How To Install A Metal Roof Over Existing Shingles

A steel roof is a lifetime investment lasting 50 years or more if it s a good one.

How to install a metal roof over existing shingles.

As long as the plywood under the shingle roof is in good condition this way can provide many benefits. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.

Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. When choosing to install a metal roof homeowners need to. Installation of metal roofing over shingles. Install your metal edging around the perimeter of your roof.

This is by far the most common way to install a metal roof. But first here are a few precautions about the underlying material. 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. Installing metal roofing over shingles is the best solution.

The low weight of metal roofing is one thing that encourages this. We re going to break them down so you know what to look out for. 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. Address any existing roof leaks and replace rotten rafters or.

Use 1 1 4 inch. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. The metal used for the roof can be tin copper aluminum or steel. Make a slat board base on top of the shingles.

Install the metal edging. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. How to install a metal roof over shingles. The industry standard for underlayment is often thought of as felt paper tar paper but there are also many newer synthetic underlayments that are designed.