Closed Cell Foam Pad R Value

If you want to install spray foam in a stud wall and price is no object then it would seem to make sense to specify closed cell spray foam right.

Closed cell foam pad r value.

Open cell spray foam has an r value of about r 3 7 per inch while closed cell spray foam has an r value that may be as high as r 6 5 per inch. Two inches of closed cell foam will provide r12 r14 of insulation. Because r value is additive consider using a closed cell foam pad underneath an insulated moderate or high r value air pad or self inflating pad. Closed cell foam has a higher r value than open cell foam usually about 6 0 per inch.

The durable closed cell foam pad adds insulation and helps protect the inflatable pad from punctures or other damage. Camping on snow also requires more insulation. Closed cell foam r6 r8. Open cell spray foam has an r value of about r 3 7 per inch while closed cell spray foam has an r value that may be as high as r 6 5 per inch.

In such circumstances i will often double up carrying both a closed cell foam mat in addition to a lightweight inflatable. If you want to install spray foam in a stud wall and price is no object then it would seem to make sense to specify closed cell spray foam right. A sleeping pad r value measures a sleeping pad s ability to prevent heat loss to the ground when you lie on it at night. They sport an r value of 6 0 8 0 per inch of insulation about double their open cell foam counterparts.

And keep in mind that you can always use a layered set up a 3 season air pad and a lightweight closed cell foam pad for example which lends versatility in addition to warmth. This higher rating makes closed cell foam better at keeping heat in or out of a structure. R value measures a mat s resistance to heat flow. But some closed cell foams like tiger foam s e84 closed cell formula have even higher ratings that go up to almost 7 per inch.

Pads with higher r values do this more effectively than pads with lower r values. The higher the r value the more insulation the sleeping mat will provide. Though it is less durable in comparison to traditional pads and its ridged surface may not be liked by everyone. Closed cell spray foams are between 2 and 4 lbs.

But in the end if you don t mind the added weight or cost a sleeping pad with a higher r value is certainly a nice piece of gear to own. Just like for open cell foam r values are additive.