Metal Roof Over Osb

When the steel roofing can t carry the load other shear carrying materials such as 7 16 osb may be added to the assembly.

Metal roof over osb.

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

Is osb acceptable as roof decking for metal roofing. Install the first metal panel on the low end of the roof square to the eave. Let s take a look at the most common types of metal roofs for houses. Metal roofing roofing answers roofing installation roofing materials oriented strand board commonly referred to as osb is a type of engineered lumber similar to particle board formed by adding adhesives and then compressing layers of wood strands.

Overlap the edge of the roof by 1 inch. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. Work toward the ridge.