We received an unlimited lifetime warranty from Weathershield when we purchased their best windows available. Not only do the windows leak every time there is a storm but paint came off the exterior of the windows. The doors are delaminating and leaking. Weathershield came out one time and basically told us that their product was perfect and we must have done something wrong if we were experiencing problems. They refused to do anything even though we had an unlimited lifetime warranty. read full review »