Putting Metal Roofing Over Old Roofing

Reroofing with metal some roofing contractors recommend reroofing with standing seam metal because the total roof weight is but a fraction of a standard asphalt shingle roof which helps preserve the roofing integrity.

Putting metal roofing over old roofing.

The main benefit of doing it this way is that it is the fastest way to install a new metal roof over a shingle roof. 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. There are really two ways to install a metal roof over a shingle roof. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.

The first way is to run new underlayment over the existing shingle roof completely covering the old roof. Installing metal roofing over existing roofing material can usually be successfully completed using simple tools. 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. It can save you money at the time but it might actually end up costing you more in the long run.

I ll explain why later. The first one being that the new underlayment will act as a second line of defense in case water would to somehow get underneath the. 2 install underlayment right over the shingles before installing the metal roof the second way to install a metal roof over a shingle roof is by applying an approved underlayment right over the old shingle roof. Roofing over your old roof can save you around 1 000 on installation costs because the roofing company won t have to remove and dispose of old shingles.

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. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. The roofing crew uses a red ripper roofing demolition tool to pry up cap shingles which are collected in a plastic bin along with old boot flanges and any loose shingle tabs.