Georgia-Pacific DryGuard Enhanced OSB Roof Sheathing Panels
Georgia-Pacific DryGuard Enhanced Moisture-Resistant OSB Roof Sheathing

DryGuard® Enhanced OSB Roof Sheathing

  • Improved moisture resistance over standard OSB, helping protect against water-related issues such as thickness and edge swell
  • Enhanced nail-holding ability, stiffness and strength
  • Black edge seal helps prevent moisture intrusion
High performance protection from the elements.

DryGuard® Enhanced OSB roof sheathing panel is a Structural I rated sheathing offering improved moisture resistance from the elements throughout the panel. Protecting your roof during construction with enhanced OSB panels can save you valuable time and money when you need it most.

Helps avoid costly and time-consuming call backs

Blue edge seal helps prevent moisture intrusion


Available Sizes (Sized for 4’ x 8’)
Square Edge

3’-11 7⁄8” (1.216 m) x 7’-11 7⁄8” (2.435 m)

Tongue & Groove

3’-11 1⁄2” (1.206 m) x 7’-11 7⁄8” (2.435 m)

Building Code Performance Categories, Panel Thickness
1/2 CAT

0.483” (12.26 mm)

19/32 CAT

0.578” (14.68 mm)

23/32 CAT

0.703” (17.85 mm)

Length/Width Tolerance

±1⁄16” (±1.6 mm

Straightness Tolerance

±1⁄16” (±1.6 mm)

Squareness Tolerance

± 1/8” (± 3.2 mm)

Testing Agency

APA® – The Engineered Wood Association


Exposure 1: OSB suitable for uses not permanently exposed to the weather. Panels classified as Exposure 1 are intended to resist the effects of moisture on structural performance as may occur due to construction delays, or other conditions of similar severity.

Code Fire Classification

Class III or C

Flame Spread Rating

76-200, smoke developed index <450

Building Code Compliance

PS 2-10

FSC Lumber Building Products


Safety Data Sheets

Product FAQs

Related Products