Xtreme Marine Wood and Dock Sealer Fruitwood Tint Protects your boat, dock, siding or other wood products for 30 years Decay and rot resistant while minimizing cupping, twisting, checking, cracking and warping. Powerful insect repellant including termites and highly resistant to unsightly fungus and mold. Can provide sun block up to 55 SPF Covers 400 to 600 square feet per gallon