Proper Installation Of Metal Roofing Over Shingles

Yes you can install a metal roof over shingles.

Proper installation of metal roofing over shingles. Otherwise you will need to remove the shingles. This framework has three big advantages. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. 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.

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. Better steel shingle systems like the one shown install over a framework of 2x2s. Can i install a new metal roof over shingles.

Manufacturers provide 30 year warranties on metal roofing products. Metal roofing is resistant to fire rot and termites. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once.

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. 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. Remove the old roofing. Most metal shingles will be attached to the roof using metal shingle.

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. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Installing steel roofing over existing roofing materials is fairly simple.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Another added benefit is that the layers of your old roof will further insulate your home.