Run, run, run. Do not hire them to do your work. The workers aren't professional. They might be good for lawn maintenance, but I wouldn't hire them for another job.
Donato, If there are any outstanding issues whatsoever with the installation of your project, please call our Warranty Service Department immediately ( 888-736-6335, dial 3 when prompted ) or contact me directly ( 610.874.5000 x 2260 ) - we'll make sure to take care of any concerns you may have. Ray Lodato, Customer Advocacy Manager, Power Home Remodeling Group