The Series 800/850 Vinyl Patio Door for replacement packs a powerful DP-45 rating, is made of sturdy, multi-chambered vinyl and has a self-lubricating vinyl frame and adjustable tandem bearings to ensure that the door always operates smoothly, is virtually maintenance free- giving you long lasting performance.
1" insulated glass, a fusion welded frame and sash and weatherstripped interlocks allowing light in, while keeping out unwanted drafts and noise. Its installation could not be easier, as it comes from the factory fully assembled, complete with a spring loaded heavy-duty screen. The removable nailing fin adds to the ease, along with snap-in glazing beads making replacement quick and easy in the unlikely event of glass breakage.