Can You Install Tin Roof Over Shingles

Yes you can.

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. Most codes now allow no more than two layers of roofing before requiring a complete tear off. Most codes now allow no more than two layers of roofing before requiring a complete tear off. So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.

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. 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. 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. Otherwise you will need to remove the shingles.

Yes you can install a metal roof over shingles. So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Codes vary so call your local building department to get the straight story.

However you ll want to check with your local building department before you make any decisions. Step 1 make a slat board base on top of the shingles. 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.