Thompson’s® WaterSeal® Semi-Transparent Wood Sealer provides long-lasting exterior wood protection. Semi-Transparent opacity adds moderate color and shows medium wood grain.

Durable Protection from Water & Sun Damage
Year-Round Protection in Just One Coat
Adds moderate color and shows medium wood grain
Guaranteed 5 Years on Decks, 7 Years on Fences and Siding
Exceeds Industry Standard ASTM-D4446 for Waterproofing Wood
Helps prevent water damage
Lab tested for waterproofing wood*
Provides a mold-and-mildew-resistant finish
Lightly tinted sealer and sunblock protects wood and enhances the wood grain