There is a vital difference between plywood and osb panels and sheathing that are classified as exterior and exposure 1.
Grade osb roof sheathing.
Zip system 5 8 cat ps2 10 tongue and groove osb sheathing application as 4 x 8.
Install the panels tape the seams with hubers zip system tape and the building is rough dried in.
Oriented strand board osb grades it has become increasingly common to grade panels in accordance with performance based standards.
Osb v plywood which is best.
Oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood dominated market its use for exterior sheathing is.
Sheathing sheathing span is intended for use as covering material for roofs subfloors and walls.
2 4 common performance categories and corresponding span ratings.
Sturd i floor indicates a sub floor end use.
Panel grade the panel grade can be either rated sheathing or sturd i floor.
Rated sheathing osb panels are for roofs and walls.
Apa rated sheathing panels are produced as plywood or oriented strand board osb.
Commonly square edge but may be produced with tongue and groove edges.
Span rating refers to the maximum center to center support spacing when panels are installed during typical construction.
Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing.
Typical size is 4 ft x 8 ft but other sizes may also be produced.
Osb conforming to the canadian standard csa o325 or the us apa standard may be used for subfloors roofs and wall sheathing in accordance with end uses and spans shown on the panel mark.
The classifications are based on material composition as well as the durability of the adhesives utilized in the manufacturing process.
For pricing and availability.
Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.
When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood.
4 osb design and application guide panel grades osb panels are available in three grades identified by a designation of the intended end use.