Next use 1 inch nails to secure some metal edging to the perimeter of the roof.
Quick easy way to install metal roofing.
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.
Moreover try to ensure that the screws are all aligned evenly.
Squaring metal roofs is relatively easy and required for proper installation.
This is by far the most common way to install a metal roof.
Install the offset cleat along the eave and then you are ready to install the metal roofing panels.
Before you install metal roofing repair any damage to the wood under the shingles.
Metal roofing 101 diy steel roofing installation over shingles subscribe.
If you need to cut the sheets you can use an angle grinder a circular saw or tin snips.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
A square roof is one in which all the corners are constructed at 90 angles.
When framing a roof whether metal shingled or shaked it must be square.
And for any exposed fasteners try to avoid over tightening them.
Install the roofing screws vertically along each rib in the panel.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.
When covering the roof with plywood or metal sheets it s necessary to fit the materials to the rafters exactly.
The offset cleat allows us to create a true hidden fastener installation.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
You can learn more about installing eave trim and offset cleats in another one of our metal roofing installation videos.
Try to space the screws about 12 inches apart down the entire piece of metal.
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.