[Wood Conversion Co.] A trademark for an insulation made from shredded wood. First made in the 1920's by Forest Weyehaeuser, balsam wool insulation contained wood fibers treated with borax (fire-retardant) and asphaltum (for loft) then sealed in kraft paper.
Synonyms and Related Terms
Forest Weyerhaeuser Balsam Wool Sealed Insulation
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 389
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Website address 1 Comment: Phil Hardwicke on Bob Vila website at http://www.bobvila.com/wwwboard/messages/127078.html