Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills.
How do i install a metal roof over shingles.
It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same.
Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.
A steel roof is a lifetime investment lasting 50 years or more if it s a good one.
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.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
Before you can begin to update your roof you will have to get an accurate.
Metal roof over shingles condensation metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it.
Install your metal edging around the perimeter of your roof.
The low weight of metal roofing is one thing that encourages this.
Always try to measure from the ground first in order to keep yourself safe.
Overlap the rises and dips if using corrugated sheets or lay flat sheeting with a slight vertical overlap.
Screw the first sheet in the center as well as the edges.
Can i install a new metal roof over shingles.
Another added benefit is that the layers of your old roof will further insulate your home.
If you must climb onto the roof to measure the space be.
Screw the metal sheets into the slat board with a wood screw every 2 feet along the edges.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Install the metal edging.
Measure the length width and rise of one section your roof.
Also be careful not to scratch the colored surfaces of the metal.
You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.
When you install the panels you will have to cut the valleys by hand.
Begin laying the metal sheets from the bottom to the top of the roof.
5install metal panels or shingles.
Make a slat board base on top of the shingles.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
How to install a metal roof over shingles hunker.
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.
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.