Putting Metal Roof Over Shingles

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.

Putting metal roof over 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. Can you put metal roof over shingles the reason why this is important is because a shingle roof is granulated very similar to sandpaper. However you ll want to check with your local building department before you make any decisions. This allows the new underlayment to act as a line of defense in the event that water somehow gets under the metal roof.

Another added benefit is that the layers of your old roof will further insulate your home. Better steel shingle systems like the one shown install over a framework of 2x2s. Otherwise you will need to remove the shingles. The second way to install a metal roof over a shingle roof is with the use of purlins or battens.

On has the metal expands and contracts due to weather changes the metal will actually move. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. They have always been popular on barns commercial buildings and.

This method has its benefits as well. Yes you can install a metal roof over shingles. 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. This framework has three big advantages.

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 terms of building codes many municipalities now have placed limits. How to install metal roofing over shingles issues you might encounter. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

Can i install a new metal roof over shingles. First because the frame is screwed directly to the rafters and the interlocked shingles are screwed to the frame the roof can withstand winds of up to 120 mph without damage. The first is running new underlayment over an existing shingle roof thus covering the old roof. Metal roofs have a long history of use.