How Insulation Works

Insulation in your home provides resistance to heat flow. The more heat flow resistance your insulation provides, the lower your heating and cooling costs. Properly insulating your home not only reduces heating and cooling costs, but also improves comfort. How Insulation Works To understand how insulation works it helps to understand heat flow, which involves…

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Where to Insulation Your Home

This diagram from the United States Department of Energy shows examples of where to insulate. In unfinished attic spaces, insulate between and over the floor joists to seal off living spaces below. (1A) attic access door In finished attic rooms with or without dormer, insulate (2A) between the studs of “knee” walls, (2B) between the…

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Why Insulation Is Important

Insulation is the protective barrier between the conditioned living space inside your home and the “natural elements” outdoors. Most homes in the United States are poorly insulated, older homes being particularly so. New homes are often just equipped with enough insulation to pass inspection. When a home is poorly insulated or there are gaps or…

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