It has been an on going nightmare for more than a year. The product was purchased from Menard's in Long Grove. It was installed by professional installers both times and both times failed. It has a "LifeTime Warranty" for residential use. Not so, it seems. First time it failed (25% seam defects)we were able to get a product exchange but had to pay for removal and replacement labor. We used a specific installer recommended by the manufacturer. Second install failed worst than first install(>40% seam... read full review »