Isofloor Basic softboard underlay, 7 mm thick wood-fibre boards. Sound-reducing underlay tested to EN 140-8 / EN 717-2. Suitable for houses and apartments.

Levels differences up to about 4 mm; larger unevenness must be levelled first. Boards 600 × 1200 mm, 7 mm thick. Pack of 10 = 7.2 m². PEFC certified.