Metal Roof On Plywood Or Osb

Install the first metal panel on the low end of the roof square to the eave.

Metal roof on plywood or osb.

An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. It is true as the price of every osb board is around 15 20 per sheet 4 8 sizes. Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements. 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.

When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood. The most common materials for this are oriented strand board osb or plywood both formed of layers of wood bonded into a panel. A homeowner recently wrote and asked me the following regarding osb roof decking. For many applications a layer of plywood underneath your metal roofing is an unnecessary expense.

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. Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing. Plywood used for roof decking is typically called sheathing and. Overlap the edge of the roof by 1 inch.

Begin on the left side of the roof working to the right. If you re a contractor this is no news to you. In the process of constructing a roof there are typically two different roof decking materials. The contractor can choose an oriented standard board osb or plywood to create the decking of the roof.

Let s take a look at the most common types of metal roofs for houses. 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. Most construction sites will consider the use of either osb or plywood for the roof. Talking about plywood or osb for roofing you cannot miss the information of the cost.

Osb v plywood which is best. It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements. Osb is widely used as roof decking material. This component is essential in both metal roofing and traditional asphalt shingle roofing.