A ROBUST BONDED RESILIENT FLOOR COVERING. ACOUSTIC UNDERLAY MATTING MATERIAL DESIGNED TO ATTENUATE IMPACT SOUND AT SOURCE. Impacta 4551 Timber at 4.5mm thick is suitable for all floor finishes including ceramic tiles, vinyl, wood and laminates, carpet and marmoleum. Universal: JCW Impacta 4551 Timber can be bonded to all types of base floors. Tested: Following extensive testing, JCW Impacta Adhesive is recommended to bond the product to the base floor. Plastersizer Migration Report: Independent report available on request which clearly states that the JCW Impacta 4551 Mat product does not cause Plastersizer Migration. Acoustic Testing & Compliance JCW Impacta 4551 Mat has been accepted by NHBC for ADE compliance. For more information on this product call us today on 01204 548400.