Double Glazing - Customer Questions about Quality

Double Glazing in Lincolnshire (http://www.spirewindows.com) - Dennis Clark, MD of Spire Windows(Spire Window Systems Ltd - Louth, Lincolnshire Double Glazing), answers a couple of frequentlyasked customer questions; 1. "Does high quality pvc profile guarantee high quality windows anddoors?" 2. "What makes the big difference between window manufacturers?"