Rustins Professional Wood Filler is a two-part filler that provides a strong long lasting repair for all interior and exterior wood work. It hardens within 30 minutes at ambient temperature and produces a tack free surface. It is easy to sand and readily accepts Rustins Wood Dyes as well as Rustins paints and varnishes. Once fully hardened, it can be sanded, drilled, machined and planed and is particularly useful for carrying out repairs to the edges on joinery where high strength is needed. It is also suitable for marine applications. Professional wood filler is designed to restore your interior and exterior wood, metal, concrete and fibreglass with a strong, long-lasting repair. Rustins Professional Two Part Wood Filler Natural 250g Interior and Exterior UseRustins Professional Wood Filler Natural is a two-part filler that provides a strong long lasting repair for all interior and exterior wood work. It hardens within 30 minutes at ambient temperature and produces a tack free surface. It is easy to sand and readily accepts Rustins Wood Dyes as well as Rustins paints and varnishes. Once fully hardened, it can be sanded, drilled, machined and planed and is particularly useful for carrying out repairs to the edges on joinery where high strength is needed. It is also suitable for marine applications. Intended Use: For all types of interior and exterior timber.Type: A two part wood filler. Provides a strong long lasting repair for all interior and exterior wood work. Available in Natural and White colour.Special Features: The filler hardens within 30mins at ambient temperature. It can be sanded, drilled, machined and planed and is particularly useful for carryin.