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Are Cool Roofs Only For California?

As temperatures continue to rise in Oregon & Washington, homeowners are looking for ways to keep their homes cooler without relying on energy-intensive air conditioning systems. One solution that's gaining popularity is the use of solar reflective materials on roofs, which can help keep homes cooler and reduce energy usage. In this article, we'll explore the concept of Solar Reflective Index (SRI) and its benefits for homes in the Pacific Northwest.Typically, these shingles are designed and supplied in California, Arizona, Texas ect. But more frequently we hear customers asking for certified cool roof shingles. Due to Title 24 in California, roof replacements must meet a minimum SRI for installation. There are benefits beyond California for this products though.

What is Solar Reflective Index (SRI)?

The Solar Reflective Index (SRI) is a measure of a material's ability to reflect solar radiation back into the atmosphere. It's based on a scale of 0 to 100, with 0 being the least reflective and 100 being the most reflective. The higher the SRI value, the cooler the material stays in the sun. The SRI rating takes into account the reflectivity of the material, as well as its ability to radiate heat back into the atmosphere. Materials with high SRI values are typically light-colored or reflective, which allows them to reflect more of the sun's energy away from a building.

Why SRI Matters in a Warming Climate

With rising temperatures in the Pacific Northwest, the use of materials with high SRI values is becoming increasingly important. When the sun's energy is absorbed by a building, it can raise the temperature inside, which in turn can increase the need for air conditioning. This can drive up energy usage and increase the carbon footprint of a home. By using materials with high SRI values, homeowners can reduce the amount of solar radiation that's absorbed by their homes, which can keep them cooler and reduce the need for air conditioning. This can lower energy usage, reduce the amount of greenhouse gases emitted by a home, and help homeowners save money on their energy bills.

Benefits of SRI for Homes in the Pacific Northwest

There are several benefits of using materials with high SRI values on homes in the Pacific Northwest. These include: Reduced energy usage: By reflecting more of the sun's energy away from a home, materials with high SRI values can reduce the need for air conditioning, which can lower energy usage and save homeowners money on their energy bills. Increased comfort: Homes with high SRI roofing materials can stay cooler in the summer, which can increase comfort levels for homeowners and their families. Extended roof lifespan: Materials with high SRI values can also extend the lifespan of a roof by reducing the amount of heat that's absorbed by the roofing material. This can reduce the risk of cracking, splitting, or other damage caused by extreme temperature fluctuations. Reduced urban heat island effect: In urban areas, the use of materials with high SRI values can help reduce the urban heat island effect, which is caused by the absorption of solar radiation by buildings and other infrastructure.

As the Pacific Northwest continues to experience rising temperatures, the use of materials with high SRI values is becoming more important for homeowners. By using roofing materials that reflect more of the sun's energy away from a building, homeowners can reduce their energy usage, increase comfort levels, extend the lifespan of their roofs, and reduce their carbon footprint. If you're considering replacing your roof, consider choosing a material with a high SRI rating to help keep your home cooler and more comfortable. Yes, these materials can be installed, but understand that there can be additional freight involved with shipping up these amazing products. Ask your Flow representative to include Cool Roof Options in your quote today. Schedule your free inspection by calling 503-936-2476 or emailing

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