Waterproofers & Sealers

Waterproofers & Sealers
12 out of 75 items
  1. Old Masters 1gal Gloss Apex High Performance Polymer Interior Water-Based Clear Finish
  2. Old Masters 1gal Semi-Gloss Apex High Performance Polymer Interior Water-Based Clear Finish
  3. Old Masters 1gal Satin Apex High Performance Polymer Interior Water-Based Clear Finish
  4. Old Masters 1gal Flat Apex High Performance Polymer Interior Water-Based Clear Finish
  5. Zinsser 1gal Watertite Mildew Proof Waterproofing Paint
  6. Wolman 1gal Clear Raincoat Repellant Oil Based
    Wolman 1gal Clear Raincoat Repellant Oil Based
    Free shipping available
    In Stock
  7. Old Masters 1Qt Oil-Based Sanding Sealer
    Old Masters 1Qt Oil-Based Sanding Sealer
    Free shipping available
    In Stock
    $21.91
  8. Old Masters 1gal Oil-Based Sanding Sealer
    Old Masters 1gal Oil-Based Sanding Sealer
    Free shipping available
    In Stock
  9. Drylok 1gal Natural Look Curing Membrane & Penetrating Water Based Sealer
  10. Seal-Once Marine Grade Pre-Mixed Semi-Transparent Premium Wood Stain & Sealer
    Seal-Once Marine Grade Pre-Mixed Semi-Transparent Premium Wood Stain & Sealer
    21 options available
    Free shipping available
    In Stock
    Starting at $17.99
    $17.99 to $198.98
  11. Seal-Once Custom Semi-Transparent Exterior Wood Stain & Waterproofer
    Seal-Once Custom Semi-Transparent Exterior Wood Stain & Waterproofer
    38 options available
    Free shipping available
    In Stock
    Starting at $26.58
    $26.58 to $250.57
  12. Woodlife 1qt Green Copper Coat Exterior Above/Below Ground Wood Preservative
    $17.00
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Waterproofers and sealers provide superior moisture protection, extending the lifespan of wood, concrete, masonry, and other porous surfaces. These high-performance coatings create a durable, water-repellent barrier that prevents damage from rain, humidity, and freeze-thaw cycles. Commonly used for decks, patios, driveways, basements, and exterior walls, waterproofers and sealers help reduce cracking, warping, and mold growth. Wood sealers penetrate deep into the grain, protecting against UV exposure, mildew, and rot, while concrete and masonry waterproofers prevent water infiltration, efflorescence, and surface deterioration. Available in clear, tinted, and enhancing finishes, these coatings provide long-lasting durability without altering the natural look of the substrate. Many formulations offer breathable protection, allowing trapped moisture to escape while keeping external water out. Whether for residential, commercial, or industrial applications, waterproofers and sealers ensure enhanced durability, weather resistance, and long-term protection for a wide range of surfaces exposed to the elements.