Is It Ok To Roof Over Existing Shingles

Is It Ok To Roof Over Existing Shingles. Shingles that are raised or misshapen make it hard to lay a smooth, flat layer of new shingles on top. However, all this relies greatly on your situation.

One big advantage to metal roofing is that it is light weight, which makes it the perfect material to be installed over an existing shingle roof. Why installing new shingles over old shingles can be good. Of course, you can’t always put other types of roofing over existing shingles, whether they’re metal or not.

If you need to redo your roof, you might be tempted to save some money by having another layer installed over the existing shingles.

Now that we've taken care of the primary question at hand, we'll consider a couple of reasons why you might want to do this. The standard practice is to limit to a total of two layers of shingles. Your house will probably be worth less. Let’s start with the good.