When the grade stamp is covered by roofing the building inspector will not be able to confirm that the correct osb roofing panel was used.
Osb2 and osb3 shed roof.
16 07 kg moisture resistant.
To be honest i want to spend as little as i need to.
Uses include structural roofing flooring panels agricultural buildings portable buildings type.
For shed construction there are two commonly used grades of osb.
I need to cover approx 18m2.
Osb3 is just as good as regular shuttering ply.
No interior or exterior use.
Interior or exterior use structural.
With the felt in top you have a very sturdy roof that wil last for years.
I need to reboard my shed roof before i fiberglass it or felt it haven t decided yet.
Osb3 sheets certifications met.
Osb is so strong in fact that it is now used for about 70 of all floor wall and roof sheathing in north america and there are two different types of osb osb2 and osb3.
The screened surface also provides a little more.
Does it has to be osb3 or will osb2 do.
En 300 pack quantity.
Osb would be fine for a shed roof 18mm ply is going to be expensive.
Still as good as day 1.
Osb2 is great for structural non load bearing projects in dry conditions whereas osb3 performs better for structural load bearing use and for use in humid conditions.
With the osb i normally give it a good couple of coats treatment and or acrypol if you can get it i got shed roof ps that have lasted absolute years with this treatment.
Typical markings on osb panel.
I roofed my stable with 11mm sheets covered with cheap shed kennel felt three years ago.
The two grades of board look very similar and can only be distinguished visually by markings which are sprayed on to the board.
So does it matter on the what timber sheets i use to board the roof.
Direction of text should run in direction of span.