Metal Roof Purlins Or Sheathing

But i am convinced after inspecting thousands of asphalt shingled roofs metal is the way to go.

Metal roof purlins or sheathing.

Roof pitch the metal roofing panels shown in this manual require a mini. For best results with aluminum panels use 300. The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to. Use screws with solid sheathing.

Screws for use with steel panels are galvanized and then coated with an organic polymer for optimum cor rosion resistance. 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. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. 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 am doing an exsposed fastener metal roof on my own place. Metal roofing is also available in the form of shingles. Metal roofing roof panels the home depot store finder. Purlins are non pressure treated 1 x 4 x 12 lumber that is installed on to the roof in a specific layout pattern and screw pattern.

The difference in strength for wind and snow load are my concerns on whether to use purlins or sheathing versus cost. Get free shipping on qualified metal roofing or buy online pick up in store today in the building materials department. Purlins girts and roof deck.