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Attic insulation including fiberglass insulation, cellulose insulation, or spray foam insulation in your home provides resistance to heat flow. The more heat flow resistance your insulation  provides, the lower your heating and cooling costs. EcoMaster offers spray foam insulation, fiberglass insulation, cellulose insulation and rigid board insulation. Properly insulating your home not only reduces heating and cooling costs, but also improves comfort.

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Attic Insulation Services for the Raleigh, NC, Area

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EcoMaster LLC Insulation Contractors

For Comfortable, Healthy, Efficient Homes

How Insulation Works


Heat flows from warmer to cooler until there is no longer a temperature difference. In your home, this means that in winter, heat flows directly from all heated living spaces to adjacent unheated attics, garages, basements, and even to the outdoors. Heat flow can also move indirectly through interior ceilings, walls, and floors -- wherever there is a difference in temperature. During the cooling season, heat flows from the outdoors to the interior of a house.

To maintain comfort, the heat lost in the winter must be replaced by your heating system and the heat gained in the summer must be removed by your cooling system. Properly insulating your home will decrease this heat flow by providing an effective resistance to the flow of heat.

R Values

An insulating material’s resistance to conductive heat flow is measured or rated in terms of its thermal resistance or R-value -- the higher the R-value, the greater the insulating effectiveness. The R-value depends on the type of insulation, its thickness, and its density. Installing more insulation in your home increases the R-value and the resistance to heat flow. An EcoMaster consultant will help you to determine how much insulation you need for your home.

Also, remember that air sealing and moisture control are important to home energy efficiency, health, and comfort.