A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof.
How to installing a metal roof over shingles viedo.
Install the metal trim.
The low weight of metal roofing is one thing that encourages this.
1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Make sure roof is square.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
Use notching scissors to notch the metal in the middle so that it will bend over the ridge.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
Install with 1 4 inch metal wood screws at a distance of every two feet.
This is part 1 of a 6 part video series explaining how i installed a metal roof on my house.
In this video i cover measuring the roof figuring the metal th.
Cut v shaped notches into metal sheets and bend them to fit trim pieces to the ridge line and eave.
Close the bottom of the metal roof.
Install the roofing screws vertically along each rib in the panel.
This is not a complete install only basic install on a bungalow i.