Installing Metal Roofing On Shingles

Space the screws about 12 in 30 cm apart.

Installing metal roofing on shingles.

Install your metal edging around the perimeter of your roof. Reroofing is the practice that involves installing a new roof over an existing one. Make a slat board base on top of the shingles. Install the metal edging.

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. Some roofers recommend this practice to homeowners who are planning on switching from an asphalt shingle roof. If you don t know how to cut metal roofing panels you can warp them or damage the protective coating that prevents rust. How to install a metal roof over shingles hunker.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. 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. March 11 2020 by safe harbor roofing. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

Use your neoprene washer head screws to secure the metal to the sheathing. Yes you can install a metal roof over shingles. However you ll want to check with your local building department before you make any decisions. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. 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. Metal roofing is much more difficult to install than asphalt 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. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. 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. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

You will also need to invest in some specialty tools to help you get the job done. Should old shingles be removed before new installation. But is this a good idea.