Prowarm PEX-AL-HDPE underfloor heating pipe is an ultra high quality, safe and reliable European manufactured product with a 50 years pipe warranty. The pipe consists of cross linked polyethylene inner a central core of aluminium alloy which also acts has an oxygen barrier and High density polyethylene (HDPE). The layers of adhesive bind the inner and outer polyethylene layers to the central core of aluminium alloy oxygen barrier layer by a thermal reaction. The oxygen barrier layer is right in

Brand Name	Prowarm