Forget reapplying again and again Cabot's Water-Based Deck & Exterior Stain lasts twice as long as traditional decking stains. This highly durable stain has been designed to rejuvenate and transform the colour of all exterior timber, delivering a long lasting, beautiful result. Give your decking and furniture a new lease on life. This Cabot's Deck & Exterior stain is highly durable, lasting much longer than traditional decking stains. It is designed to rejuvenate and transform the colour of all exterior timber, delivering a long-lasting, beautiful result.