Metal Roof Over Existing Roof

Ideally a metal tile shake or shingle roof should only be installed over one or at most two layers of existing roofing and providing that the existing roof framing and decking is in good condition.

Metal roof over existing roof.

You will need to do a thorough inspection of your current roof. If you have more than two layers of existing roofing material something s gotta give. Installing metal roofing over existing shingles is an excellent way for building owners to not only maximize the longevity of their new roof but also to save on roof tear off expenses. 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.

Can you install metal roofing over existing shingles. How many layers are there. 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. 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.

Although many metal roof systems can be applied over an existing roof layovers are more commonly done with asphalt shingles. Metal over metal retrofit considerations there are a number of issues a roofer will have to deal with when it comes to metal over metal retrofits but listed below are a few where the use of a roof hugger system may help resolve. The installation of metal roofing is often easier and faster than other roof types and because of its simple design and generally large size can actually be installed directly on top of existing roofing materials like asphalt shingles and foam roofing.