OSB Grade Stamp – 7/16” APA Rated Sheathing

![Close-up of APA stamp on OSB panel](2025-12-03 - Pixel - OSB Grade Stamp (7 16 APA Rated).jpg)

Photo Details

  • Date: December 3, 2025
  • Time: 3:43 PM EST
  • Weather: Overcast, 18-22°F. Snow on site; cold conditions for materials verification.
  • Phase: Framing – sheathing verification
  • View: Close-up of manufacturing stamp on OSB sheet

Description

Grade stamp documentation for the OSB sheathing on site. Confirms APA rating, span rating, and manufacturer for inspection and record-keeping.

Visible Elements

  • APA stamp showing Rated Sheathing 24/16, thickness 7/16, Exposure 1
  • HUD-UM-40 reference and panel mill identification
  • “This side down” guidance printed along panel edge
  • Oriented strand board texture and factory ink markings

Notes