The most common fiberglass reinforcement used with Polyester resin for hand lay-up. The Glassfibre strands are randomly arranged and held together by an emulsion binder to form a mat. Available in various thickness 300gm /450gm (for Boat & general repairs) 600gm/m2 (recommended for Roofing) approx 1mt wide. Chopped Mat lends itself to most laminating jobs including Boat Building / Roofing / Ponds / Car-Truck body repairs etc. Lloyds approved