How To Install A Metal Roof Over Shingles

Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet.

How to install a metal roof over shingles.

Otherwise you will need to remove the shingles. Things to know about metal over shingle roof problems. 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.

This is by far the most common way to install a metal roof. 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. 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. Flashing is metal trim that fits over joints where two sections of roof meet.

However you ll want to check with your local building department before you make any decisions. Another added benefit is that the layers of your old roof will further insulate your home. Yes you can install a metal roof over shingles. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Here are some pros and cons. Next use 1 inch nails to secure some metal edging to the perimeter of the roof. Then cover the entire roof with a layer of insulation and secure it with a staple gun. 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. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Can i install a new metal roof over shingles. The flashing should overlap the edge of the roof by one inch to help direct water.

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. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Both metal and shingle roofs are great options for your next roofing project. Before you install metal roofing repair any damage to the wood under the shingles.

If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.