Ronseal 5 Year Woodstain is independently guaranteed by the BBA to waterproof & protect your exterior wood for a full 5 years. The easy to apply woodstain has been specially developed to give ultimate protection against all types of weather. It keeps the wood dry by preventing excess water from entering the wood whilst allowing moisture inside the wood to evaporate to prevent cracking, peeling, blistering & surface mould growth. Rainproof in one hour. Suitable for bare or previously stained wood, & is ideal for doors, window frames, cladding, garden furniture & all smooth planed timber.