UnitedShade | The Dicor Corporation | Official Website rv industry, rv parts, rv supplier, rv sealants, rv shades, rv roofing, rv wheels, rv components, amazing rv products, rv products, Composites, Sandwich, Panels, Fiberglass, Floors, Walls, Decks, Light Weight, Strong, FRP, GRP, Fibrosan Located in Elkhart, Indiana, Dicor Corporation is an RV industry supplier with sealants, shades, roofing, wheel products and speciality products that are core to manufacturing and enjoyment of RVs.