Interior Wall Insulation R Value

For a higher r value the insofast exi 2 5 panel at 2 inches thick is a great choice.

Interior wall insulation r value.

The higher the r value the better the thermal performance of the insulation. Recommended insulation levels for retrofitting existing wood framed buildings. Fitting your interior walls floors and ceilings with our insulation panels will absorb sound provide better moisture control and help lower your energy bills. Insulation level are specified by r value.

Along with knowing the r value of a particular insulation it is also important to calculate the r value of a total system. For example a wall with 3 fiberglass batting r value of 10 8 11 9 may have an overall r value of nearly 14 because of siding sheathing and drywall. This panel s continuous r value of 10 outperforms traditionally framed r 15 batt walls and provides 20 more insulation than our ux panels. Try the r value calculator available through oak ridge.

Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value. Insulation r values vary based on the type thickness and density of the insulation material. While there are additional considerations such as venting and moisture problems to take into account when you insulate under floors the united states department of energy recommends an r 25 rating in cold climates and an r 11 in warmer parts of the country. Sprayed foam insulation in the same wall cavity can range from an r 14 to an r 28 depending on the product that is used.

Call insofast today at 888 501 7899 to learn more about r value and interior wall insulation. R value is a measure of insulation s ability to resist heat traveling through it. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. An r value tells you how well a type of insulation can keep heat from leaving or entering your home.

Additional r value for a masonry wall constructed using these materials needs to add the insulating value of additional wall components typically included such as 1 solid foam polyisocyanurate r 8 extruded polystyrene r 5 expanded polystyrene r 4 or 1 of perlite r 2 7 and for an exterior air film winter no wind r 0 17 an interior. Typically a higher insulation r rating means better climate control and better energy.