Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.
How to install metal roofing on a flat roof.
How to install metal roofing.
Space the screws about 12 in 30 cm apart down the entire piece of metal.
In this video i cover measuring the roof figuring the metal th.
Try to space the screws about 12 inches apart down the entire piece of metal.
This is part 1 of a 6 part video series explaining how i installed a metal roof on my house.
Step 1 measure the roof height.
Use your neoprene washer head screws to secure the metal to the sheathing.
Measure the height of your roof adding 2 to 4 inches to your measurement to allow overhang.
And for any exposed fasteners try to avoid over tightening them.
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 line.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Step 3 install the metal edging.
Take care the first piece is aligned precisely perpendicular square to the edge.
Install the roofing screws vertically along each rib in the panel.
Step 5 install the metal trim.
A steel roof is a lifetime investment lasting 50 years or more if it s a good one.
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.
Step 4 laying the sheets.
You will use metal roofing screws to secure the metal panels to the sheathing.
Measure the height.