You will use metal roofing screws to secure the metal panels to the sheathing.
Squaring a tin roof.
Lay out the rafter.
When you re installing a metal roofing panel the first thing that you want to do is make sure you re starting square.
I recommended using a 16 standing seam panel so that i could bend the appropiate angle at the bottom and have no issues.
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.
The panel used in this example is a 16 inch coverage panel with a nail flange.
Exposed fastener installation step 1.
Try to space the screws about 12 inches apart down the entire piece of metal.
Unfortunately the client decided to go with conventional panel which is around 30.
Installing metal panels on out of square roof roof is on a building over 100 years old 3 out of square.
Install the roofing screws vertically along each rib in the panel.
Lay the first piece of tin roofing in a bottom corner of the roof.
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.
For a roof with 8 12 pitch find 8 inches on the shorter arm of the square the tongue and 12 inches on the longer end the blade.
If the roof is damaged.
Out of square metal roof install help i have been a roofer for the last 19 years mostly doing comp flat roofs tile valley repairs etc.
Mark these points on the rafter.
Place the square on the rafter s end.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Roof is 20 from drip edge to ridge.
We will show you how to install these metal panels with both exposed fasteners and hidden fasteners.
Typical shelters consist of wood or metal posts that support a roof framing system for the tin roof.
By severe i mean that on a roof that measures 17 feet from eave to ridge and.
Slide a washer onto a 1 1 2 inch wood screw and drive it through a low.