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Do Foam Wall Plate Sealers Really Work?If want a cheap, easy way to lower energy bills in your home, condo, apartment, or building, one of the simplest do-it-yourself improvements is to install foam wall plate sealers behind each electrical wall plate. The purpose behind foam wall plate sealers is to insulate and seal behind electrical outlets & switch plate covers, which will create a barrier against the outdoor, unconditioned air, which penetrates wall cavities. Wall plate sealers work by "sealing in" the conditioned heating and cooling air produced by your HVAC system. In ninety-nine percent of homes that are depressurized with a piece of equipment called a blower door test, the test confirms that ALL electrical outlet and switch plate receptacles (which includes inner walls) introduce outside air since pipes and wires run across interior walls, introducing outside air to enter from your crawlspace, basement, attic, or slab. The penetration of air throughout these wall areas contribute to a cooling and heating loss by as much as twenty percent.
My Home Has Good Insulation. Will Foam Wall Plate Sealers Help in This Case?Unfortunately, insulation does not stop air from penetrating your living space. Insulation is made up of fibers that allow air to pass through it. Insulation serves as a thermal barrier, ( like a blanket) keeping you warm, but allows your body to breathe. Wall plate sealers offer a two-in-one benefit by sealing air and insulating, which provides a greater benefit than insulation alone. Installing socket sealers is an inexpensive, do-it-yourself home impriovement that will more than pay for itself many times over.
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