What is the R-value of Thermax?

6.6
[2] Thermax Brand insulation has a higher R-Value at lower temperatures. At 40°F mean temperature and 1” board thickness, R-Value is 6.6, and for 2” board thickness, R-Value is 13.2.

What is Thermax material?

THERMAX* Sheathing is a non-structural, rigid board insulation consisting of a glass- fiber-reinforced polyisocyanurate foam core laminated between pinhole-free aluminum foil facers. The glass-fiber reinforce- ment, along with chemical modifications, contributes to improved fire performance and dimensional stability.

What is the R-value of 3 inch rigid foam?

R-Value Chart for EnerfoilTM Rigid Foam Faced Insulation

Thickness (Inches) R-value (in I-P/Imperial) RSI (R-value in Metric)
2.0 12.4 2.16
2.5 15.5 2.7
3.0 18.6 3.24
3.5 21.7 3.78

What is the R-value of 1 2 Thermax?

The insulation delivers excellent thermal performance (R-6.5* at 1”) with good moisture resistance, reliable dimensional stability and exceptional fire performance.

Can Thermax be left exposed?

Thermax™ White Finish features an embossed white acrylic-coated aluminum facer on its exposed surface, for a clean, finished wall that is durable and washable. Thermax™ Brand products can be left exposed to the interior without a thermal barrier in most applications.

Is Thermax a vapor barrier?

With three simple components – continuous insulation, all-weather flashing, and an insulating air barrier – you get one integrated system that insulates and seals against water, air, and vapor more effectively for ultimate long-term envelope protection.

Is Thermax fire rated?

THERMAX™ Sheathing is specially designed to have a Class A fire rating and can be used in a range of concealed and exposed applications, above and below grade, and can be used in exterior walls. Because of its improved fire performance, THERMAX™ Sheathing is especially appropriate for hourly rated assemblies.

Does Thermax need to be covered?

Thermax™ Brand products can be left exposed to the interior without a thermal barrier in most applications.

Can you paint Thermax?

for Painting If desired, THERMAX™ Sheathing and THERMAX™ White Finish insulation may be painted after installation and taping of joints.