Osb 2 Or 3 For Shed Roof

Thicknesses range from 5 16 to 3 4 inch and the proper.

Osb 2 or 3 for shed roof.

The thickness of osb that you need varies on where it is used in a building. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. Full membrane will just speed up the rot. My solution when i built our garage was trusses on 19 3 center the canadian std and 5 8 osb.

Also make sure that you get your supporting timbers at the correct spacing. Around here southern mn the cities you can drive through the neighborhoods with cheaper houses the ones with trusses on 24 centers and 1 2 or 7 16 sheeting and most many will have sagged roofs. 2 is ok but 3 better you don t say what thickness the floor needs to have air circualtion. Typically 3 4 18mm for floors and 3 8 9mm for walls and 1 2 11mm roof.

Singletrack issue 132 is out now. Saturday 12th january 2013. The roof has no waviness sag in it. Typical markings on osb panel.

For shed construction there are two commonly used grades of osb. Apple podcasts google podcasts android by email rss. Direction of text should run in direction of span. The two grades of board look very similar and can only be distinguished visually by markings which are sprayed on to the board.

I m thinking about putting another layer of osb on top of the insulation before i finally lay a single sheet epdm on top. The topic replacement shed roof osb or ply is closed to new replies. With edge support and the same snow load 3 8 inch osb can be used. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

My shed is osb with a layer of torch on roof felt been good for 10 years. Juat lay dpc where there is ground contact. Up here in bonny scotland i ve seen many a roof with osb. My plan is for a warm roof so i m going to lay the 18mm osb3 then a vapour barrier followed by 100mm celotex insulation boards.