![](http://www.alamy.com/thumbs/6/947DFEBB-527C-471F-93BE-73C97D885E5F/G05F08.jpg)
Cross section of a uPVC window or door
Size: 5616px × 3744px
Photo credit: © Mihajlo Maricic / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: aluminum, architecture, chloride, close, close-, construction, cross, door, efficiency, energy, frame, glass, home, industry, insulation, interior, isolated, isolation, manufacturing, material, modern, plastic, polyvinyl, profile, pvc, rigid, section, siding, structure, thermal, unplasticized, upvc, vinyl, window