Installing Corrugated Metal Roofing Over Shingles

Step 4 install edging.

Installing corrugated metal roofing over shingles.

Most metal shingles will be attached to the roof using metal shingle. It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow. What s involved in how to install metal roofing. Anatomy of a steel roof.

This provides a couple of benefits. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Laying steel roofing over shingles the right way.

Install your metal edging around the perimeter of your roof. Install the metal edging. Step 1 work safely. Metal roofing is very slippery when wet.

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. Our metal roofing profiles. How to install a metal roof over shingles hunker. The first way is to run new underlayment over the existing shingle roof completely covering the old roof.

One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. Step 2 measure roof. Choose a day with calm weather to work on the roof. A corrugated metal roof is quieter than pvc when it rains.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Yes you can install a metal roof over shingles. Step 5 install metal.

Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Brace your extension ladder. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. There are really two ways to install a metal roof over a shingle roof.

However you ll want to check with your local building department before you make any decisions. 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. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. So when we talk about metal roofing over shingles how does it work.

Step 3 install slat board.