Standing Seam Metal Roof R Value

You should of course see the manufacturer provided technical data sheet for the r value of specific products.

Standing seam metal roof r value.

The interior profile is also a stucco embossed mesa pattern. R value of various materials. The per square foot cost of a premium metal roof is 9 58 with a comparable asphalt shingled roof s march 2012 per square foot cost being 3 41. Clipless one piece positive locking standing seam panel that provides a timeless roof appearance.

Contemporary metal roofing has a 50 year rated. Sri measures the roof s ability to reject solar heat defined such that a standard black reflectance 0 05 emittance 0 90 is 0 and a standard white reflectance 0 80 emittance 0 90 is 100. Incorporates both solar reflectance and thermal emissivity in a single value. Colonial seam continuous standing seam metal roof panel with an integral seam.

Standing seam systems. Higher cost one of the most significant drawbacks to standing seam metal roofing is the fact that is can be more expensive when compared to other metal roofing types especially exposed fastener systems. However it s not always the highest price as metal shingles and other stamped metal materials tend to come in at a higher price even. The cfr exterior profile has a 2 inch high standing seam with a mesa profile.

The use of berridge manufacturing metal. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. Thermal performance is measured using derivative of the r value known as the long term thermal resistance lttr method. For a very good introductory overview article on r value see r values over at the website of.

Available values range from 5 6 to 27 3. Lttr is a 15 year time weighted method based on customer s insulation needs.