Your floor heating pipe is covered by no less than fifty years of warranty, a five-year system warranty and two years of warranty on the fittings of the manifold (terms and conditions apply). We even give you an unlimited warranty on our calculations and designs. WTH is ISO 9001-certified and our floor and wall heating system has KIWA/KOMO-quality approval under numbers K11399/01 and K11400/01 (the Dutch equivalent to British Board of Agrément approval).  The system supplied by Thermo-Floor complies with all European Standards relevant including BS EN 1264 Parts 1-4