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 Other alternatives are made of a polyurethane foam insulation core - offering six times the energy efficiency of wood - faced on both sides with vinyl or aluminum. These typically cost for a 6-foot-wide door. All well-made nonwood doors are designed with thermal breaks (separations between indoor and outdoor surfaces that block the conduction of heat or cold.) Glazing options Of course, the largest part of a glass sliding door is glass. To make a door truly energy efficient, high-performance glazing is key. Fortunately, this is standard with most high-quality sliders. You''ll find double-paned glass with low-E (low energy) coating and, in some cases, argon gas filling. Low-E reduces heat transfer and protects against ultraviolet damage; argon gas filling provides greater insulation. Some manufacturers let you specify the glazing you want when you order. Where sun-caused fading or damage can e a serious problem, you may want to andersenwindowsanddoors opt for glass with a solar bronze or solar gray tint to reject ultraviolet rays. In addition, some companies offer decorative stained or beveled glass with true brass caming (leading). For bathrooms or other places where privacy is a concern, obscure glass is available. Therma-Tru doors, which are made of fiberglass, have redefined the traditional andersenwindowsanddoors concept of high-performance building supplies. The company pioneered the polyurethane foam core, now CEC-free, which offers five times greater insulation value than wood doors. Therma-Tru is also the first exterior door manufacturer to feature a full thermal break which prevents the transmission of heat and cold through the surface. Our doors are made of fiberglass so they won''t dent, crack, split or splinter, which means they eliminate callbacks for you. Therma-Tru recognized the need for a more durable, highly efficient door. In 1983, it introduced the first door, the Fiber-Classic. The door became so popular that today, Therma-Tru offers three door lines including fiberglass Classic-Craft, Fiber-Classic and Smooth-Star. For the builder and the customer, there''s a Therma-Tru door to add style and curb appeal to every home whether it''s the ultimate luxury residence or a starter home. Beautifully detailed, Classic-Craft and Fiber-Classic doors look and feel just like wood. Their durable fiberglass surface features a rich red oak grain, but unlike wood doors they don''t come saddled with inherent maintenance problems. Plus, they''re backed by a lifetime-limited warranty. Now the nation''s leading producer of steel doors, andersenwindowsanddoors Therma-Tru helped build the market for that product category. The effectiveness of that pioneering effort is reflected in the market share steel currently holds. For the past two decades company has focused its commitment to quality fiberglass and innovation on doors, the fastest-growing segment within the exterior door category. We were interested in differentiating andersenwindowsanddoors ourselves from the rest of the market -- that''s the only way to be profitable in the long term recalling hiscompany''s motivation for pursuing fiberglass. Therma-Tru recruited a ream of engineers and assigned them the mission of developing a new product that would andersenwindowsanddoors put perform both wood and steel. The team blended fiberglass and resins to invent a sheet-molding compound, as well as the tooling to transform those supplies into a door skin. After extensive laboratory and field testing, the fiberglass industry''s first door hit the market: the Fiber-Classic. Manufacturers and distributors of fiberglass doors. Visit our site today to see how we can enhance your home’s appearance and reduce energy costs. We specialize in combining quality and functionality with beauty and elegance.
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