Repair composite panels with strength and confidence using this 8oz SMC/Fiberglass Filler, specially formulated for use on Sheet Molding Compound (SMC) and fiberglass surfaces. Reinforced with durable fibers for added strength, this heavy-duty filler is perfect for filling cracks, gouges, and structural imperfections in automotive, marine, and RV components.
Packaged in a convenient pouch format for easy dispensing and minimal waste, it spreads smoothly, adheres securely, and resists cracking or delamination—even under flex and stress. Ideal for use on bumpers, body panels, and other composite substrates, this professional-grade filler delivers a strong, sandable surface ready for finishing.
