Metal Roof Over Osb

This particular contractor happens to admit to sheathing over 90 percent of all of the post frame buildings he has put up in 7 16 osb oriented strand board beneath the steel roofing and siding.

Metal roof over osb.

Is osb acceptable as roof decking for metal roofing. In the case above the shear forces in the last 12 foot bay at each end of the roof have had osb placed between the roof purlins and the steel roofing. April 3 2017 filed under. When the steel roofing can t carry the load other shear carrying materials such as 7 16 osb may be added to the assembly.

Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available. Secure the metal panel to the deck by drilling 1 1 2 inch galvanized metal screws through the peak of the rib in 12 inch to 16 inch intervals. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. Install the first metal panel on the low end of the roof square to the eave.

Begin on the left side of the roof working to the right. Overlap the edge of the roof by 1 inch. Case in point one of our recent clients in colorado has hired a building contractor to erect his building.