When installing metal panels it is vital to get your first panel squared.
How to install metal roof panels.
Cut panel to length add eave trim.
You can use 1 inch nails for the installation of eave flashing.
Install metal panels or shingles 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.
Metal panels are made to overlap a few inches in the grooves.
Installation using exposed fasteners.
The edging or eave flashing consists of metal strips that are used to cover the perimeter of the roof.
When you re installing a metal roofing panel the first thing that you want to do is make sure you re starting square.
The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof.
Use your 1 1 4.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Start at the end of one wall and use square up.
Install the roofing screws vertically along each rib in the panel.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
Next you are ready to install the metal roof.
Always begin working at the point with the longest peak to eave distance.
You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened.
If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel.