Evercoat 101190 Tiger Hair Long Strand Fiberglass Reinforced Filler is engineered for high strength and durability, perfect for heavy duty damage and rust repairs. Suitable for various substrates including steel, galvanized steel, aluminum, SMC, and fiberglass, this filler allows flexible use across different materials. Mix with cream hardener at a 2% weight ratio, achieving a setting time of 6-10 minutes in optimal conditions. The preparation involves cleaning, degreasing, and sanding the panel. This product offers an easy application process, requiring no fiberglass mat, and is finished by sanding and optional coating with Evercoat lightweight filler or polyester putty, ensuring professional results.