Recommended R Value For Basement Floor
The r values of the carpet and padding add together for a total r value.
Recommended r value for basement floor. Minimum recommended insulation levels. 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. 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. 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.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. 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. Recommended home insulation r values. R value is a measure of insulation s ability to resist heat traveling through it.
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 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. Insulation level are specified by r value.
Values are shown in both imperial r and metric rsi units. If veiwing this page on a phone it s best to turn the phone to view in landscape mode r values of flooring materials. As most heat is lost through the upper part of the foundation walls basement floor slabs are seldom insulated. Generally zones 1 and 2 cover the southern states which suggest no necessary values to r 10 for basement walls.
The higher the r value the better the thermal performance of the insulation. R values of different flooring materials. Basement insulation recommended r values by climate. The airguard 5 in 1 floor underlayment is an ideal option if you re shopping for floor underlayment for laminate.
The department of energy provides a service to determine the exact r value required based on zip code and type of heating fuel. The list below gives recommended levels of insulation for the main areas of the home. 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. Zones 3 and 4 include the midwest and northern regions requiring r 10 to r 19 values.