Prowarm PEX AL PEX 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, another layer of adhesive is then added before another layer of cross linked polyethylene. The layers of adhesive bind the two layers of cross linked polyethylene to the central core of aluminium alloy oxygen barrier layer by

Brand Name	Prowarm