Sliding windows operate horizontally along a plastic or metallic monitor. They may have two sashes; just one or each may be opened and shut. The door you convert might be two" inches narrower than the first window aperture. The standard door width (broad adequate for a wheelchair) is 32" https://window-company-near-me32087.onesmablog.com/the-greatest-guide-to-wood-replacement-windows-57050232