Rigid Foam Roof Insulation R Value

Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and.

Rigid foam roof insulation r value.

When determining how much insulation you need don t guesstimate calculate. 8 3 4 4 8 2 20. Because of this i often get questions about which type of foam board insulation to use and what r values these products provide. Depending on the type of insulation you choose and the desired r value you want for your facility you may need to build up a few layers of insulation.

After the roof deck is ready the rigid foam insulation is installed. All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered. Rigid insulation r value by comparison usually ranges from r 4 0 to 6 5 and may get as high as r 8 7 depending on the insulation material. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.

R 0 77 30 phenolic foam insulation r values. Foamular xps roof insulation for commercial buildings page 5 foamular xps roof insulation for commercial buildings foamular xps insulation is a rigid foam insulation which meets the needs of today s design professionals for a truly sustainable insulation product. Foam board insulation types. 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.

Traditional loose fill insulation such as fiberglass or cellulose has an r value between r 2 0 and 3 5 per inch of thickness. Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same. 4 5 21. With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.

The higher the r value the greater the insulation performance. 4 8 7 21. Rigid insulation is usually made up of fibrous materials or plastic foams. Very good air bypass leak sealing properties.

Know exactly how much you need with our project calculators. I ve written several posts about how to insulation basement walls in which i promote the use of foam board insulation as the first line of defense against moisture and mold. Corrosion problems when in contact with steel roofing moisture. R value measures how well certain building insulation materials can resist heat.

R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems. When it comes to insulation performance the difference is in the details. Products provide superior insulating properties. Foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products choose the strength you need from 15 to 60 psi and exceptional moisture resistance.