Metal Roof On Plywood Or Osb

Begin on the left side of the roof working to the right.

Metal roof on plywood or osb.

Osb v plywood which is best. 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 generally believed that osb is cheaper than plywood. Install the first metal panel on the low end of the roof square to the eave.

Most construction sites will consider the use of either osb or plywood for the roof. The contractor can choose an oriented standard board osb or plywood to create the decking of the roof. 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. In the process of constructing a roof there are typically two different roof decking materials.

Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing. If you re a contractor this is no news to you. Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements. 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.

Osb is widely used as roof decking material. The most common materials for this are oriented strand board osb or plywood both formed of layers of wood bonded into a panel. Work toward the ridge. A homeowner recently wrote and asked me the following regarding osb roof decking.

An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. Plywood used for roof decking is typically called sheathing and. 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. For many applications a layer of plywood underneath your metal roofing is an unnecessary expense.

Overlap the edge of the roof by 1 inch. Talking about plywood or osb for roofing you cannot miss the information of the cost. It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements. Let s take a look at the most common types of metal roofs for houses.