Weight Of Osb Roof Sheathing

Oriented strand board osb is a material with high mechanical properties that make it particularly suitable for load bearing applications in construction.

Weight of osb roof sheathing.

Osb sheathing costs a few dollars less per sheet than 1 2 in. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. This of course is due to the fact that a sheet of osb costs about 20 less than the equivalent sheet of plywood.

Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. So while exterior glued plywood can be used outdoors it works best. Moisture also affects the strength of plywood. Apa the engineered wood association.

Roof sheathing is a mixed bag. In large scale commercial construction it has largely replaced softwood plywood in wall sheathing roof sheathing and subflooring applications. Apa the engineered wood. Intervals so you know where underlying studs rafters and joists are for nailing.

Osb roof sheathing 7 16 inch thick approximate weight. The national roofing contractors association nrca in rosemont il and the asphalt roofing manufacturers association arma in rockville md both recommend the use of apa performance rated osb and plywood panels. Some panels have a textured surface which makes them less slippery when used for roof sheathing. For pricing and availability.

While osb oriented strand board is generally cheaper than plywood it is heavier and not as stiff as plywood and can result in soft squeaky floors under weight the biggest complaint against osb is that it doesn t handle moisture very well so it is more suited for indoor use. For pricing and availability. Osb has its advantages. A viable alternative to plywood this osb board is engineered to prevent any cupping warping or splitting.

Zip system oriented strand board roof sheathing 3 3 4 in. Perlite board insulation cover board per inch of thickness. In our area 1 2 in. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

Osb panels often have lines at 16 and 24 in. Zip system tape simpson strong tie h2 5a 18 gauge zmax galvanized hurricane tie. Thicknesses range from 5 16 to 3 4 inch and the proper.