Tin Roof Over Asphalt Shingles

Both metal and shingle roofs are great options for your next roofing project.

Tin roof over asphalt shingles.

Move from bottom to top. Things to know about metal over shingle roof problems. However you ll want to check with your local building department before you make any decisions. So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt.

Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. Asphalt shingles are the most popular roofing material. 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. Can i install a new metal roof over shingles.

Besides the necessary roofing skills you will need to learn tips specific to shingles installation. In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles. Installing shingles over metal roofing is not a thing that you should even try to do. When choosing to install a metal roof homeowners need to.

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. 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. Most codes now allow no more than two layers of roofing before requiring a complete tear off. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

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. However you can install metal roofing over the asphalt shingles but vice versa is not recommended. Make a slat board base on top of the shingles. After all you ll be making a significant and long term investment.

Fiberglass core or matting an asphalt coating and a ceramic or stone granule surface give this material its durability. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Attach them to your roof with 3 inch wood screws in each corner.

Installing metal roofing over shingles is the best solution. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Yes you can install a metal roof over shingles.