How to Weatherproof Your OUtdoor Rattan Furniture Outdoor Rattan Set is a wonderful addition to your front porch, back deck, or patio. The only drawback is that wicker has the potential to become moldy or discolored over time due to moisture and rain, or brittle and dry due to heat and sunlight. Because you cannot bring your wicker furniture inside every time the weather changes, there are a few ways to waterproof your furniture so that...