Plywood

Degrade 4×8 1/4″ to 1″ thickness
Drywall Type X Fireguard
  • 4×8
  • 4×10
  • 4×12
1/2″ & 5/8″ thickness
Edge Sealed and Oil Treated 4×8 1/4″ to 1″ thickness
Fir
  • Standard Sheathing
  • Tongue & Groove
Formply
  • Ainsworth
  • Crown #43
  • Crown #44
  • Richply
  • Ultraform
G1S1
G2S
Marine Grade
  • 4×8
  • 4×10
MDO2Boards (Crezon)
  • G1S
  • G2S
4×8
Medite
Melamine 5/8″ thickness
OSB3 G1S, G2S 1/4″ to 1″ thickness
Select
Spruce
  • Standard Sheathing
  • Tongue & Groove
 1. Good or Sanded on One Side
 2. Medium Density Overlaid
 3. Oriented Strand Board