Toupret Fibarex is a fibre-reinforced exterior filler engineered for filling, repairing, and localised skimming on masonry substrates. Its advanced formula delivers superior adhesion and structural integrity, making it ideal for demanding outdoor applications. Apply at 1.5mm thickness and overcoat within 24 hours using water-based masonry or mineral paints. For polyurethane or epoxy finishes, prime first with water-based exterior paint. Always consult the technical data sheet and follow usage instructions carefully.