R40 Roofing Insulation

Cold areas require a higher r value like an r 49.

R40 roofing insulation.

The higher the r value the better the thermal performance of the insulation. Eight inches of poor quality insulation may have a higher and better r value than one inch of top quality insulation. The format of house insulation you need depends on where you put it and if you need to control moisture. Layer more insulation over the old for more effectiveness.

Item 654996 model rf40. Insulation ratings are measured in r values per inch of thickness. R value is a measure of insulation s ability to resist heat traveling through it. Insulation level are specified by r value.

The table below shows what levels of insulation are cost effective for different climates and locations in the home. 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. Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same. Owens corning ecotouch r 19 48 96 sq ft single faced fiberglass roll insulation 15 in w x 39 2 ft l.

Keep your space dry with faced insulation. Single ply roof systems can provide an easy to install seamless roof assembly. 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. Plus ecotouch pink fiberglas insulation is greenguard certified to meet stringent indoor air quality standards.

An r value tells you how well a type of insulation can keep heat from leaving or entering your home. 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. Increase your r value by layering insulation. So you need to know an insulation product s thickness as well as its r value in order to compare it to another product.

Insulation r values vary based on the type thickness and density of the insulation material. 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. Rockwool multifix is a mineral fiberglass faced stone wool product that can be installed under many single ply membranes.