Can You Install Tin Roof Over Shingles

Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

Can you install tin roof over shingles.

If you install metal over shingles if you do decide to install your new metal roof over your old shingles be sure to consult local building codes. Some people think that they can just install the metal roofing right over the old shingles roof without any barrier in between but this is highly not recommended. 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. Another added benefit is that the layers of your old roof will further insulate your home.

Yes you can. However you ll want to check with your local building department before you make any decisions. The problem with this is that as the metal heats up and expands or cools down and contracts it moves a little on the roof. So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.

Most codes now allow no more than two layers of roofing before requiring a complete tear off. 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. Otherwise you will need to remove the shingles. Codes vary so call your local building department to get the straight story.

Most codes now allow no more than two layers of roofing before requiring a complete tear off. Step 1 make a slat board base on top of the shingles. Yes you can install a metal roof over shingles.