How To Install Corrugated Metal Roofing Over Shingles

There are really two ways to install a metal roof over a shingle roof.

How to install corrugated metal roofing over shingles.

Install your metal edging around the perimeter of your roof. What s involved in how to install metal roofing. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. For exposed fasteners avoid over tightening the fastener.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Yes you can 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. We get asked this question all the time. How to install a metal roof over shingles.

Steel roofing offers many benefits over slate tiles or asphalt shingles metal roofing is resistant to fire rot and termites manufacturers provide 30 year warranties on metal roofing products. So when we talk about metal roofing over shingles how does it work. This provides a couple of benefits. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.

Use 1 1 4 inch. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. The first way is to run new underlayment over the existing shingle roof completely covering the old roof.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Use your neoprene washer head screws to secure the metal to the sheathing. Can i install a new metal roof over shingles. Space the screws about 12 in 30 cm apart.

Installing steel roofing over existing roofing materials is fairly simple. To install corrugated roofing start by cutting your panels to length with an angle grinder. Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart. 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 metal roof.

Make a slat board base on top of the shingles. Most metal shingles will be attached to the roof using metal shingle. Our metal roofing profiles. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Anatomy of a steel roof.