OSB (Oriented Strand Board)

Oriented Strand Board (OSB)

Putnam Lumber distributes OSB by the truckload. OSB is manufactured from wood strands that are arranged in cross-oriented layers and pressed together with a waterproof exterior adhesive. OSB is widely used in construction for wall, roof, and floor systems. OSB is also used in applications where a uniform, strong panel is needed, such as industrial packaging and furniture manufacturing.

Standard OSB types and sizes are below:

  • Radiant Barrier
  • Stuc 1
  • Standard
  • Economy (Downfall)
Click on a grade below for pictorial representation
OSB
Actual
Imperial
Actual
Metric
Standard
Pack Sizes
1/4" 4'x8'
3/8" 4'x8'
7/16" 4'x8'
1/2" 4'x8'
19/32" 4'x8'
23/32" 4'x8'
6.4 mm 1.22x2.44 m
9.5 mm 1.22x2.44 m
11.1 mm 1.22x2.44 m
12.7 mm 1.22x2.44 m
15 mm 1.22x2.44 m
18 mm 1.22x2.44 m
140
94
80
70
56
47