PrimeMat Coremat Guide – Core Material for FRP Laminates

PrimeMat explains coremat (core mat) in FRP laminates: what the polyester non-woven core layer does, how it adds thickness and stiffness without extra resin weight, typical build schedules for boat and tank panels, and where coremat replaces more expensive foam or balsa cores. Published by PrimeMat, a fiberglass mat and reinforcement manufacturer.