Grade Osb Roof Sheathing

4 osb design and application guide panel grades osb panels are available in three grades identified by a designation of the intended end use.

Grade osb roof sheathing.

For pricing and availability. Install the panels tape the seams with hubers zip system tape and the building is rough dried in. Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing. Osb v plywood which is best.

The classifications are based on material composition as well as the durability of the adhesives utilized in the manufacturing process. Sheathing sheathing span is intended for use as covering material for roofs subfloors and walls. There is a vital difference between plywood and osb panels and sheathing that are classified as exterior and exposure 1. Utilizing the wrong panels or sheathing could compromise the structure which is exposed to weather.

Panel grade the panel grade can be either rated sheathing or sturd i floor. Span rating refers to the maximum center to center support spacing when panels are installed during typical construction. Apa rated sheathing panels are produced as plywood or oriented strand board osb. 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.

Zip system 5 8 cat ps2 10 tongue and groove osb sheathing application as 4 x 8. Oriented strand board osb grades it has become increasingly common to grade panels in accordance with performance based standards. 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. 2 4 common performance categories and corresponding span ratings.

Commonly square edge but may be produced with tongue and groove edges. Rated sheathing osb panels are for roofs and walls. Sturd i floor indicates a sub floor end use. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.

Typical size is 4 ft x 8 ft but other sizes may also be produced.