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.
11mm osb for shed roof.
Osb sold in the uk is made to comply with bs en 300 oriented strand board osb definitions classifications and specifications.
So does it matter on the what timber sheets i use to board the roof.
Will the 11mm board suffice.
It is a long document with many parts and subsections.
Also make sure that you get your supporting timbers at the correct spacing.
Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.
9mm 11mm or 18mm.
Does it has to be osb3 or will osb2 do.
Most osb suppliers have a load span table giving a guide to the spacing of timbers for different thicknesses.
Thicknesses range from 5 16 to 3 4 inch and the proper.
Osb3 is just as good as regular shuttering ply.
Replacement shed roof osb or ply.
For shed construction there are two commonly used grades of osb.
The fixing guide says i need 18mm.
The thickness of osb that you need varies on where it is used in a building.
To make your shed complete the final step is building the shed roof.
I have rafters that are 40cms apart beneath the osb sheet.
Im fixing some tapco tiles to a roof that has 11mm osb board then battens on top.
So i will try and simplify what you need to know.
Osb board a staple in a wide range of construction projects osb board is used for everything for sheeting through to structural sheathing and more.
There is also a plastic sheet dpm sheet as its only a field shelter then sarkit on top of the osb board then 32 x 25mm battens.
Typically 3 4 18mm for floors and 3 8 9mm for walls and 1 2 11mm roof.
8 x 6 11mm shiplap with osb roof floor 8 x 6 12mm shiplap with t g roof and floor.
Which would be better.
A good alternative to ply wood and usually cheaper we stock osb3 board in a selection of sizes.
I need to buy a shed this week before prices go up.
Still as good.
Any advice much appreciated as i ve never had a shed with osb before.
Will the thickness make a difference.
Could a cover the boards with a tarp after boarding for a few weeks to a month before i felt fiberglass it.