Osb Under Metal Roof

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.
Osb under metal roof. 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. Then the top of all your purlins once osb under metal roof panels is placed will be in the same plane and the roof steel will lay flat. Installing the metal roofing over 1 4 s allows the ability to also install additional insulation under the metal roof that can t be done the other two ways. Selecting the right underlayments for a lifetime metal roof should be a primary concern for anyone thinking about specifying or choosing to install a metal roof on their home.
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. Osb with 30 felt or equivalent between purlins and roof steel would be an effective condensation control. Here are the pros and cons to installing the metal roofing over 1 4 s. April 3 2017 filed under.
I found some pre made 4 inch pipe trusses. Mike the pole barn guru. I m planning on building a pole barn using 3 1 2 inch schedule 40 pipe as my frame. The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. A metal roof under the same conditions may stay more than 50 f cooler than an asphalt roof which saves both energy and money. You should be looking for the leak source and curing it.
For many applications a layer of plywood underneath your metal roofing is an unnecessary expense. Dear pole barn guru.