Pros And Cons Of Roofing Over Existing Shingles

Installation of metal roofing over shingles.

Pros and cons of roofing over existing shingles. Address any existing roof leaks and replace rotten rafters or. Pros and cons of reroofing over existing shingles. We re going to break them down so you know what to look out for. When contemplating a new roof many people hope to simply do a shingle over and avoid the extra cost and mess of tearing off the existing roof and starting from scratch.

But now that i said that i would tell you that if it was my house i probably would and the reason is i don t want to have all those old shingles under the roof. Well that s why the metal roof is such like an eco friendly product because you don t have to get rid of all of that stuff to the landfills. And you also won t have to deal with the disposal of the old shingles. Ask a real roofing professional the pros and cons of metal roofing before you make a choice that you deeply regret.

Let s look at some pros and cons. Below are some of the most common cons of a metal paneled roof. There are two reasons people generally choose to recover their current roof instead of getting a full replacement. Rather than ripping off your old roof and putting a new one down you simply add a layer of shingles to your existing roof.

That is unfortunately the reality despite metal roofing companies touting that it lasts 45 years. It s clearly easier and cheaper to leave the old shingles in place but there s some special prep work involved with a re roof removing vents ridge caps and misshapen shingles among other things and you still have to replace or add new flashing which sometimes can be tricky over old roofing. Roofing over your existing roof. But first here are a few precautions about the underlying material.

As you probably know a metal roof is a major initial investment so knowing some of the drawbacks of this roofing material is important. Picking out old nails from a roof is a rather labor intensive task which you can skip by roofing over the present shingles. Although it sounds like a good idea we can assure you the cons heavily outweigh the pros. If you choose to install metal roofing over shingles there are certain things you must keep in mind.

Do your homework homeowners don t just take metal contractors word for it. Exposed screw metal roofs will not outlast shingles. This can save you at least 1 000 if not more in labor costs. In fact the only pro to a shingle over is it s cheaper and cleaner.

Whether it is the right choice for you depends on your home and the condition of your roof. Ideally a metal tile shake or shingle roof should only be installed over one or at most two layers of existing roofing and providing that the existing roof framing and decking is in good condition. Once you know whether or not roofing over your existing roof is an option you ll need to decide whether it s actually the best option for you.