Interior Basement Wall Insulation R Value

Improperly installed insulation such as compressed fiberglass batts stuffed into a cavity reduces the effectiveness of the insulation and thus its r value.

Interior basement wall insulation r value.

A common choice is drywall. Attach the tongue and groove insulation boards to the concrete wall with adhesive. With the correct insulation your basement can stay warmer in the winter by keeping the cold from penetrating your basement walls and cooler in the summer by adding a layer. R value is a measure of insulation s ability to resist heat traveling through it.

Your basement can be notorious as the coldest room in your house. Secondly when installed directly onto basement walls foam provides a continuous layer of insulation without cracks and crevices. Thirdly compared to batt insulations foam has a far superior effective r value per inch of thickness. When using foam insulation on basement walls the building code irc requires r 5 for southern states excluding the deep south and r 10 for the rest of the us.

Keep in mind that any interior rigid insulating panel must be covered by a barrier. Insulation ratings can be improved by adding more layers of insulation. 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. Follow with a 2x4 frame wall and insulate it with batt insulation.

The ideal attic insulation r value is different than the ideal wall insulation r value. However you can stop that by properly insulating it against all of the weather fluctuation outside. 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. Tighter interlocks and recessed studs keep the ex barrier truer and straighter enabling it to bridge over cups bows and other irregularities in.

Recommended home insulation r values. Many energy experts recommend r 15 to r 20 for far northern states. With insofast interior insulation for your basement wall project the r value moisture control features and continuous quality insulation coverage will work to improve the outcome while reducing the difficulty level to diy accessible. The higher the r value the better the thermal performance of the insulation.

The table below shows what levels of insulation are cost effective for different climates and. If you need a solution that goes beyond base level this panel s continuous r value of 10 outperforms traditionally framed r 15 batt walls and provides 20 more insulation than our ux panels. With insofast insulation product lines you can easily add insulation to the interior exterior or both. Achieving greater r values in attics.

Insulation level are specified by r value. Use a premade kit for this type of project. You can mix the type and material of insulation too.