Waterproofers & Sealers

Waterproofers & Sealers
12 out of 17 items
  1. Drylok 1gal Clear Low Sheen Protector Penetrating Sealer w/ SaltLok Technology
  2. Seal-Once 1gal Clear Marine Grade Premium Wood 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
  3. SEAL-ONCE 1gal Clear 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
  4. SEAL-ONCE 5gal Clear Marine Grade Premium Wood Sealer
    $189.92
  5. Seal-Once 1gal Clear Marine Grade Premium Wood Sealer
  6. SEAL-ONCE 5gal Clear Semi-Transparent Exterior Wood Stain & Waterproofer
    $126.05
  7. SEAL-ONCE 1gal Clear Semi-Transparent Exterior Wood Stain & Waterproofer
  8. Drylok 5gal White Extreme Concrete & Masonry Waterproofer
    $219.99
  9. Drylok 5gal White Original Latex Concrete & Masonry Waterproofer
    $179.99
  10. Drylok 1gal White Original Latex Concrete & Masonry Waterproofer
    Drylok Original Latex Concrete & Masonry Waterproofer
    3 options available
    Free shipping Options available
    In Stock
    Starting at $34.87
    $34.87 to $179.99
  11. Storm 1gal Clear Waterproofer (100 VOC)
    Storm 1gal Clear Waterproofer (100 VOC)
    Free shipping available
    In Stock
  12. Rust-Oleum 11oz Leakseal
    Rust-Oleum 11oz Leakseal
    2 options available
    Free shipping available
    In Stock
    Starting at $25.81
    $25.81
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You've seen 12 out of 17 products

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.