Balsam Wool Insulation R Value

We estimate that balsam wool has an r value of about 2 to 3 5 in loose fill and about 2 to 3 25 in batts.

Balsam wool insulation r value.

2 3 5. Which is not too bad for its day. I have the 1 inch balsam wool 2 sided blanket insulation on my attic floor. Aging effects comments.

Which is not too bad for its day. Balsam wool silva wool and kimsul were also less popular insulation materials available in the 1950s. Balsam wool has a r value of about 2 to 3 5 in loose fill and about 2 to 3 25 in batts. Balsam wool to drywall.

Double thick 2 was 63 00 a roll. The pitch piece didn t list any r values and it was made in a standard thickness of 1 double thick 2 full thick 3 and super thick 4. Balsam wool has an r value of about 2 3 5 per inch. Dry loose fill and is about r 2 8 to r 3 8 see insulation r values properties for an extensive table describing the properties of different insulating materials used in buildings.

The issue was the batt were typically only a couple inches thick. Can i just lay new 6 inch fiberglass batts paper free right on top of the existing balsam wool insulation. Insulation values table continued. Insulation or other building material 9.

And there were 270 rolls on a truck. Spills out of wall or roof insulation if facing is cut. I have an old house with the balsam wool insulation in the attic. 0 2 18 30.

It is in excellent condition. The home was built in 1958. Here is a little advertising from the past for balsam wool. We have seen some estimates of an r value of 3 4 per inch for versions of insulation that contain a mixture of wood fibers and chopped paper.

In 1959 rolls of 1 by the truckload cost 44 00 for 100 sq. Balsam and silva wool were made from shredded wood and attached to backing paper. Brick veneer wall air leaks. I wanted to reinsulate the attic.

Balsam wool has a r value of about 2 to 3 5 in loose fill and about 2 to 3 25 in batts. That would give me about a r 21 value remember the older balsam wool insulation has 2 sides of a paper backing. This insulation should be reports and inspected similar to rock wool identify the material measure the depth and look for proper coverage. To compare insulating material r values see our extensive tables.

The issue was the batt were typically only a couple inches thick.