Roll Under Screed Acoustic Floor Insulation from Isolgomma is produced using resilient rubber fibres and granules. It is 5mm thick and is designed for use as an under screed acoustic insulation impact soundproofing membrane. Roll is a low VOC product manufactured from 98% recycled materials ensuring a low environmental impact. The unique distribution of rubber granules on the floor ensures excellent elasticity making Roll ideal for impact noise reduction. Roll is also available with an aluminium reflective face for directing heat back into the screed.