Timberhp

Wood Fiber Insulation Made in America

11/02/2026

The clocks fell back this weekend, which means shorter days and the start of the real heating season. This is when every gap in the building envelope starts costing money.

Heat leaves a house three ways: through the insulation, around it through the framing, and with air that leaks out through seams and penetrations.

Cavity insulation only handles the first one. Every stud, plate and header is a path for heat to walk right past it, and in a typical wall that framing adds up to a big share of the surface.

TimberBoard wraps the outside of the structure in a continuous layer of wood-fiber insulation, so the framing is covered instead of exposed. Fewer thermal bridges, a warmer wall, and a building that holds its heat through the long nights ahead.

Learn more on our TimberBoard product page:
https://www.timberhp.com/products/timberboard

10/31/2026

Happy Halloween. Here are the scariest things builders find when they open up a wall: mold behind a v***r barrier, batts compressed to half their thickness, gaps big enough to see daylight through, and sheathing that has been wet for years with nowhere to dry.

What is the scariest thing you have ever found inside a wall?
We'll feature the best (worst) story next month.

10/30/2026

Sound control that actually ships.

Facing a material shortage? 3" TimberBatt Acoustic is in stock and ready for your next interior wall. Wood fiber, made in Maine.

Link in bio to contact a sales rep.

10/28/2026

If you’ve been hanging out on our socials for a minute, then we’re sure you’ve seen this project. But we can’t get enough of it.

The team [email protected] has been wrapping the walls of this Grand Manan Island build in our TimberBoard continuous exterior insulation.

Out on the Bay of Fundy, a building has to deal with wind, salt air and moisture coming from every direction. TimberBoard adds a layer of continuous insulation that stays v***r-open, so the wall can dry out instead of trapping moisture.

Thanks to Gena, Aron and the whole Big Dog crew for having .timberhp out to their site. You can see more of the build on Aron’s page .gm

10/26/2026

Project Highlight: Boothbay Harbor, Maine 🌲

Our Territory Sales Manager, Alex Donnelley, stopped by a job site in Boothbay Harbor to check out the crew at Sealit Insulation Systems install 5.5" thermal TimberBatt.

At 5.5", TimberBatt delivers R-22 (third-party verified in ICC-ES ESR-5388). The batts friction fit snugly between studs, so there are no gaps for air to slip through. They’re also v***r open and made right here in Maine from residual wood chips left over from lumber milling.

Thanks to the Sealit team for having us on site, and for building better homes along the coast.

10/24/2026

Every wall gets wet at some point. The question is whether it can dry. A v***r closed assembly can trap moisture between layers, where it sits against the sheathing. A v***r open assembly gives that moisture a path out, in both directions.

TimberBatt runs at 46 perms per inch and TimberBoard is v***r open too, so the whole wall can dry instead of hoping it never gets wet. Watch the animation for how moisture moves through our full wood fiber assembly.

***ropen

10/22/2026

Fire safety doesn’t have to come with a chemical tradeoff.

TimberBatt is treated with natural borate, a mineral salt, and that’s how it earns an ASTM E84 Class A rating for flame spread and smoke development. Class A is the highest rating in that standard, and we get there without synthetic flame retardants.

What that means for your project: code-ready fire performance, plus insulation that’s GREENGUARD Certified and Red List Free. Safer walls, cleaner air, no compromise.

10/20/2026

TimberBatt friction-fits right into the stud bay and dampens sound between rooms. That makes it a great fit for bedrooms, home offices, bathrooms, and media rooms. At 3.5", it has an NRC of 1.15, and tested wall assemblies reach STC 50+.

10/18/2026

What does a Grade I install actually look like?

Every cavity filled completely, edge to edge, with no gaps, no voids and no compression. TimberBatt friction fits snug against the framing and holds there while the next trade works around it, which makes that standard a lot easier to hit.

Swipe to see the satisfaction of a job well done.

10/16/2026

October is Energy Awareness Month, so let's talk about where a house really loses energy. It is not just through the insulation.

1. Air leaks. Air gets through seams, joints and penetrations and takes heat with it. Fix: TimberBoard act as a continuous air control layer.

2. Thermal bridging. Heat escapes through studs that the cavity insulation never covers. Fix: TimberBoard covers the whole face of the wall, studs included.

3. Gaps and voids. Batts that don’t fully fill the cavity leave open paths at the edges and top. Fix: TimberBatt friction-fits edge to edge against the framing.

4. Compression. A batt squeezed around wiring or blocking gets thinner and loses performance. Fix: TimberBatt cuts cleanly to fit around wiring instead of being stuffed in.

Address

1 Main Street
Madison, ME

Website

http://www.timberhp.com/

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