Tin Roof Over Asphalt Shingles

Can i install a new metal roof over shingles.

Tin roof over asphalt shingles.

We get asked this question all the time. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. The metal used for the roof can be tin copper aluminum or steel. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

After all you ll be making a significant and long term investment. 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. However you can install metal roofing over the asphalt shingles but vice versa is not recommended. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

When choosing to install a metal roof homeowners need to. 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. Asphalt shingles are the most popular roofing material. Both metal and shingle roofs are great options for your next roofing project.

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. Installing shingles over metal roofing is not a thing that you should even try to do. Yes you can install a metal roof over shingles.

Attach them to your roof with 3 inch wood screws in each corner. Besides the necessary roofing skills you will need to learn tips specific to shingles installation. 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. Make a slat board base on top of the shingles.

Things to know about metal over shingle roof problems. 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. Fiberglass core or matting an asphalt coating and a ceramic or stone granule surface give this material its durability. Installing metal roofing over shingles is the best solution.

Move from bottom to top. Most codes now allow no more than two layers of roofing before requiring a complete tear off. They are available in a variety of colors and textures are low cost and provide a traditional aesthetic.