Osb Under Metal Roof

For many applications a layer of plywood underneath your metal roofing is an unnecessary expense.

Osb under metal roof.

April 3 2017 filed under. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. 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. It does sound like your problem is not from condensation but from a roof leak or leaks.

Osb with 30 felt or equivalent between purlins and roof steel would be an effective condensation control. You should be looking for the leak source and curing it. 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. I found some pre made 4 inch pipe trusses.

A metal roof under the same conditions may stay more than 50 f cooler than an asphalt roof which saves both energy and money. 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. Dear pole barn guru. Let s take a look at the most common types of metal roofs for houses.

As long as the plywood under the shingle roof is in good condition this way can provide many benefits. 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. Here are the pros and cons to installing the metal roofing over 1 4 s. The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof.

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. Mike the pole barn guru.