Roof coatings are often advertised as a less expensive way to extend the life of a roof without replacing it. For some roofing systems, that can be a good option. For others, it isn't. The difference comes down to the type of roof you have and its current condition....

Replacing a roof is not just about laying down new shingles. Every roof replacement is subject to code requirements that ensure the structural integrity of the home, as well as the safety of the people inside. These codes guide how roofing systems are installed, how...