Waterproofing Products

Wood Sealers

Multi-Surface Waterproofers

Penetrating Timber Oil

Featured Products

Thompson's® WaterSeal® Clear Wood Sealer

  • Exceeds industry standard for ASTM-D4446 for waterproofing wood
  • Crystal-clear sealer and sunblock protects wood and prevents yellowing
  • Helps prevent water damage

Thompson's® WaterSeal® Transparent Wood Sealer

  • Guaranteed 4 years on decks, 5 Years on fences and siding*
  • Exceeds industry standard for ASTM-D4446 for waterproofing woodbeautiful colors
  • Barely tinted sealer and sunblock protects wood and highlights natural wood grain

Thompson's® WaterSeal® Semi-Transparent Wood Sealer

  • Guaranteed 5 years on decks, 7 Years on fences and siding*​
  • Exceeds industry standard for ASTM-D4446 for waterproofing wood
  • Lightly tinted sealer and sunblock protects wood and enhances the wood grain

Thompson's® WaterSeal® Solid Wood Sealer

  • Guaranteed 6 years on decks, 15 Years on fences and siding*​
  • Meets industry standard for ASTM-D4446 for waterproofing wood
  • Boldly tinted sealer and sunblock protects wood and highlights wood texture