Recommended R Value For Basement Floor

Zones 3 and 4 include the midwest and northern regions requiring r 10 to r 19 values.

Recommended r value for basement floor.

Basement floors r 10 rsi 1 8 basement walls r 12 rsi 2 1 above grade walls r 20 rsi 3 5. To keep moisture and mold away this underlayment is treated with microban and includes airguard technology to promote airflow with embedded polyshims that prevent compression and allow moisture vapor to escape. R values of different flooring materials. These numbers will vary from material to material.

For radiant floor heating you want the total r value to be as low as possible lower than 4 0. The list below gives recommended levels of insulation for the main areas of the home. For improved comfort moisture control and radon reduction apply a moisture barrier to the floor or seal the floor to prevent moisture accumulation between the insulation and the slab. Recommended home insulation r values.

The r values of the carpet and padding add together for a total r value. R values of different flooring materials. The airguard 5 in 1 floor underlayment is an ideal option if you re shopping for floor underlayment for laminate. If veiwing this page on a phone it s best to turn the phone to view in landscape mode r values of flooring materials.

The higher the r value the better the thermal performance of the insulation. This two inch thick piece of wood and the siding covering it are all that separates the interior of the basement from the outdoors. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.

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. As most heat is lost through the upper part of the foundation walls basement floor slabs are seldom insulated. Minimum recommended insulation levels. 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.

R value is a measure of insulation s ability to resist heat traveling through it. Basement insulation recommended r values by climate. Make sure that any water pipes are kept on the warm side of the insulation to prevent freezing in winter. Values are shown in both imperial r and metric rsi units.