Accu-Weld is an industry leader of vinyl window and door product lines. An Arch America Company, Accu-Weld creates its own vinyl extrusions, hardware manufacturing and window/ door production from start to finish at our Bensalem, Pa. facility. We are constantly striving to provide only the highest-quality materials. That is why we often partner with affiliate companies for research and development projects to continually upgrade current safety and energy-efficiency ratings that will surpass those of our competition