The thickness of OSB that you need varies on where it is used in a building. Typically 3/4″(18mm) for floors and 3/8″ (9mm) for walls and 1/2″ (11mm) roof. Also make sure that you get your supporting timbers at the correct spacing.
Is 11mm OSB OK for shed roof?
For heavy duty roofing, you may want to opt for an 11mm tongue and groove roof, additional roof trusses can offer even more support for your shed roof. These are generally more expensive options but guarantee added strength for the unit. … For an inexpensive, value option 9mm OSB can be used for your garden shed roof.
Can I use 7/16 OSB for shed roof?
…or a non-laminated panel, such as this OSB. Either one is acceptable. The typical thickness of roof sheathing is about 7/16-inch, which is just under 1/2-inch.
How thick should roof OSB be?
Standard roof sheathing thickness is ½” to ⅝” thick. If you are using OSB for your roof deck, then ⅝” is the recommended thickness. For plywood, which is slightly stronger than strand board, ½” thick is appropriate.
How thick should shed roof be?
Re: What thickness of plywood for shed roof…? Shed kits from shed shops tend to use 12mm OSB because it’s cheap.
What board should I use for a shed roof?
Sturdy and waterproof materials are the best for use on a shed roof or garden building. Here at Roofing Superstore, we’d recommend using felt, bitumen roof sheets, bitumen shingles, plastic lightweight roof tiles, or wood shingles to secure an attractive, long-term waterproof roof.
What thickness of plywood should be used for a shed roof?
Plywood thicknesses for roofs start at 3/8” in areas with light load requirements on rafters at 16” centers. Thicknesses of 1/2 to 5/8 inch are common with rafters spaced at 24” centers. For heavy load rated areas, 3/4-inch-thick plywood is recommended, regardless of rafter spacing.
Is OSB OK for roofing?
Plywood Holds the Moisture Advantage Over OSB
When plywood gets wet, it tends to swell. … OSB takes longer than plywood to get saturated, but also takes much longer to dry out. When used as roof sheathing, this tendency to hold moisture means it will degrade faster than plywood when exposed to chronic leaks.
Is 7/16 OSB OK for walls?
The 24/16 rating of 7/16″ OSB will pass code for any standard construction (walls &roof). You don’t need to worry about that.
Which is better OSB or plywood?
Osb is stronger than plywood in shear. Shear values, through its thickness, are about 2 times greater than plywood. This is one of the reasons osb is used for webs of wooden I-joists. However, nail-holding ability controls performance in shear wall applications.
How Far Can 3/4 OSB span?
Span is permitted to be 24 inches on center where 3/4-inch wood strip flooring is installed at right angles to joist. Span is permitted to be 24 inches on center for floors where 11/2 inches of cellular or lightweight concrete is applied over the panels.
Can I use OSB to build a shed?
Using Oriented Strand Board is a tested way of reducing costs for building your shed. Plywood with similar properties currently costs about 30% more for an equivalent thickness.
Is OSB good for shed floor?
A tongue-and-groove style of OSB is best for shed flooring. These panels have a protrusion, or tongue, on one edge, which fits into a slot or groove on an adjoining panel, adding strength to the connection and also reducing the chance of moisture penetration.
Is OSB or plywood better for shed floor?
OSB is good for a shed floor construction because it is flat and free of knots. It is also more consistent than plywood and other flooring materials because every sheet is the same.