A warranty may have some merit if it means that the manufacturer will take steps to minimize the potential for future problems (such as reviewing the specifications and details and providing meaningful inspection during application). A warranty may also enhance the likelihood that a professional contractor will install a roof. However, rather than relying on a warranty to obtain a qualified contractor, designers should specify contractor qualification requirements as discussed in the next section.
If a problem that is covered by the warranty occurs, and the warrantor is still in business, the presence of the warranty may lead to a quick resolution of the problem. Virtually every warranty issued by a manufacturer covers repair of leaks caused by defective materials and workmanship (if the warranty is not for materials-only) provided that the cause(s) of the leakage is covered under the terms of the warranty. Without a warranty, the Owner might have to pursue legal action to obtain relief. Pursuing legal action may be too costly if the problem is small. Also, the presence of a warranty provides a direct avenue for the Owner to purse a claim with the manufacturer if the manufacture does not respond to a problem covered under the warranty.