Aluminum signs may be sheeted with one of the following reflective products: 3M 3290 Engineer Grade (Less Reflective), 3M 3930 High Intensity Prismatic (More Reflective), 3M 4090 Diamond Grade (Most Reflective). Unless noted all signs will be manufactured with HIP sheeting (High Intensity Prismatic) with 3M 1170 ElectroCut Film applied over the top. Upon request 3M 1170 Clear Film will be applied for a Clear Coat Overlay. All digital graphics will be printed on 3M 3290 Reflective Sheeting and receive 3M’s 1170 Clear Film unless otherwise noted.