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  • Adhesives & Tape
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  • Encapsulation Tools
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  • Filters
  • Insulation
  • Kits
  • Moisture Detectors & Alarms
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  • Nu-Calgon®
  • View all Brands
  • NOTICE: Local Product Pickup Only Available at Huntsville, TN Location

    Featured Products

    • Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft
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      Crawl Space Ninja®

      Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft

      MSRP: $199.99
      Now: $136.00
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    • Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier
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      Crawl Space Ninja®

      Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier

      MSRP:
      Now: $154.99
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    • Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF
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      Crawl Space Ninja®

      Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF

      MSRP:
      Now: $139.99
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    • SALE
      Ninja Dry Pro 70 Dehumidifier Ninja Dry Pro 70 Dehumidifier Ninja Dry Pro 70 Dehumidifier Ninja Dry Pro 70 Dehumidifier
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      Crawl Space Ninja®

      Ninja Dry Pro 70 Dehumidifier

      MSRP:
      Was: $1,299.99
      Now: $999.00
      Add to Cart
    • Hydraway is a geocomposite subsurface drainage  solution that’s composed of a structured high-density polyethylene (HDPE) perforated core that is thermally bonded to a geotextile filter fabric. Hydraway Strip Drain Hydraway is a geocomposite subsurface drainage  solution that’s composed of a structured high-density polyethylene (HDPE) perforated core that is thermally bonded to a geotextile filter fabric. Hydraway Strip Drain
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      Hydraway

      Hydraway Strip Drain

      MSRP:
      Now: $129.99
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    • Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF
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      Crawl Space Ninja®

      Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF

      MSRP:
      Now: $234.99
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    • Image of Butyl Tape by Crawl Space Ninja Image of Butyl Tape by Crawl Space Ninja Image of Butyl Tape by Crawl Space Ninja Image of Butyl Tape by Crawl Space Ninja
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      Crawl Space Ninja®

      Crawl Space Ninja® Foundation Butyl Tape - Butyl Tape 1.5"x75'

      MSRP:
      Now: $49.99
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    • Image of Crawl Space Ninja Brand Seam Tape Image of Crawl Space Ninja Brand Seam Tape
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      Crawl Space Ninja®

      Crawl Space Ninja® Seam Tape (Single Roll)

      MSRP: $36.99
      Now: $34.99
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    Dehumidifiers
    Vapor Barrier Supplies
    Waterproofing Supplies
    Tape Supplies

    Current Top Sellers

    • Image of Crawl Space Ninja Brand Seam Tape Image of Crawl Space Ninja Brand Seam Tape
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      Crawl Space Ninja®

      Crawl Space Ninja® Seam Tape (Single Roll)

      MSRP: $36.99
      Now: $34.99
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    • Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF
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      Crawl Space Ninja®

      Crawl Space Ninja® 12-mil Crawl Space Vapor Barrier 1000 SQF

      MSRP:
      Now: $234.99
      Add to Cart
    • Image of Butyl Tape by Crawl Space Ninja Image of Butyl Tape by Crawl Space Ninja Image of Butyl Tape by Crawl Space Ninja Image of Butyl Tape by Crawl Space Ninja
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      Crawl Space Ninja®

      Crawl Space Ninja® Foundation Butyl Tape - Butyl Tape 1.5"x75'

      MSRP:
      Now: $49.99
      Add to Cart
    • Image of Christmas tree fastener for vapor barrier Image of Christmas tree fasteners for vapor barrier Image of Christmas tree fastener for vapor barrier Image of Christmas tree fasteners for vapor barrier
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      Crawl Space Ninja®

      Crawl Space Ninja® Christmas Tree Fasteners

      MSRP:
      Now: $19.99
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    • Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft
      Quick view Details

      Crawl Space Ninja®

      Crawl Space Ninja® Insul-Barrier R Value R-8.73 - 100 sq ft

      MSRP: $199.99
      Now: $136.00
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    • SALE
      Image of Lomanco PCV-1 Ventilation Vent Fan Image of Lomanco PCV-1 Ventilation Vent Fan Image of Lomanco PCV-1 Ventilation Vent Fan Image of Lomanco PCV-1 Ventilation Vent Fan
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      Lomanco®

      Lomanco PCV1 Foundation Vent Fan

      MSRP:
      Was: $229.99
      Now: $189.99
      Add to Cart
    • Image of Dimple Vapor Barrier Underlayment by Crawl Space Ninja Image of Dimple Vapor Barrier Underlayment by Crawl Space Ninja Image of Dimple Vapor Barrier Underlayment by Crawl Space Ninja Image of Dimple Vapor Barrier Underlayment by Crawl Space Ninja
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      Crawl Space Ninja®

      Crawl Space Ninja® Dimple Underlayment

      MSRP:
      Now: $239.99
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    • Image of Condensate Pump Kit for Dehumidifier Image of Condensate Pump Wiring for Dehumidifier Image of Condensate Pump Kit for Dehumidifier Image of Condensate Pump Wiring for Dehumidifier
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      Diversitech®

      Diversitech® CP-22LP Condensate Pump Kit

      MSRP:
      Now: $129.99
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    New Products

    • Wayne AMERICAN MADE 1/2 HP Heavy Duty ALL Cast Iron Submersible FIVE YEAR WARRANTIED Sump Pump Wayne AMERICAN MADE 1/2 HP Heavy Duty ALL Cast Iron Submersible FIVE YEAR WARRANTIED Sump Pump
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      Wayne

      Wayne AMERICAN MADE 1/2 HP Heavy Duty ALL Cast Iron Submersible FIVE YEAR WARRANTIED Sump Pump

      MSRP:
      Now: $269.99
      Add to Cart
    • Shear Lock Installer Kit Shear Lock Installer Kit
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      Carbon Guard®

      Shear Lock Installer Kit

      MSRP:
      Now: $244.99
      Add to Cart
    • Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier
      Quick view Details

      Crawl Space Ninja®

      Crawl Space Ninja® 12-Mil Woven Crawl Space Vapor Barrier

      MSRP:
      Now: $154.99
      Choose Options
    • Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF
      Quick view Details

      Crawl Space Ninja®

      Crawl Space Ninja® 12-Mil Crawl Space Vapor Barrier – 500 SQF

      MSRP:
      Now: $139.99
      Add to Cart
    • Carbon Guard SL "Shear Lock" System Carbon Guard SL "Shear Lock" System Carbon Guard SL "Shear Lock" System Carbon Guard SL "Shear Lock" System
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      Carbon Guard®

      Carbon Guard SL "Shear Lock" System

      MSRP:
      Now: $1,399.00
      Add to Cart
    • Crawl Space Ninja Custom Pre-Fab Crawl Space Doors Crawl Space Ninja Custom Pre-Fab Crawl Space Doors Crawl Space Ninja Custom Pre-Fab Crawl Space Doors Crawl Space Ninja Custom Pre-Fab Crawl Space Doors
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      Crawl Space Ninja®

      Crawl Space Ninja Custom Pre-Fab Crawl Space Doors

      MSRP:
      Now: $325.00
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    • SALE
      HALO50 WiFi Enabled Sump Pump (Limited Quanties) HALO50 WiFi Enabled Sump Pump (Limited Quanties) HALO50 WiFi Enabled Sump Pump (Limited Quanties) HALO50 WiFi Enabled Sump Pump (Limited Quanties)
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      HALO50 WiFi Enabled Sump Pump (Limited Quanties)

      MSRP:
      Was: $359.00
      Now: $339.15
      Add to Cart
    • Vollara Air & Surface Pro (No Ozone) Vollara Air & Surface Pro (No Ozone)
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      Vollara Air & Surface Pro (No Ozone)

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    Shipping Included
    Products come with free shipping in the Continental US unless otherwise stated in the product description.
    0% APR Financing
    Get easy to manage monthly payments for all orders over $50 with 0% APR (subject to approval).
    Quality Products
    Crawl Space Ninja has been fixing crawl spaces since 2005. We offer only the top products for your crawl space.
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    Crawl Space Ninja
    320 Huntsville Industrial Dr
    Huntsville, TN 37756
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    Recent Blog Posts
    • DIY Crawl Space Mold & Moisture Guide
    • How Long Do Sump Pumps Last? And Why Your Drainage System Matters
    • Reclaim Your Crawl Space: Protect Your Home from Moisture, Mold, and More
    • It’s Rainy Season—Here’s Why Hydraway Strip Drain Is the Smartest Way to Stay Dry
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