How To Install A Metal Roof Over Shingles

Things to know about metal over shingle roof problems.

How to install a metal roof over shingles.

Yes you can install a metal roof over shingles. However you ll want to check with your local building department before you make any decisions. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Otherwise you will need to remove the shingles.

Flashing is metal trim that fits over joints where two sections of roof meet. How to install a metal roof over shingles what to consider when putting a steel roof over asphalt shingles. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over 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. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. 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.

Next use 1 inch nails to secure some metal edging to the perimeter of the roof. Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet. Before you install metal roofing repair any damage to the wood under the shingles. This is by far the most common way to install a metal roof.

Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles. After all you ll be making a significant and long term investment. It helps direct water away from the meeting points and keeps the roofing dry. Here are some pros and cons.

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. The flashing should overlap the edge of the roof by one inch to help direct water. Then cover the entire roof with a layer of insulation and secure it with a staple gun.

Can i install a new metal roof over shingles.