Global Home Improvement is proud to offer PA and NJ's ONLY Marvin Window Showroom on Wheels. Our Mobile Marvin Window Showroom features Infinity Fiberglass Windows from Marvin with Double Hung, Casement and Slider Sample Windows. In addition we feature a full size Sliding French Door. Don't shop for Andersen, Pelle or Marvin Windows without seeing our showroom first. Call 888-234-2929 to schedule today.