Wetroom shower areas with exceptional strength, up to 100 stone / 635kg using ShowerDec. ---A level access wetroom shower area concealed beneath the vinyl or tiled flooring once installed. ---No additional support needed around the waste assisting ease & speed of installation.* ---24mm thick to facilitate installation with existing floorboards. ---40mm flat area around the floor former perimeter for door placement & water retention. ---Larger shower area, ideal for wheelchairs. ---Lifetime guarantee. *Tested in accordance with a standard floor with 16” joist centres of 47mm width & supported around the floor former outer edges. No additional support around the waste area. INSTALLER FRIENDLY: ---No raised collar around the underside of the waste making installation on timber floors easier.