How to Install Metal Roofing Over Shingles?

Published on: June 28, 2017

Are you wondering whether it’s possible to install metal roofing over shingles or not? If yes, let’s make it very clear to you that yes, it’s possible! All you need is to know how to install it.

This article offers tips on ‘how to install metal roofing over shingles’. Rather than destroying the old rooftop, one can easily install metal roofs over old shingles. This will spare your time and effort that you would have spent in removing the shingles.

In addition, you will even have the advantage of having a more grounded support for your house roofing that is made from lightweight metal. However, the main issue while installing over the old shingles is that their shape might be clear on the flats of the metal, in this way, harming the occurrence of the metal rooftop.

Therefore, it is important to know how to install the roofing over shingles if you plan to do this project yourself.

Here are the steps of installing a metal roof over shingles;

To install the rooftop, you require a measuring tape, a chalk line, as well as snips to cut the metal.

When you have these devices, you should begin by measuring the height and width of the rooftop. The only aim of measuring the rooftop is to settle on the amount of metal that you require. While measuring, you should guarantee that you include 2-4 inches of overhang.

When you have the measurements you should go to the stores to purchase the roofing. The best roofing that you should go for, is the V-crimp roofing. The good thing about this roofing is that you don’t have to use lap screws, which makes the roofing installation procedure simple.

To guarantee that the roofing materials fit in place splendidly, you should guarantee that you install brace sheets over shingles. For perfect results, you should check that the sheets are 24″ apart.

When you finish installing the sheets, you should now install the metal roofing over the slats. Installing the roofing is simple. This is because all you need is to simply screw the roofing into slats.

Once the primary sheet is set up, you should now install the second sheet. Here you have to cover the second sheet on the first bubble and screw it in place.

You should keep doing this until the whole rooftop is finished. When you reach the last sheet, you should quantify it and guarantee that you permit an overhang that goes just beyond the pinnacle of the rooftop.

You should check where you need the rooftop to reach and after that using tin snips, remove all the additional material over the whole sheet. After doing this, you should tighten the last sheet placed.

When all the metal sheets are set up, you should now put on the metal edging which helps in covering the sides of the rooftop. Also, the edging covers the rooftop top. For the edging to fit on both sides of the rooftop you have to score the edging in the middle.

With regards to rooftop edging you should screw in the bottoms every 24″ using wood screws. For perfect results, you should embed the screws on either side near the high purpose of the rooftop, however, not at the very top.


Knowing how to install metal roofing over shingles, it’s important to follow the special instructions while installing. Also, if you are installing it for the first time, you might need a few tips from other professionals or contractors. Don’t forget to ask about safety measures as making changes to metal roofing is not an easy process. Therefore, it is essential to do it in a correct way.




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