R40 Roofing Insulation
Insulation ratings are measured in r values per inch of thickness.
R40 roofing insulation. Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same. So you need to know an insulation product s thickness as well as its r value in order to compare it to another product. The table below shows what levels of insulation are cost effective for different climates and locations in the home. R value is a measure of insulation s ability to resist heat traveling through it.
Owens corning ecotouch r 19 48 96 sq ft single faced fiberglass roll insulation 15 in w x 39 2 ft l. Item 654996 model rf40. The format of house insulation you need depends on where you put it and if you need to control moisture. Cold areas require a higher r value like an r 49.
Keep your space dry with faced insulation. Layer more insulation over the old for more effectiveness. Increase your r value by layering insulation. Ecotouch pink fiberglas insulation friction fit batts are easy to install and available in a full range of r values r 12 through r 40 offering you outstanding thermal and noise control solutions for every project in.
Savings vary depending on the original amount of insulation in your home climate house size air leaks and personal energy use and living habits br br made with a minimum of 96 by weight natural materials consisting of minerals and plant based compounds. A recent mckinsey co. Single ply roof systems can provide an easy to install seamless roof assembly. An r value tells you how well a type of insulation can keep heat from leaving or entering your home.
Insulation r values vary based on the type thickness and density of the insulation material. Insulation level are specified by r value. The same insulation will hold more heat the thicker it is installed. Improved insulation is a good step toward improving building efficiency particularly since the atlanta based american society of heating refrigerating and air conditioning engineers ashrae increased minimum roof insulation levels in 2007 in its standard 90 1 the first increase in 18 years and if that isn t enough to spur someone into action.
The higher the r value the better the thermal performance of the insulation. Choose rigid insulation wisely and consider the effect its characteristics will have on the performance of the your project overall product cost and the best way to get the bang for your buck. Single ply roof insulation.