Product DescriptionNameUPVC/PVC CASEMENT WINDOWProfile BrandHuazhijieWindow SizeCustomizedColorWhite,wood colour,etcProfile Thickness2.0,2.2 ... . This is further enhanced by designing multiple chambers inside the window profiles, allowing them to trap air and create a thermal ... With both timber and aluminium frames, the seals are added in afterwards. Joints can also shrink back over time, causing gaps ...