Tips for Installing New Shingles Over Old Ones

Installing new shingles over old ones will literally save you time and money. In this case, you must be sure that the new shingles are only installed over one other layer of the old ones. Extra layers may be too heavy to support and could cause a collapse of the roof. Reroofing old shingles is one of the best options, as it saves you the trouble of having to rip off the old roof. Read More