Available NOW!


  • ~R-3.8 per inch
  • Cavity insulation in stud walls and between rafters & joists
  • Loose fill blanket insulation for attics
Learn More
Available NOW!


  • R-4 per inch
  • Thermal cavity insulation between studs, rafters, trusses and joists
  • Unparalleled acoustic insulation walls, floors, and ceilings
Learn More
Coming Q4 2024


  • R-3.4 to 3.7 per inch
  • Exterior continuous insulation with high compressive strength
  • Interior insulation for walls, floors, and ceilings
Learn More

what’s in a name?

High Performance

Building envelope, thermal, and acoustic solutions

A comprehensive, above-grade product line to create wind-tight, vapor-open assemblies offering stable, long-term R-values, improved temperature stability, and premium sound protection.

Healthy Planet

Recyclable, renewable, non-toxic, and carbon negative

Made from residual wood chips to
maximize the use of our renewable forest resource. As a high-value insulator with a negative carbon footprint, reduces a building’s global warming potential on day one and everyday it operates.

Healthy people

Moisture managing, safe, and sound absorbing

Installers benefit from the absence of dangerous fibers that harm skin and negatively impact air quality. Leads to the creation of safe, quiet indoor habitats, free of airborne toxins and trapped humidity.

what’s in a name?

Why Wood Fiber Insulation

We all want a healthy, high performance building design—homes that stand strong against the elements, save energy costs, and keep loved ones safe. TimberHP wood fiber insulation puts affordable, sustainable building materials within reach.

Made from abundant, renewable Maine wood. Proven performance in the toughest conditions. Technology perfected for over 20 years in Europe. Safe to touch and breathe. See how all-natural TimberHP building envelope solutions create healthier living environments and make sustainable construction more affordable and accessible.


Pure wood fiber insulation has been perfected in Europe for over 20 years and American builders and homeowners are discovering how safe and easy it is to cut, handle, and install—and just how well it works. TimberHP high performance construction materials leverage strong envelope solutions with responsible forestry to offer you carbon-smart insulation for the built environment. Explore the advantages and applications of our renewable, recyclable, energy-efficient building materials throughout our collection of Resources:

Icon libraryIcon libraryTechnical Library Icon videoIcon videoVideo Library Icon blogIcon blogOur Blog: Beyond R-Value Icon faqIcon faqWood Fiber FAQ

Where To Buy

TimberHP brings wood fiber insulation to you through distributors you can trust. Take your next project to one of our sales partners for honest insight into performance, pricing, and products.


  • COA Davis Center wins architectural award

    COA Davis Center wins architectural award

    Originally published by the College of the Atlantic on July 18th, 2024 The AIA cites the building’s sustainable design and thoughtful approach to the unique ecology of the site. A […]

View All News


Visit Our Blog

About TimberHP

TimberHP transforms abundant American wood fiber into energy-efficient building materials for people and our planet. And by supporting the historic Maine lumber industry and environmentally sound manufacturing, we can build more than healthier homes—we can revitalize our communities.

TimberHP grew out of a partnership between two entrepreneurs—Matthew O’Malia, an award-winning architect with a reputation for developing high-performance, cost-competitive designs; and Dr. Joshua Henry, a materials chemist with years of experience elevating solutions to conserve energy and produce renewable energy.  

Learn More