Thermostat® Radiant Barrier front side product image showing logoThermostat® Radiant Barrier product laying flatThermostat® Radiant Barrier product laying flat with an left angleThermostat® Radiant Barrier product laying flat with an right angleThermostat® Radiant Barrier product laying flat with details of the corner of the product
Thermostat® Radiant Barrier front side product image showing logoThermostat® Radiant Barrier product laying flatThermostat® Radiant Barrier product laying flat with an left angle

Thermostat® Radiant Barrier

  • Enhanced Radiant Barrier OSB Sheathing that increases indoor comfort while reducing cooling energy costs by up to 17% in peak summer months.
  • Blue Edge seal helps prevent moisture intrusion and water related issues.
  • Classified Exposure 1 bond durability by APA for protected applications and limited exposure.
  • Made primarily with southern yellow pine, Thermostat OSB contain no core voids, knots or splits and is backed with a radiant barrier overlay installed reflective side inward.
  • Can lower peak attic temperatures by up to 30 degrees F by reducing radiant heat gain in attic.
  • Ideal for roof sheathing in new homes, additions and renovations in warm to hot climates.
  • Limited lifetime warranty (please see Warranty Guide for more details).

Product Details

Elevate your construction projects with Thermostat OSB Sheathing, engineered for superior energy efficiency. Its radiant barrier reduces cooling costs by up to 17%, while the Blue Edge seal offers enhanced moisture protection. Ideal for warm climates, it significantly lowers attic temperatures, ensuring indoor comfort.

APA rated for durability, it’s backed by a limited lifetime warranty, making it the smart choice for your next build. All of our products are made from wood sourced through a system that is third-party certified to the Sustainable Forestry Initiative (SFI#174).

FEATURES AND BENEFITS

  • Exceptional Heat Reflection: Radiant Barrier sheathing reflects up to 97% of radiant heat, ensuring your attic stays cooler.
  • Durable and Moisture Resistant: Classified as Exposure 1, this OSB panel resists moisture-related structural performance issues, making it ideal for construction situations involving temporary exposure to weather.
  • Environmentally Conscious: Made from Sustainable Forestry Initiative® (SFI®) certified wood, it’s an eco-friendly choice designed with sustainability in mind.
  • Lifetime Warranty: Backed by a Lifetime Limited Warranty, the Thermostat® OSB Radiant Barrier ensures long-term performance and peace of mind.

Product Specifications

PERFORMANCE ATTRIBUTES

ClassificationExposure 1 – OSB suitable for uses not permanently exposed to the weather. Panels classified
as Exposure 1 are intended to resist the effects of mositure on structural performance as may
occur due to construction delays, or other conditions of similar severity.
Code Fire ClassificationClass III or C
Flame Spread Rating75-200, smoke-developed index <450
Building Code CompliancePS 2-18
Testing Agency APA® – The Engineered Wood Association
Emissivity<= 0.03

Building Code Performance Categories, Panel Thickness

7/16 CAT0.418” (10.61 mm)
15/32 CAT0.451” (11.45 mm)
19/32 CAT0.578” (14.68 mm)

PHYSICAL ATTRIBUTES

Square Edge3′ – 117⁄8″ (1.216 m) x 7′ – 117⁄8″ (2.435 m)
Thickness (Category)15/32 CAT, 0.451″ (11.45 mm)
19/32 CAT, 0.578″ (14.68 mm)
Length/Width Tolerance±1⁄16″ (+0, –3.2 mm)
Straightness Tolerance±1⁄16″ (±1.6 mm)
Squareness Tolerance±1⁄8″ (±3.2 mm)

PERFORMANCE ATTRIBUTES

ClassificationExposure 1 – OSB suitable for uses not permanently exposed to the weather. Panels classified
as Exposure 1 are intended to resist the effects of mositure on structural performance as may
occur due to construction delays, or other conditions of similar severity.
Code Fire ClassificationClass III or C
Flame Spread Rating75-200, smoke-developed index <450
Building Code CompliancePS 2-18
Testing Agency APA® – The Engineered Wood Association
Emissivity.03

Building Code Performance Categories, Panel Thickness

7/16 CAT0.418” (10.61 mm)
15/32 CAT0.451” (11.45 mm)
19/32 CAT0.578” (14.68 mm)

PHYSICAL ATTRIBUTES

Square Edge3′ -11 7⁄8″ (1.216 m) x 8′ – 11 7⁄8″ (2.740 m)
Thickness (Category)±1⁄32″ (± 0.79)
Length/Width Tolerance+0, –1⁄8″ (+0, –3.2 mm)
Straightness Tolerance±1⁄16″ (±1.6 mm)
Squareness Tolerance±1⁄8″ (±3.2 mm)

PERFORMANCE ATTRIBUTES

ClassificationExposure 1 – OSB suitable for uses not permanently exposed to the weather. Panels classified
as Exposure 1 are intended to resist the effects of mositure on structural performance as may
occur due to construction delays, or other conditions of similar severity.
Code Fire ClassificationClass III or C
Flame Spread Rating75-200, smoke-developed index <450
Building Code CompliancePS 2-18
Testing Agency APA® – The Engineered Wood Association
Emissivity.03

Building Code Performance Categories, Panel Thickness

7/16 CAT0.418” (10.61 mm)
15/32 CAT0.451” (11.45 mm)
19/32 CAT0.578” (14.68 mm)

PHYSICAL ATTRIBUTES

Square Edge3′ -11 7⁄8″ (1.216 m) x 9′ – 11 7⁄8″ (3.044 m)
Thickness (Category)±1⁄32″ (± 0.79)
Length/Width Tolerance+0, –1⁄8″ (+0, –3.2 mm)
Straightness Tolerance±1⁄16″ (±1.6 mm)
Squareness Tolerance±1⁄8″ (±3.2 mm)

CERTIFICATIONS

Sustainable Forestry Initiative Logo - Green leaf with a tree inside

Resources

Wood Products (PMDI BONDED) Safety Data Sheet - United States (English)
Wood Products (PMDI BONDED) Safety Data Sheet - Canada (English)
Wood Products (PMDI BONDED) Safety Data Sheet - Canada (Français)
Wood Products (PMDI BONDED) Safety Data Sheet - Mexico (Español)
Thermostat® OSB Radiant Barrier Specifications
Thermostat® Radiant Barrier Limited Warranty

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