Product Description
Features
TimberFill blown in and dense pack insulation combines proven building science and sustainable forestry practices for code-compliant installs, offering the best insulation solution for attics, ceilings, floors, and walls.
- American-made from wood chips leftover from sustainable forest harvesting and lumber production
- Proven long-term R-value
 Perfected in Europe for over two decades and tested to exceed US standards, wood fiber insulation helps reduce the heating and cooling loads of buildings. TimberFill offers cavity insulation R-value in dense pack applications and loose fill insulation R-value in attic installs.
- Fire resistant
 Achieves ASTM E84 Class A flame and smoke spread performance through the introduction of borate as a flame retardant
- Carbon-smart technology
 TimberFill is carbon-storing and arrives at the jobsite carbon-negative
- Moisture managing
 TimberFill is vapor open, allowing indoor humidity to work its way out of the built environment to prevent issues with mold and rot. TimberFill can absorb and later release moisture to better balance humidity levels and prevent moisture build up.
- Superior sound dampening
 TimberFill absorbs and softens sound to create a more serene home, offering industry-leading acoustic performance in a variety of applications
- Better blown-in coverage
 More insulating power per pound, saving energy and installation costs
- Structure that won’t settle
 Lofted, interlocking loosefill insulation fibers reduce air pockets and resist slumping to provide better coverage
- Safe to install, safe for your family, safe for the planet
 
General Insulation Company is a B2B distributor – supplier with over 50 locations across the U.S. that stocks a variety of fiber products and accessories for commercial, industrial, and residential construction markets.





