Polyester fibre Impact insulation system
FIBTEC XS3 insulating underlay with a screen-printed vapour barrier coating. The product comes with adhesive flap to connect and seal the sheets.
IsolDrum Fiber is specifically recommended in case of uneven installation surface. This product is also suitable for hot water underfloor heating. Check: Rt (finishing + Isolmant layer) ≤ 0,15 m2K/W.