Metal Roof On Plywood Or Osb

Talking about plywood or osb for roofing you cannot miss the information of the cost.

Metal roof on plywood or osb. The most common materials for this are oriented strand board osb or plywood both formed of layers of wood bonded into a panel. 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. In the process of constructing a roof there are typically two different roof decking materials.

Let s take a look at the most common types of metal roofs for houses. Work toward the ridge. It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements. For many applications a layer of plywood underneath your metal roofing is an unnecessary expense.

When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood. It is true as the price of every osb board is around 15 20 per sheet 4 8 sizes. 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. Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing.

It is generally believed that osb is cheaper than plywood. The contractor can choose an oriented standard board osb or plywood to create the decking of the roof. If you re a contractor this is no news to you. 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.

This component is essential in both metal roofing and traditional asphalt shingle roofing. Begin on the left side of the roof working to the right. Install the first metal panel on the low end of the roof square to the eave. A homeowner recently wrote and asked me the following regarding osb roof decking.

Metal roofing panels rated for architectural use attached to purlins horizontal pieces of wood or metal fastened to roofing trusses are structurally sound when installed according to your roofing manufacturer s instructions and local building codes. Most construction sites will consider the use of either osb or plywood for the roof. Plywood used for roof decking is typically called sheathing and. Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements.