How To Overlap Metal To Add Porch Roof

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How to overlap metal to add porch roof.

We will be depending. We wanted to make the porch roof as steep as possible while keeping the peak of the roof below the wall to roof intersection at the top of the shed roof. Paint or prime cut edges to prevent. Install the roofing screws vertically along each rib in the panel.

You ll have a steeper part of your roof turning into a lower slope so there s a steeper pitch up top and a lower pitch on the bottom. Try to space the screws about 12 inches apart down the entire piece of metal. We need to do something where that change happens so the panels can go down and water can come off hit the lower slope and come off the roof. Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet.

Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof. Wear hearing and eye protection. When the panel is laying flat on a surface the side that touches flat is the underlap side. You will use metal roofing screws to secure the metal panels to the sheathing.

It s quick easy low cost and you can do it yourself. 1 x research source the fastest option. The opposite end the overlap side will be elevated slightly above the surface. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.

Measure the length of the roof and the breadth of one side. Multiply those numbers and then double the result for the square footage of your roof. Add the metal panels. This build is a porch addition on an existing metal building home.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Always begin working at the point with the longest peak to eave distance. When laying the metal panels on the roof the overlap ridge of the new panel should straddle the underlap ridge of the panel before it. We re going to do a pitch transition or change.

Take care the first piece is aligned precisely perpendicular square to the edge. Place the first screw. It turned out really beautiful but the flashing isn t done correctly. You only need some basic tools and materials.

After a taking some measurements and doing a bit of ciphering we established that the steepest pitch we could use on the porch roof was 4 in 12.