The PVC window industry is committed to sustainabilityand sustainability by doubling the rate of recycling in a number of countries. The windows are made of fragments of granules and shredded PVC content and are recyclable seven times. Starting from 2015 the PVC compound will be made with lead-free stabilizers. Deceuninck manufactures lead-free stabilisers. The material is also environmentally friendly and readily available. It is also extremely robust and can withstand extreme temperatures.