Isocheck 28T is a high performance acoustic floor systems designed to reduce impact sound transmission through traditional timber floors where no additional precautions are required for higher domestic loads in bathrooms and kitchens. Isocheck 28T consists of a 6mm layer of Isofiba bonded to 22mm P5 V313 moisture resistant chipboard. When installed as part of an Isomass approved separating floor construction this system enables a traditional timber joisted floor to meet the sound transmission standards of Approved Document E 2003 and subsequent amendments in 2004, 2010, 2013 and 2015. To be used over existing floorboards for conversions, refurbishments or new build with a decoupled ceiling. . Isomass offer a free acoustic detail design service to Building Materials Nationwide Ltd customers, please visit the contac t us page to get in touch.