Maxwell Galvanized Roller Shutters Specially designed Prevent unauthorized access and vandalism to your premises with our range of custom Galvanized Roller Shutters, designed to secure your property and protect its contents. Conserves Heat and Reduces Noise The panel design of the Insulated Roller Shutter incorporates an insulating thermal foam infill which conserves heat and also effectively reduces noise. Maxwell Grill Rolling Shutters form from first grade high quality phosphate galvanized steel with reinforced Interlocking groove and advanced designed auto cut-off edge end lock. Our poly-carbonate roller shutters are of a special design with reinforced steel rods between the panels.