This is by far the most common way to install a metal roof.
How to put tin on your roof.
By following the 10 simple instructions below you will be able to install a corrugated metal roof on your garage or shed.
Without getting up on the roof itself you can get the measurements simply by measuring the length and width of the roof and then multiply these.
Try to space the screws about 12 inches apart down the entire piece of metal.
Install slat boards to the roof so that you can easily attach the new tin.
Secure them with clip fasteners image 2 not screws penetrating the metal panels themselves.
Moreover try to ensure that the screws are all aligned evenly.
3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
Finally install the metal panels image 1 placing metal closures on the top and sides of the roof structure to hold the panels in place.
Corrugated metal roof installation instructions.
Lay the slats at 2 foot intervals length wise as you work from the roof s bottom and upward.
Screw the steel hex washer head screws into the tops of corrugated waves of tin roofing material to prevent leaking through screw holes at the bottoms of the waves when rain runs down the roof.
Attach 3 by 3 foot sheets of tin to each section of the frame using 1 inch steel hex washer head screws and a cordless drill.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
You will use metal roofing screws to secure the metal panels to the sheathing.
Secure the slats with 3 inch metal to wood screws.
Install the roofing screws vertically along each rib in the panel.
Take care the first piece is aligned precisely perpendicular square to the edge.
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.
Use your neoprene washer head screws to secure the metal to the sheathing.
The panels that make up the roof fit together like pieces of a puzzle snug and tight.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
And for any exposed fasteners try to avoid over tightening them.
5install metal panels or shingles.