Installing A Metal Roof Over Asphalt Shingles

Yes you can install a metal roof over shingles.

Installing a metal roof over asphalt shingles.

Installing steel roofing over existing roofing materials is fairly simple. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. How to install a metal roof over shingles hunker. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof.

If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Install the metal edging. Things to know about metal over shingle roof problems. Manufacturers provide 30 year warranties on metal roofing products.

Make sure roof is square. Another added benefit is that the layers of your old roof will further insulate your home. If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. 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.

It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Metal roofing is resistant to fire rot and termites. 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.

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. The metal used for the roof can be tin copper aluminum or steel. However you ll want to check with your local building department before you make any decisions. Both metal and shingle roofs are great options for your next roofing project.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. If you want to install steel over asphalt your best choice is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. Install your metal edging around the perimeter of your roof. Can i install a new metal roof over shingles.

Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board.