyl/VCT and ceramic tile, cement backer board, gypsum underlayments (dry, above-grade), cement patch/underlayments, radiant-heat flooring, and properly prepared terrazzo.

150 Sq Ft / pail coverage