Start on the lower edge of the roof install the starter shingles by nailing them down using roofing nails.
How to put on a tin roof over shingles.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.
Make a slat board base on top of the shingles.
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.
There s already plenty of advantages by choosing a metal roof and there s even more when you decide to put a metal roof over shingles.
Attach them to your roof with 3 inch wood screws in each corner.
Can i install a new metal roof over shingles.
Steel roofing offers many benefits over slate tiles or asphalt shingles metal roofing is resistant to fire rot and termites manufacturers provide 30 year warranties on metal roofing products.
You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.
Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Move from bottom to top.
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.
Make sure roof is square.
Advantages of metal roofs in general.
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.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
Install the roofing screws vertically along each rib in the panel.
We get asked this question all the time.
Next use 1 inch nails to secure some metal edging to the perimeter of the roof.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
Metal roofs have increasingly become a more popular option for homeowners due to their reputation for longevity and curb appeal.
Installing steel roofing over existing roofing materials is fairly simple.
Before you install metal roofing repair any damage to the wood under the shingles.