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

SPECS

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)

SPECIFICATIONS
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

Classification

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

CERTIFICATIONS
FSC Lumber Building Products

PRODUCT RESOURCES

Warranties
Specifications
Safety Data Sheets
Installation
LITERATURE
VIDEO TIPS

Product FAQs

What is the proper way to store OSB on the yard or on a job site?
Answer

Whenever possible, store panels under a roof. Keep sanded panels and appearance-grade products away from high-traffic areas to prevent damage to surfaces. Use pieces of lumber to weigh down the top panel in a stack to reduce warpage from humidity. If moisture absorption is expected, cut steel bands on bundles to prevent edge damage.

If panels must be stored outside, stack them on a level platform supported by at least three 4x4s to keep them off the ground. Place one 4×4 in the center and the other two 4x4s 12 to 16 inches from the ends. Never leave panels or the platform in direct contact with the ground.

Cover the stack loosely with plastic sheets or tarps. Anchor the covering at the top of the stack, but keep it open and away from the sides and bottom to ensure good ventilation. Tight coverings prevent air circulation and when exposed to sunlight, may promote mold or mildew. (Source: APA Builder Tip U450: Storage and Handling of APA Trademarked Panels)

Is there a difference between span ratings for OSB and plywood?
What is the flame spread classification for OSB?
What is the difference between Structural 1 and Exposure 1 panels?
Can you paint OSB?
Can OSB be used for outdoor projects?
What does the stamp on my OSB panel mean?
What does the "span rating" of an OSB panel mean?
How many sheets are in a unit of OSB?
Do your panels meet formaldehyde emissions standards?
When used in the manufacture of crates and pallets, are Georgia-Pacific plywood and OSB safe for international shipping?

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