Roofing Over Existing Metal Roof

Anatomy of a steel roof this is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

Roofing over existing metal roof.

While metal roofs are routinely installed over existing shingle and asphalt roofs those existing roofs must be up to par for you to reap the long term benefits. The only way to know for sure whether it will work for you is to ask a professional roofer. If you have more than two layers of existing roofing material something s gotta give. We re happy to give you a free inspection.

Should you tear off the old roof and start over or simply remove the fasteners from the existing roof and install another roof over it. Does the existing roof need an insulation upgrade. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Screws nails etc electric screw gun or roofing hammer depending on required fasteners circular saw with abrasive blade tape measure optional chalk line optional work gloves optional.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. So when it s time to reroof these buildings what should one do. Things you ll need metal roofing panels and caps roofing fasteners may differ per roofing panel style. Roofing over your existing roof is not always possible there are a few situations where roofing over an existing roof just isn t possible.

You will need to do a thorough inspection of your current roof. Choose a shingle style with the same dimensions as those on your. Yes you can install a metal roof 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.

Although many metal roof systems can be applied over an existing roof layovers are more commonly done with asphalt shingles. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. How many layers are there. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.