Teaks outdoors are expensive and hence you should take all care to protect them sufficiently from termites, rain and wind. Surface discoloration should be carefully removed by the process of sanding. Before the application of teak oil, all you have to do is clean the teak properly. Apply semi-annual coats of teak oil.
Teak oil is very useful in temporarily sealing the wood grain if used with precision. It would advisable on your part to store the teak furniture in your shed or in your garage during the colder months. This is because of the fact that moisture can lessen the life of the teak in the furniture. Hence it is always possible to increase the life of the teak in your furniture if you are careful in taking a few steps towards protecting the teak. This is all the more important because teak is expensive and it needs precision to ensure its safety.