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