Putting New Metal Roof Over Old Metal Roof

Insulation may be used over the roof hugger to add insulation to a building but the cavity can also be left open.

Putting new metal roof over old metal roof. A properly installed layover roof can look and function as well. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option. A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new 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.

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. The warranty on your new metal roof at least from my company will not be impacted at all by going over the 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.

Well that s why the metal roof is such like an eco friendly product because you don t have to get rid of all of that stuff to the landfills. 1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof. They are notched to fit over top of your existing metal roofing profile and are installed directly on the existing purling. 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.