Can You Put Tin Roof Over Shingles

Asphalt shingles can weigh up to four pounds per square foot depending on the brand.

Can you put tin roof over shingles.

1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof. After all you ll be making a significant and long term investment. 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. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.

Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. In some areas building officials only allow a re roof over one layer of shingles. If you don t want to take our word for it check with your local building department. By removing the old roof before the new roof s installation you are able to give the underlayment a thorough inspection to ensure there are no damages that could.

A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Can you put steel roofing over asphalt. On has the metal expands and contracts due to weather changes the metal will actually move.

However you ll want to check with your local building department before you make any decisions. Can you put metal roof over shingles the reason why this is important is because a shingle roof is granulated very similar to sandpaper. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Metal roofing weighs less than one pound per square foot.

Most codes now allow no more than two layers of roofing before requiring a complete tear off. Things to know about metal over shingle roof problems. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Yes you can install a metal roof over shingles.

Otherwise you will need to remove the shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it. Installing a metal roof over shingles can also result in an increased chance of trapped water vapor and moisture between the new roof and old roof resulting in new mold and rot.

Other areas will allow you to re. Can you install metal roofing over shingles the answer is yes. So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.