Timber Seal 5 LitreLANOTEC TIMBER SEAL is a lanolin based timber treatment designed to protect, nourish and weatherproof timber. It helps prevent cracking, splitting and drying while enhancing the natural grain and extending the life of outdoor timber structures, decks and furniture. Made for Decking and outdoor furniture Cladding, pergolas and fences Garden seating and timber features Timber exposed to rain, sun and salt air Timber with metal fastenings and fittings