Installation becomes difficult Installing shingles over other shingles can be difficult. If you remove the old shingles you expose the framing where the new shingles can easily be placed on the surface. It takes skill to be able to install the overlay on the existing roof which if not properly done can cause more harm than good.
Get all of your questions out of the way before the contractor starts working on your roof. If you miss a question, you could end up with issues down the road. If you can't get your questions answered by a roofing company las vegas contractor, then you shouldn't be doing business with them.
It's not easy to keep a roof in great shape. Using the advice given to you, you can help prevent this type of trouble in your home. You'll feel safe under your roof if you apply the tips you've learned here.