As your local Orange County Roofing Company we use Owens Corning Insulation Products for top quality service.
If your home is as little as 5 to 10 years old, you likely have one of the 46 million under-insulated homes in the U.S.* But in just a few hours, you can add insulation to meet the recommended guidelines, and start enjoying more comfort and savings right away. Owens Corning makes easy-to-use products specially designed for attics, including EcoTouch® insulation with PureFiber® Technology. It’s made with 99% natural materials and nearly twice the recycled content of other brands. With trusted insulating systems, air sealing, moisture management and sustainable building science, Owens Corning makes it simple to enjoy Complete Energy Performance in your home. *Harvard School of Public Health, 2003
As your local Orange County Roofing Company at Stay Dry Roofing we offer Insulation Installment. Building insulation refers broadly to any object in a building used as insulation for any purpose. While the majority of insulation in buildings is for thermal purposes, the term also applies to acoustic insulation, fire insulation, and impact insulation (e.g. for vibrations caused by industrial applications). Often an insulation material will be chosen for its ability to perform several of these functions at once. All credit goes to Owens Corning for Information above.
In cold conditions, the main aim is to reduce heat flow out of the building. The components of the building envelope - windows, doors, roofs, walls, and air infiltration barriers - are all important sources of heat loss; in an otherwise well insulated home, windows will then become an important source of heat transfer. The resistance to conducted heat loss for standard glazing corresponds to an R-value of about 0.17 m2Ko/W (compared to 2-4 m2Ko/W for glass wool batts). Losses can be reduced by good weatherisation, bulk insulation, and minimising the amount of non-insulative (particularly non-solar facing) glazing. Indoor thermal radiation can also be a disadvantage with spectrally selective (low-e, low-emissivity) glazing. Some insulated glazing systems can double to triple R values.
In hot conditions, the greatest source of heat energy is solar radiation. This can enter buildings directly through windows or it can heat the building shell to a higher temperature than the ambient, increasing the heat transfer through the building envelope. The Solar Heat Gain Co-efficient (SHGC) (a measure of solar heat transmittance) of standard single glazing can be around 78-85%. Solar gain can be reduced by adequate shading from the sun, light coloured roofing, spectrally selective (heat-reflective) paints and coatings and various types of insulation for the rest of the envelope. Specially coated glazing can reduce SHGC to around 10%. Radiant barriers are highly effective for attic spaces in hot climates. In this application, they are much more effective in hot climates than cold climates. For downward heat flow, convection is weak and radiation dominates heat transfer across an air space. Radiant barriers must face an adequate air-gap to be effective.
If refrigerative air-conditioning is employed in a hot, humid climate, then it is particularly important to seal the building envelope. Dehumidification of humid air infiltration can waste significant energy. On the other hand, some building designs are based on effective cross-ventilation instead of refrigerative air-conditioning to provide convective cooling from prevailing breezes.
Information regarding cold & hot insulation climates is credited to wikipedia.org
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