Osb Or Plywood For Roof That Soans 32

Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot.

Osb or plywood for roof that soans 32.

Quality base layer for wall and roof sheathing applications. X 8 ft actual. The minimum plywood for roofing. Rafters run from the peak of the roof.

The span rating of apa rated siding panels applies when installed vertically. No core voids. T and g common. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

19 32 cat ps2 10 osb sheathing application as 4 x 8. Loads are provided for applications where the panel strength axis is applied across supports and applied parallel to supports. Check other stores closed. Span and exposure rated sheathing with dimensional stability.

These panels include unsanded touch sanded and sanded plywood and oriented strand board osb. However you might find that osb can better suit your needs than plywood for the roof. Plywood sheathing osb. Fortunately this is one issue that has primarily been standardized by the industry.

The span rating on apa rated sheathing panels appears as two numbers separated by a slash such as 32 16 48 24 etc a the left hand number denotes the maximum recommended spacing of supports when the panel is used for roof sheathing. Moisture also affects the strength of plywood. So while exterior glued plywood can be used outdoors it works best. 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.

With edge support and the same snow load 3 8 inch osb can be used. Item 12214 model 671414. Get pricing and availability. Another issue that many people encounter is what size plywood the roof may need.

For each combination of span and span rating loads are given for deflections of l 360. Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. 10 psf dead load assumed. Page 6 of 7 v1 0 01 2008 osb roof design example calculations using asd 4x8 foot 24 16 teco sheathing span.

Ps 1 09 structural plywood form l870.