Local Pittsburgh Window Installation Specialists You Can Trust
Celebrating Our 45th Anniversary

Patio Doors

People in Pittsburgh love to relax on their decks and patios, and their outside doors receive heavy traffic use. There’s no better way to bring the outdoors in than with the right patio door! Designed to give you the maximum viewing capacity and increased natural light, you wouldn’t know that these same doors are also structurally tough enough to withstand extreme weather conditions and high traffic. Choose a fiberglass hinged and sliding patio door systems featuring high-quality construction that won’t split, crack, or rot like wood. Each patio door comes with generous weather stripping, high performance sills, and insulated energy saving glass for UV ray protection, making a difference in the comfort of your home and your energy bills.

Top Quality Door Manufacturers

Window Installation Specialists of Pittsburgh carries doors from all the leading door manufacturers – Andersen®, Marvin®, Therma-Tru®, Pella®, Simonton® and more. Choose from a wide variety of shapes, styles and sizes to fit most any opening in your home. Gorgeous wood interiors not only can be finished to match your woodwork; they stay looking great with little care. Or choose fiberglass doors that feature all the benefits of a wood door. Built with a solid polyurethane core, our doors offers five times the insulation value of wood and won’t rot, crack, or split like real wood. Or select from the industry’s most comprehensive collection of aluminum-clad doors for your home.