Dicor Fiberglass RV Roof Coating protects and beautifies fiberglass and previously coated RV roofs. Fiberglass RV Roof Coating is formulated with 100% Acrylic Fiberglass resins to form a flexible coating that will expand and contract with the roof movement. Dicor Fiberglass RV Coating is brilliant white to provide a superior reflectivity thereby lowering interior temperatures.