Debris-Free, Sustainable Dense-Pack and Loose-Fill Insulation
TimberFill insulation offers high performance, all-natural attic insulation and cavity wall, floor, and ceiling insulation more homeowners can afford and trust.
The ingredients for the best attic insulation solution are simple. We mill pure softwood chips leftover from sustainable Maine forest management and lumber production into strong, soft fibers and mix in borate to give added protection against fire, mold, and insects, creating loose-fill and dense-pack insulation assemblies proven to regulate temperatures and humidity in even the toughest climates.
Safe for installers and homeowners, TimberFill cavity and attic insulation is also renewable, non-toxic, and arrives at the job site already carbon-negative.
Whether you are seeking dense-pack insulation or attic blanket insulation to improve the performance of an older home or setting out to ensure long-term energy efficiency of a new build, TimberFill loose-fill insulation offers above-grade solutions to protect what matters most.
Pure wood fiber insulation has been perfected in Europe for over 20 years. At TimberHP, we are proud to bring this powerful and proven blown-in insulation technology to North American builders and homeowners. Bring your next project to our experts for an honest conversation about how well wood will work for you.
TimberFill blown in and dense pack insulation combines proven building science and sustainable forestry practices for Passive House High-performance building material 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