Installing Corrugated Metal Roofing Over Shingles

Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.

Installing corrugated metal roofing over shingles. Step 5 install metal. How to install a metal roof over shingles hunker. Laying steel roofing over shingles the right way. Most metal shingles will be attached to the roof using metal shingle.

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. So when we talk about metal roofing over shingles how does it work. Our metal roofing profiles. There are really two ways to install a metal roof over a shingle roof.

Metal roofing is very slippery when wet. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Choose a day with calm weather to work on the roof.

A corrugated metal roof is quieter than pvc when it rains. This provides a couple of benefits. What s involved in how to install metal roofing. Make a slat board base on top of the shingles.

Step 2 measure roof. Step 4 install edging. Step 1 work safely. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

Anatomy of a steel roof. 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. 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. Step 3 install slat board.

Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. However you ll want to check with your local building department before you make any decisions. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. The first way is to run new underlayment over the existing shingle roof completely covering the old roof.

Install your metal edging around the perimeter of your roof. Yes you can install a metal roof over shingles. Install the metal 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.

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