Understanding APA Plywood Trademarks

To find out what the different markings mean, click one of the following:

• Panel Grades, Veneers & Finishes
• Exposure 1 or Exterior: Glue Bond Durability
• Span Rating, plywood
• Thickness, Performance CAT
• Sized for Spacing
• Wood Species by Bending Strength & Stiffness
• Tongue & Groove
• 303 Siding

APA Plywood Trademarks

• Unsanded Grades
  
• Sanded Grades
  
• Concrete Form
  
• Speciality Panels
  
• Single Floor Grades
  
• Edge mark may be used when panel has two sanded/good faces