Dial Acoustic Polyolefin Foam Underlay, 2mm thickness. 1 meter width It is an,opened packet as used for the hallway so only a small amount was used. Was 20 meters Purchased for £23, so a bargain Suitable for use with underfloor heating systems Mould and mildew resistant 19db sound reduction Polyolefin foam 100% recyclable polyethylene
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