A radiant barrier (materials usually consisting of a thin sheet or coating of a highly reflective material) reflects up to 97% of the “radiant” energy which comes from the sun. Radiant energy is generated by the sun and travels through space and does not create any heat until it strikes an object. This energy would normally conduct through your roof, radiate to your insulation and then into your home. By applying Radiant Barriers to the underside of your roof deck, you can lower your utility bills and increase your comfort.t source for Houston Energy Efficiency and Houston Radiant Barriers.
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A good example of “radiant energy” is when you stand in the sun on a hot day, the air temperature is essentially the same in the sun and the shade however, you are a lot hotter in the sun. The shade tree is blocking the radiant energy, making you more comfortable. We are the bes
FACTS:
- Heat only flows when there is a difference in temperature and it always
flows from the higher temperature to the lower temperature level.
(Heat loss in winter, heat gain in summer)
- If you have a 2 story home with one air conditioning unit, the result can be dramatic.
- If you work in your garage and do not air condition it, you can enjoy up to approximately 20 degree lower temperatures during the day by adding Radiant Barriers.
INSTALLATION METHODS
Radiant barriers are materials that are installed in buildings to reduce summer heat gain and winter heat loss, and hence to reduce building heating and cooling energy usage. The potential benefit of attic radiant barriers is primarily in reducing air-conditioning cooling loads in warm or hot climates.
Radiant barriers usually consist of a thin sheet or coating of a highly reflective material, usually aluminum, applied to one or both sides of a number of substrate materials. These substrates include kraft paper, plastic films, cardboard, plywood sheathing, and air infiltration barrier material. Some products are fiber reinforced to increase the durability and ease of handling. Radiant barriers can be used in residential, commercial, and industrial buildings. We exclusively use the HeatBloc-75 radiant barrier.
HeatBloc-75 radiant barrier coating is a water-based, low emissivity (low-e) product and an excellent replacement for foil or metallized plastic film radiant barriers. In many situations, HeatBloc-75 is the only economical way to retrofit a radiant barrier since it may be safely applied in enclosed areas at a low cost.
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