Bostik’s EFA+™ is an easy-to-trowel urethane adhesive and moisture control membrane. It provides a tough, flexible, tenacious bond to a variety of surfaces. Bostik’s EFA+™ elastomeric characteristics allow the adhesive to move with the wood as it expands and contracts over the life of the floor. Bostik’s EFA+™ exhibits a long open time making installation easier and faster. This adhesive has low VOC’s and does NOT contain any water.
Bostik’s EFA+™ may be used to adhere all engineered, solid (adhesive only), bamboo (adhesive only), cork, and parquet hardwood flooring (adhesive only). 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 EFA+™ may be used over all properly prepared substrates common to hardwood flooring installations including: concrete, plywood, OSB, 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.
Key Features: -Easy spread -Great ridge retention -Low VOC - Anti-fracture performance; can bridge cracks up to ⅛ inch