How To Get A Cool Roof

Roofing materials and their combined effects on temperature.

How to get a cool roof.

10 ways to cool your roof 1. According to the u s. Specialized roof coatings are available in a wide range of materials and can help a flat roof reflect up to 90 percent of solar heat. That means your roof can easily heat up to 150 f throughout the duration of a typical 90 f summer day.

Learn more below about these cool roofs and how to make your flat roof reflect heat more efficiently. If you want to convert an existing roof into a cool roof you have three basic options. All of these types of residential roofing products are now available with ir reflective color pigments which act to reduce the temperature of roofs and reflect heat away from the home. Rooftop gardens shade the buildings below from direct sunlight and reduce both surface.

Get a little misty eyed. Department of energy a conventional roof without inherent cooling properties can reach temperatures up to 50 f hotter than the actual temperature outside. Historically cool roofs have been either white. A cool roof is a roof that has been designed to reflect more sunlight and absorb less heat than a standard conventional roof.

There are two ways asphalt shingles can meet cool roof code requirements in california exceed a minimum solar reflectance. Trade out your old heat trap of a roof for a cool tile roof. Residential roofing options include asphalt shingles metal clay tiles and concrete tiles. Primary factor is the material s ability to reflect the sun s energy.

This effectively regulates heat absorption and temperature keeping your building warm or cool depending on the season. If you get a chance to replace your ceiling then you should consider installing a layer of foam insulation under your roofing is ideal. Reflectance factor means the roof will stay cooler. Solar reflectance is represented as a number like 0 25.

This is ability of the shingle to reflect the sun s energy from its surface back into the atmosphere. When used along with a pvc laminate roofing system you can get the most efficient energy consumption for your building. Retrofit the roof with specialized heat reflective material re cover the roof with a new waterproofing surface such as tile coating replace the roof with a cool one. Back into the atmosphere solar reflectance.

The cool roof rating council was created in 1998 to develop accurate and credible methods for evaluating and labeling the solar reflectance and thermal emittance radiative properties of roofing products and to disseminate the information to all interested parties.