Can You Install Tin Roof Over Shingles

Most codes now allow no more than two layers of roofing before requiring a complete tear off.

Can you install tin roof over shingles.

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. 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. So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.

Codes vary so call your local building department to get the straight story. Otherwise you will need to remove the 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. 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. Some jurisdictions require a full and complete tear off whenever a new roof is being installed. However you should only install a metal roof over shingles if you have less than four layers of shingles on the 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.

Most codes now allow no more than two layers of roofing before requiring a complete tear off. 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. Yes you can.