How To Install Metal Roofing Over Shingles

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.

How to install metal roofing over shingles.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. What s involved in how to install metal roofing. How to install a metal roof over shingles. Make a slat board base on top of the shingles.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Install the metal edging. Yes you can install a metal roof over shingles. Install your metal edging around the perimeter of your roof.

Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Anatomy of a steel roof. Winter heating costs may be reduced thanks to a double layer of insulation. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. It s the simplest and fastest way to install a metal roof. Install the roofing screws vertically along each rib in the panel.

Use 1 1 4 inch. 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. However you ll want to check with your local building department before you make any decisions. A metal roof reduces cooling costs during the summer months because it can reflect the sun s rays.

Installing a metal roof on top of shingles can be done in three basic steps only 2 are required.