Science Of Roofing Shingles

Then they ll also shed some of that heat into buildings.

Science of roofing shingles.

In ashrae fundamentals 2001 15 lb asphalt felt has a wet cup permeance of 5 6 and 15 lb tar felt is 18 2 perms. The demarcation between regions that require the control of condensing surface temperatures and regions that do not can be obtained by using the hygro thermal zones. The science of roofing. These shingles are available in all the popular colors.

Our technical chemical and engineering expertise is second to none when it comes to the roofing industry. And that could cut home cooling bills. Consumer reports just finished its first comprehensive review of asphalt roofing shingles in more than a decade and found that the best of the batch are more than twice as strong as the competition. A new coating can help shingles reflect more of the sunlight that heats them up.

For more than a century gaf has pioneered development and manufacturing of high performance residential and commercial roofing products through advanced r d and real world scientific programs. Wood shingles or shakes require a minimum 1 4 inch vented airspace that separates the shingles shakes and the roofing felt placed over the roof sheathing for similar reasons. Beyond the impressive curb appeal they also come with the advanced performance of patented surenail technology a technological breakthrough in roofing. Trudefinition duration shingles are specially formulated to provide dramatic color contrast and dimension to any roof.