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.
How to overlap metal to add porch roof.
When the panel is laying flat on a surface the side that touches flat is the underlap side.
We re going to do a pitch transition or change.
1 x research source the fastest option.
Multiply those numbers and then double the result for the square footage of your roof.
Corrugated roofing is a great way to top a garden shed shop or patio.
It turned out really beautiful but the flashing isn t done correctly.
Always begin working at the point with the longest peak to eave distance.
We will be depending.
The opposite end the overlap side will be elevated slightly above the surface.
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.
Measure the length of the roof and the breadth of one side.
In other words you need to make absolutely sure that every square foot of the roof is covered in metal and that means making sure all the edges are fully covered.
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.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
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.
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You only need some basic tools and materials.
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.
It s quick easy low cost and you can do it yourself.
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.
Divide the square footage of your roof by 18 to give you the number of sheets you ll need.
Wear hearing and eye protection.
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.
Add the metal panels.
Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet.
Try to space the screws about 12 inches apart down the entire piece of metal.
Take care the first piece is aligned precisely perpendicular square to the edge.
Place the first screw.
