Grade Osb Roof Sheathing

2 4 common performance categories and corresponding span ratings.

Grade osb roof sheathing.

Utilizing the wrong panels or sheathing could compromise the structure which is exposed to weather. For pricing and availability. Oriented strand board osb grades it has become increasingly common to grade panels in accordance with performance based standards. Zip system 5 8 cat ps2 10 tongue and groove osb sheathing application as 4 x 8.

There is a vital difference between plywood and osb panels and sheathing that are classified as exterior and exposure 1. Apa trademarked osb is suitable for a variety of end uses including subflooring single layer flooring wall and roof sheathing sheathing ceiling deck structural insulated panels webs for wood i joists industrial containers mezzanine decks and furniture. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Zip system roof and wall sheathing panels are zip system roof and wall sheathing panels are oriented strand board osb structural panels with built in protective overlays that eliminate the need for building wrap or roofing felt.

Typical size is 4 ft x 8 ft but other sizes may also be produced. Apa rated sheathing panels are produced as plywood or oriented strand board osb. Sturd i floor indicates a sub floor end use. The classifications are based on material composition as well as the durability of the adhesives utilized in the manufacturing process.

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. When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood. Panel grade the panel grade can be either rated sheathing or sturd i floor.

4 osb design and application guide panel grades osb panels are available in three grades identified by a designation of the intended end use. 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. Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing.

Install the panels tape the seams with hubers zip system tape and the building is rough dried in.