The R-values of most steel and fiberglass-clad entry doors range from R-5 to R-6, excluding a window. If installed correctly and not bent, this type of door needs no further weatherstripping. It usually includes a magnetic strip (similar to a refrigerator door magnetic seal) as weatherstripping.
#STORM DOORS WITH SCREENS REVIEWS SKIN#
One common type of exterior door has a steel skin with a polyurethane foam insulation core. The lower the U-factor, the better the door keeps in heat. SHGC measures how well a product keeps out solar heat. Look for a low SHGC in a climate that mainly requires cooling and a high SHGC in a climate that requires heating. The label shows the solar heat gain coefficient (SHGC) and U-factor for the door. Learn more about the NFRC label. The National Fenestration Rating Council (NFRC) label helps you compare energy performance ratings of doors. This will help narrow your selection. Look for the ENERGY STAR label to help identify energy efficient products for your climate. When selecting doors for energy efficiency, it's important to first consider their energy performance ratings in relation to the local climate and your home's design. If you're building a new home, you should consider buying the most energy-efficient doors possible.
If you have older doors in your home, replacing them might be a good investment, resulting in lower heating and cooling costs. New exterior doors often fit and insulate better than older types.
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