R value of various materials.
R value of tpo roof membrane.
Gaf analyzed membrane samples from roofs across the us and studied thickness over scrim surface cracking and the ability to repair aging tpo membranes.
Across the us homeowners who installed a tpo roof membrane report spending about 5 6 75 per square foot.
Thermoplastic polyolefin tpo single ply roofing membranes are among the fastest growing commercial roofing products and have gained praise across the industry for their many performance and installation advantages.
However problems with the membrane formulation are a source of many issues.
A single ply roofing system tpo or epdm has a 0 24 0 33 r value with a typical installed thickness level therefore you ll need considerable thickness of insulation to get you to an r 30.
For a very good introductory overview article on r value see r values over at the website of.
As demand increases for heat reflective and energy efficient roofing systems you can rely on tpo single ply roofing membranes to.
Please note that the r values for roof membranes shingles tiles air films and roof deck materials might or might not be permitted by your local code to be included when total roof assembly r value is being calculated for the purpose of satisfying energy code requirements.
You should of course see the manufacturer provided technical data sheet for the r value of specific products.
Geographic location more expensive areas will have overall higher labor.
Tpo roof system life expectancy 7 to 20 years.
Gaf analyzed membrane samples from roofs across the us and studied thickness over scrim surface cracking and the ability to repair aging tpo membranes.
Roofing m em brane provides the benefits of all three m aterials.
A recent study of everguard tpo roofs installed between 8 and 16 years ago found they all performed above astm standards for newly manufactured tpo.
On a 1 600 sq ft.
Always check with your local code authority.
This is equivalent to 8 000 10 800 keep in mind that your total cost may be higher or lower depending on a number of important factors including.
Material and installation costs.
Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials.
A recent study of everguard tpo roofs installed between 8 and 16 years ago found they all performed above astm standards for newly manufactured tpo.
Tpo 45 mil membrane tpo 60 mil membrane tpo 80 mil.
Dim ensions and w idths are nom inal values and are subject to norm al m anufacturing packaging tolerance and variation c olors f u ll r oll s ize f u ll r oll w eigh t h alf r oll s ize h alf r oll w eigh t.
All data represents tested values.
