Installing Corrugated Metal Roofing Over Shingles

One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.

Installing corrugated metal roofing over shingles.

Step 5 install metal. Our metal roofing profiles. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. What s involved in how to install metal roofing.

Anatomy of a steel roof. The first way is to run new underlayment over the existing shingle roof completely covering the old roof. Choose a day with calm weather to work on the roof. However you ll want to check with your local building department before you make any decisions.

This provides a couple of benefits. 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. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

Step 4 install edging. Laying steel roofing over shingles the right way. Install your metal edging around the perimeter of your roof. 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.

Metal roofing is very slippery when wet. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Install the metal edging. Step 3 install slat board.

How to install a metal roof over shingles hunker. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Most metal shingles will be attached to the roof using metal shingle. 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.

So when we talk about metal roofing over shingles how does it work. Brace your extension ladder. 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. Yes you can install a metal roof over shingles.

Step 2 measure roof. Step 1 work safely. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your 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.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.