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, hollowmetaldoorsandframes 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 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 have extremely strong brand name recognition with homeowners -- which translates into greater recognition for the builders who use their product. Builders know they can turn to Therma-Tru catalog of Doors to build a new home with curb appeal that starts at the door for the front. Today''s most successful builders demand doors that can withstand the wear and tear that occurs both during installation and over time. hollowmetaldoorsandframes The ability to stand up to hollowmetaldoorsandframes these demands is one of the main reasons builders are increasingly turning away from wood and steel and selecting doors for the interior. Eliminating builder callbacks, doors save time and money in the repair and maintenance of wood and steel doors.

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