Knowledge Hub

ThermBoard® Resources

Everything you need to specify, install, and get the most out of ThermBoard® rigid insulation — from technical guides and comparison charts to installation tips and project inspiration.

Featured Resources

Start with our most popular resources — used by builders and contractors across North America.

Technical Resources

Detailed technical information to help you specify and install ThermBoard® correctly on every project.

Quick Reference Guides

Fast answers to the most common ThermBoard® questions from builders and contractors.

📐

Which thickness do I need? FAQ

ThermBoard® is available in 3.5 inch (R-13.3), 5.5 inch (R-21), and 7.5 inch (R-28.5). Choose based on your climate zone and energy code requirements. Contact our team for a free specification recommendation.

🔧

How do I install ThermBoard®? Installation

ThermBoard® panels cut cleanly with a standard utility knife or saw — no special tools, no PPE, no cure time. Panels can be adhered, mechanically fastened, or friction-fit depending on the application.

💧

Is ThermBoard® moisture resistant? Technical

Yes — ThermBoard® rigid boards are highly resistant to moisture absorption. Unlike fiberglass, ThermBoard® maintains its full R-value even in humid conditions, basements, and exterior applications.

📦

What is the minimum order quantity? Ordering

There is no minimum order — buy exactly what your project needs, from a single panel to a full truckload. All orders ship within 48 hours of placement.

How long does ThermBoard® last? Durability

ThermBoard® rigid insulation boards maintain their shape, density, and R-value for 50+ years with zero maintenance — no sagging, no settling, no degradation over time.

Need Help Finding the Right Resource?

Our team is ready to answer any question — from technical specifications to project planning and ordering.