Glass-reinforced plastic laminated sheets and panels being building insulation materials for use in the repair of roofing, gutters, water tanks, pipes, lawnmowers, sheds, fences, gates, vehicle exhausts, vehicle bumpers, boats, and caravans and Polyester laminated sheets and panels being building insulation materials for use in the repair of roofing, gutters, water tanks, pipes, lawnmowers, sheds, fences, gates, vehicle exhausts, vehicle bumpers, boats, and caravans