Installing Corrugated Metal Roofing Over Shingles

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Installing corrugated metal roofing over shingles.

Step 4 install edging. 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. Most metal shingles will be attached to the roof using metal shingle. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

How to install a metal roof over shingles hunker. Step 5 install metal. Anatomy of a steel roof. Yes you can install a metal roof over shingles.

There are really two ways to install a metal roof over a shingle roof. Step 2 measure roof. Brace your extension ladder. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. Our metal roofing profiles. This provides a couple of benefits. The first way is to run new underlayment over the existing shingle roof completely covering the old roof.

However you ll want to check with your local building department before you make any decisions. Install your metal edging around the perimeter of your roof. Make a slat board base on top of the shingles. What s involved in how to install metal roofing.

Install the metal edging. So when we talk about metal roofing over shingles how does it work. Step 3 install slat board. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Laying steel roofing over shingles the right way. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof.

Choose a day with calm weather to work on the roof. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. 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. A corrugated metal roof is quieter than pvc when it rains.

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.