Can You Install Tin Roof Over Shingles

Otherwise you will need to remove the shingles.

Can you install tin roof over shingles.

However you ll want to check with your local building department before you make any decisions. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Most codes now allow no more than two layers of roofing before requiring a complete tear off. 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.

Step 1 make a slat board base on top of the 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. 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. 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.

Most codes now allow no more than two layers of roofing before requiring a complete tear off. Yes you can install a metal roof over shingles. Another added benefit is that the layers of your old roof will further insulate your home. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt. Yes you can. Some jurisdictions require a full and complete tear off whenever a new roof is being installed.