Putting Tin Roof Over Asphalt Shingles

Need a new roof.

Putting tin roof over asphalt shingles.

Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available. Things to know about metal over shingle roof problems. Most codes now allow no more than two layers of roofing before requiring a complete tear off. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.

Both metal and shingle roofs are great options for your next roofing project. This post discusses using stone coated metal shingles over the top of asphalt shingles. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Consequently they don t have the same ventilation advantages.

Yes you can install a metal roof over shingles. This is by far the most common way to install a metal roof. These systems aren t attached to a frame but instead install directly on the old roof. Can you install metal roofing over asphalt shingles.

After all you ll be making a significant and long term investment. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it. 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. But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof.

An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Here are some pros and cons. Can you put metal roof over shingles.

Most codes now allow no more than two layers of roofing before. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it. We get asked this question all the time. Covering your existing asphalt shingles with metal roofing might be worth the expense.

Yes you can 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. However you ll want to check with your local building department before you make any decisions. I would say that in most cases less weight is being added to the home by the new metal roof than what the current shingles have lost due to granule wear and oil evaporation. Can i install a new metal roof over 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 put metal roof over shingles. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.