WoodengineeredEngineered
OSB (Oriented Strand Board)
Structural panel built from oriented wood strands bonded with resin. An engineered substitute for plywood in sheathing and flooring, produced from fast-growing species.
Properties
- Family
- Wood
- Category
- engineered
- Density
- 0.65 g/cm³ · 650 kg/m³
Densityhow osb (oriented strand board) compares
Applicationswhere osb (oriented strand board) is normally specified
Structural sheathingRoof deckingFloor underlayWall panels
Practical notes
- Density varies by grade and thickness
- Rated for structural sheathing — check the grade stamp
- Edges swell on exposure to water; keep them protected
Lumber sizeswhat osb (oriented strand board) weighs in each nominal size
Lumber size databaseDressed sizes are the same for every species — a 2x4 is 1-1/2 x 3-1/2 in in oak as much as in spruce. What changes is the weight, and that is derived here from osb (oriented strand board)'s density of 0.65 g/cm³.
Tools used on itmatched on the wood family, not on this page
All toolsCircular SawCountersinkDrillHole SawImpact DriverJigsawMitre SawRandom Orbit SanderRouterTwist Drill Bits
Which tools work a material is a property of the family (Wood), not of the individual species — so this list is the same on every wood page, and changes when the tool data changes rather than when this paragraph does.