By nature, wood is going to experience color fading and weathering. This condition will become worse if the goods are made of wood placed outside the home so that the sun and receives more rainfall. To prevent damage to your furniture there are several steps that can be done.
Choose a good quality wood materials and are processed properly (eg pengovenan and delivery of an anti-termite).
Use a paint coating that is resistant to sunlight (containing anti-UV).
For treatment, each a year to do a light sanding and repainting a thin layer.