The Short Strand Fibreglass Filler is a versatile solution designed to repair small holes or rust-outs in various materials such as fibreglass, wood, metal, aluminum, sheet-moulding compound and masonry. This filler paste features interlocking fibreglass strands that eliminate the need for backing strips or fibreglass mat or cloth, making it an efficient choice for quick repairs. Its durable composition makes it ideal for automotive, marine and home repair projects where strength is essential.