A 15mm resilient acoustic layer laminated to a 22mm t&g cement particle board, designed for fitting direct to joist. The slim profile and high acoustic performance options of Acoustic Deck 37 make them ideal for timber floor refurbishment projects. Features Direct to Joist: Acoustic Deck 37 is specially designed for direct to joist fitment after existing timber floor has been removed. Saves height saves money: After removing existing timber floors, there is no need to lay a new one, which overcomes floor-to-ceiling height issues, saving money and time. Strong and rigid: Suitable for both 400mm and 600mm joist centres and ceramic tiling. Non load bearing partitions can be built off the floor. An ideal solution where construction heights are a problem, Easy to install, Suitable for for new flooring systems or upgrades to existing separating floors, An economical product for Conversion projects Offers good impact sound improvement, Deck ready for final floor finish e.g.laminates, carpets and carpet tiles, Overlaid onto flat timber floors. Convenient: These products are easy to install and always available for fast delivery nationwide. Properties Length:  1.2m. Width:  600mm. Thickness:  34mm. Board coverage:  0.72m2. Composition:  22mm T&G P5 cement based board with a pre-bonded 12mm foam resilient layer. Edging:  tongue & groove. Weight:  24kg. Acoustic Testing & Compliance JCW Acoustic Deck 34 has been tested and certified to provide the necessary acoustic insulation required for compliance with part ‘E’ of the Building Regulations for both impact and airborne noise.