Inspection Training

Balsam Wool, Silvawool, Kimsul Insulation

Balsam Wool, Silvawool, Kimsul are all wood fiber products or cellulose insulation that can be found in 1930’s through 1950’s homes. This insulation was likely to have been treated with a fire retardant. Balsam wool has an R value of about 2 – 3.5 per inch. This insulation should be reports and inspected similar to Rock Wool, identify the material, measure the depth and look for proper coverage.

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