Installing Metal Roofing On Shingles

How to install a metal roof over shingles hunker.

Installing metal roofing on shingles.

Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. 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. Space the screws about 12 in 30 cm apart. Use your neoprene washer head screws to secure the metal to the sheathing.

Install the metal edging. Yes you can install a metal roof over shingles. 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. Should old shingles be removed before new installation.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. 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. Make a slat board base on top of the shingles. But is this a good idea.

Most metal shingles will be attached to the roof using metal shingle. 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. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. 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.

You will also need to invest in some specialty tools to help you get the job done. 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. For exposed fasteners avoid over tightening the fastener. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

Metal roofing is much more difficult to install than asphalt shingles. If you don t know how to cut metal roofing panels you can warp them or damage the protective coating that prevents rust. However you ll want to check with your local building department before you make any decisions. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Install your metal edging around the perimeter of your roof. Some roofers recommend this practice to homeowners who are planning on switching from an asphalt shingle roof. Reroofing is the practice that involves installing a new roof over an existing one.