Osb 2 Or 3 For Shed Roof

Saturday 12th january 2013.

Osb 2 or 3 for shed roof. Apple podcasts google podcasts android by email rss. Up here in bonny scotland i ve seen many a roof with osb. Direction of text should run in direction of span. On top of the osb i was going to lay floating 25mm insulation then some engineered wood laminate which i had surplus.

Even though plywood is more expensive and osb stronger my recommendation for a shed roof is 5 8 or 3 4 construction grade exterior rated cdx t g plywood. I m thinking about putting another layer of osb on top of the insulation before i finally lay a single sheet epdm on top. 2 is ok but 3 better you don t say what thickness the floor needs to have air circualtion. 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.

Singletrack issue 132 is out now. With edge support and the same snow load 3 8 inch osb can be used. The lower the slope the more weight for snow load but less wind force. Typically 3 4 18mm for floors and 3 8 9mm for walls and 1 2 11mm roof.

Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. Hi folks building a 7x4m shed to get the kids and xbox out of the house. My shed is osb with a layer of torch on roof felt been good for 10 years. Osb is 18mm and no bounce.

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. As with plywood osb typically comes in 4 ft. The thickness of osb that you need varies on where it is used in a building. And while seven sixteenth in.

Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. The two grades of board look very similar and can only be distinguished visually by markings which are sprayed on to the board. Thicknesses range from 5 16 to 3 4 inch and the proper. Osb is made of chips of softwood glued together in a semi random pattern.

For shed construction there are two commonly used grades of osb. The topic replacement shed roof osb or ply is closed to new replies. Also make sure that you get your supporting timbers at the correct spacing. I ve just about finished my double skin brick shed and i m about to do the roof.

Most osb suppliers have a load span table giving a guide to the spacing of timbers for different thicknesses.