How To Install A Metal Roof Over Shingles

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

How to install a metal roof over shingles.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. The flashing should overlap the edge of the roof by one inch to help direct water. Things to know about metal over shingle roof problems. Need a new roof.

Covering your existing asphalt shingles with metal roofing might be worth the expense. Before you install metal roofing repair any damage to the wood under the shingles. Another added benefit is that the layers of your old roof will further insulate your home. After all you ll be making a significant and long term investment.

Both metal and shingle roofs are great options for your next roofing project. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. However you ll want to check with your local building department before you make any decisions. Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet.

Can i install a new metal roof over shingles. It helps direct water away from the meeting points and keeps the roofing dry. Here are some pros and cons. 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.

This is by far the most common way to install a metal roof. Next use 1 inch nails to secure some metal edging to the perimeter of the roof. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Flashing is metal trim that fits over joints where two sections of roof meet.

Then cover the entire roof with a layer of insulation and secure it with a staple gun. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Yes you can install a metal roof over shingles. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.

How to install a metal roof over shingles what to consider when putting a steel roof over asphalt shingles.