Standing Seam Metal Roof R Value

Lttr is a 15 year time weighted method based on customer s insulation needs.

Standing seam metal roof r value.

The cfr exterior profile has a 2 inch high standing seam with a mesa profile. Standing seam 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 insulated metal faced composite panel must be made from.

18 roofing standing seam on insulated metal faced panels skin must provide a minimum pull out value of 50kn for the standing seam fixing clip dynamic testing method. R value of various materials. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. The cfr panel is attached to a building structure with concealed clips to provide continuous insulation and eliminate thermal bridges providing unsurpassed weathertight performance.

Available values range from 5 6 to 27 3. For a very good introductory overview article on r value see r values over at the website of. Colonial seam continuous standing seam metal roof panel with an integral seam. 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.

Thermal performance is measured using derivative of the r value known as the long term thermal resistance lttr method. You should of course see the manufacturer provided technical data sheet for the r value of specific products. The use of berridge manufacturing metal. The interior profile is also a stucco embossed mesa pattern.

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.