Thompson's WaterSeal 1-gal. Waterproofer Plus Clear Wood Protector - 100 VOC-21801 at The Home Depot
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Thompson's WaterSeal

Model # 21801

1-gal. Waterproofer Plus Clear Wood Protector - 100 VOC

Thompson's WaterSeal 1-gal. Waterproofer Plus Clear Wood Protector - 100 VOC

This item has been discontinued.
The Home Depot no longer carries this specific product.



Model # 21801

The THOMPSON'S WATERSEAL 1-Gallon Waterproofer Plus Clear Wood Protector features a low-volatile organic compound (VOC) formula that protects outdoor wood and helps to ensure that the wood's natural color lasts. The protector prevents water, mildew and sun damage and is ideal for use on decks, fences, outdoor furniture and other exterior wood. Product exceeds industry standard ASTM D-4446 for waterproofing wood.

California residents: seeProposition 65 information

  • Coats exterior wood to guard against water damage
  • Dries clear to maintain the wood's natural color
  • UV and mildew resistant for durability
  • Dries to the touch in just 48 hours to provide quick protection
  • Requires only 1 coat to protect wood efficiently
  • Subject to or will include a recycling fee in the following states: CA, OR, CT
  • Click here to learn more about waterproofing

Info & Guides

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Assembled Depth (in.)  4.12 in  Assembled Height (in.)  10.25 in 
Assembled Width (in.)  6.63 in  Color/Finish  No Color 
Coverage Area (sq. ft.)  250 ft²  Dries clear  Yes 
Dry to the touch (hours)  48  Interior/Exterior  Exterior 
Manufacturer Warranty  Satisfaction Guaranteed  Maximum hydrostatic pressure (lb.)  0.00 
Number of coats recommended  Paint Product Type  Wood Sealers 
Product Form  Liquid  Product Size (oz.)  128 
Textured  No  Time before recoating (hours) 
UV Protection  Yes 



Store Exclusive. This item is available for purchase in select stores only.