How To Install Metal Roof Panels Over Shingles

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.

How to install metal roof panels over shingles.

Make a slat board base on top of the shingles. Install your metal edging around the perimeter of your roof. Whether you select a metal or shingle roof it s imperative to have your roof installation completed by a professional to help mitigate some of the risks associated with each material. 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.

And by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills. For exposed fasteners avoid over tightening the fastener. Screw the first sheet in the center as well as the edges. Use your neoprene washer head screws to secure the metal to the sheathing.

How to install a metal roof over shingles. Yes you can. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. 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.

The low weight of metal roofing is one thing that encourages this. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. The team here at 2nd2none has several years of experience in completing quality roof installations and repairs.

Space the screws about 12 in 30 cm apart. Install the metal edging. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. Begin laying the metal sheets from the bottom to the top of the roof.

Put the steel down directly on a vapor barrier. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Most metal shingles will be attached to the roof using metal shingle. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

Metal roof over shingles condensation metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. Screw the metal sheets into the slat board with a wood screw every 2 feet along the edges. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. Can i install a new metal roof over shingles.