![]() Such systems allow for continuous drying of roofing materials during construction and throughout the life of the structure. Proven Durability: Traditional vented attic assemblies with radiant barriers have a long history of reliable performance. There are other aspects of the radiant barrier vs. LP recommends a minimum of 3/4” air space between the barrier and the foam. Radiant barriers must be installed with an air gap. Can insulating spray foam still be used with radiant barriers? However, radiant barriers, such as LP ® TechShield ® Radiant Barrier, help keep heat from emitting into the attic space in the first place, cooling attic temperatures by up to 30☏. Spray foam has become increasingly popular because of the ease of installation. The code does not recognize any R-value from a radiant barrier. No, radiant barriers cannot replace insulation. Can you use a radiant barrier instead of insulation? Radiant barrier sheathing can provide impressive temperature reductions in attics while also offering structural strength. This will negate the function of the radiant barrier because an air gap is required for the radiant barrier to work properly in reducing radiant heat. Spray foam insulation should never be installed in direct contact with radiant barriers. Do you need insulation with a radiant barrier? It can be made of many different materials, such as spray foam, rigid foam or loose fill. Essentially, it protects in the winter by retaining heat in the home and in the summer by keeping the heat out. Installed throughout a home, insulation regulates the flow of heat. Typically installed in attics, radiant barriers reduce radiant heat transfer and tend to be more effective in warmer climates. Radiant barriers consist of a reflective surface bonded to a sheathing material, such as engineered wood. ![]() What is the difference between radiant barrier and insulation? And it’s likely your customers have questions about the difference between attic spray foam and radiant barrier as well. If you’re a builder weighing the choice between radiant barrier sheathing versus spray foam insulation to reduce attic heat, there are many factors to consider. Research has shown the cooler the attic space, the less time the home’s air conditioning unit must run to keep the living space comfortable. In recent years, homebuyers have shifted toward more energy-efficient homes, a trend you’ve likely discovered in the selections your clients are making including construction materials, finishes and appliances.
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