Maxxmar Maxx-Zip Exterior Roller Shades | ECO Glass Windows And Doors ▶ Video The System Features Openness Fabrics Safety Use Cases FAQ Maxxmar Maxx-Zip System Your Patio Deserves to Work as Hard as You Do. Meet the Maxx-Zip. The Maxxmar Maxx-Zip exterior roller shade system transforms exposed patios, decks, balconies,