Balsam wool to drywall.
Balsam wool insulation r value.
Insulation values table continued.
I have the 1 inch balsam wool 2 sided blanket insulation on my attic floor.
That would give me about a r 21 value remember the older balsam wool insulation has 2 sides of a paper backing.
2 3 5.
Brick veneer wall air leaks.
It looks to be double sided with the black facing and about an inch thick brown inside.
The home was built in 1958.
Balsam wool has a r value of about 2 to 3 5 in loose fill and about 2 to 3 25 in batts.
The issue was the batt were typically only a couple inches thick.
Aging effects comments.
This insulation should be reports and inspected similar to rock wool identify the material measure the depth and look for proper coverage.
In 1959 rolls of 1 by the truckload cost 44 00 for 100 sq.
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.
Spills out of wall or roof insulation if facing is cut.
Balsam wool has a r value of about 2 to 3 5 in loose fill and about 2 to 3 25 in batts.
It is in excellent condition.
0 2 18 30.
Balsam wool s r value is about r 2 3 5 per inch cellulose insulation s r value depends on how it was applied wet spray vs.
I wanted to reinsulate the attic.
Balsam wool silva wool and kimsul were also less popular insulation materials available in the 1950s.
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.
Which is not too bad for its day.
Balsam and silva wool were made from shredded wood and attached to backing paper.
To compare insulating material r values see our extensive tables.
Here is a little advertising from the past for balsam wool.
Insulation or other building material 9.
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.
And there were 270 rolls on a truck.
Here is a little advertising from the past for balsam wool.
I have an old house with the balsam wool insulation in the attic.
Can i just lay new 6 inch fiberglass batts paper free right on top of the existing balsam wool insulation.
Balsam wool has an r value of about 2 3 5 per inch.
Which is not too bad for its day.