For a very good introductory overview article on r value see r values over at the website of.
Firestone roofing r value.
Firestone iso 95 gl polyiso insulation has a higher r value than other insulation products while also outperforming competitive polyiso at low temperature.
Because it s highly energy efficient with the highest r value ratings per inch the use of iso 95 gl insulation in a firestone roofing system provides a cost effective solution for today s oof design r challenges and is preferred for any and every roofing system.
Firestone iso 95 gl insulation offers high energy efficiency through the r value ratings per inch versus other insulation materials.
Since 1980 firestone roofing systems have been installed on hundreds of thousands of roofs worldwide.
Firestone building products sales.
Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials.
To learn more about our roofing systems click on one of the product boxes below.
Backed by a 30 year warranty it delivers.
Firestone building products is a leading manufacturer of high performing roofing systems for commercial industrial and residential roofing applications.
Compatible with all types of commercial roofing systems the lightweight easy to handle insulation is especially suited for direct application on fm approved and ul classified steel roof deck assemblies.
Platinum tpo firestone ultraply platinum tpo is a thermoplastic roofing system you can trust to perform.
Firestone s pvc systems include highly reflective roofing membranes uv inhibitors high performance watertight heat welded bonds and exceptional resistance to harsh environments.
Firestone iso 95 gl insulation the highest thermal ratings.
Firestone has been committed to offering a complete line of high performing roofing solutions as individual as your building.
The new formulation is equipped with the highest r value per inch in cold temperatures making it the best performing polyiso on the market in cold temperatures.
Recycled content inches mm inches mm post consumer post industrial total 0 5 12 70 2 9 1 50 38 10 52 15 67.
R value of various materials.
Firestone pvc single ply membrane formulation is a durable long term commercial roofing solution that has been providing quality performance in market for 30 years.
Suitable for a variety of low slope commercial roofing applications firestone ultraply tpo roofing membrane is a sustainable roofing solution for a wide range of building types.
You should of course see the manufacturer provided technical data sheet for the r value of specific products.