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Waterproofing & Drainage

Walder Foundation Products supplies professional-grade waterproofing products for crawl spaces, basements, and foundation drainage applications. Our selection includes drainage systems, sump pumps, vapor barriers, dehumidifiers, waterproofing materials, and accessories designed to help contractors manage water intrusion and moisture.

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  • 1-1/2 in PVC Sch 40 Socket Cap
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    1-1/2 in PVC Sch 40 Socket Cap

    Charlotte Pipe
    $0.64
    PVC Schedule 40 fitting that is for pressure systems where temperatures will not exceed 140° F. They are highly resilient, with high-tensile and high-impact strength. PVC Schedule 40 has better sound...
    Qty in Cart: 0
    Quantity:
    Price:
    $0.64
    Subtotal:
  • 1 in. PVC Sch 40 90-Degree Elbow
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    1 in. PVC Sch 40 90-Degree Elbow

    Charlotte Pipe
    $0.60
    PVC Schedule 40 fitting that is for pressure systems where temperatures will not exceed 140° F. They are highly resilient, with high-tensile and high-impact strength. PVC Schedule 40 has better sound...
    Qty in Cart: 0
    Quantity:
    Price:
    $0.60
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  • 1 in. x 10 ft. PVC Sch 40 Belled End Pipe
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    1 in. x 10 ft. PVC Sch 40 Belled End Pipe

    Charlotte Pipe
    $3.58
    PVC Schedule 40 Pipe is for pressure systems where temperatures will not exceed 140° F. They are highly resilient, with high-tensile and high-impact strength. PVC Schedule 40 has better sound...
    Qty in Cart: 0
    Quantity:
    Price:
    $3.58
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  • Oatey® 16oz Rain-R-Shine® Medium Blue PVC Cement Oatey® 16oz Rain-R-Shine® Medium Blue PVC Cement
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    Oatey® 16oz Rain-R-Shine® Medium Blue PVC Cement

    $17.49
    Oatey® PVC Rain-R-Shine Medium Bodied Fast Set Blue Cement is recommended for pool and spa, irrigation, potable water, pressure pipe and DWV applications. It is formulated for wet conditions and...
    Qty in Cart: 0
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    $17.49
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  • WFP 1/2 HP Submersible Multi-Purpose Utility Pump with 25 Ft. Cord
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    WFP 1/2 HP Submersible Multi-Purpose Utility Pump with 25 Ft. Cord

    Walder Foundation Products
    $140.00
    The WFP 1/2 HP Submersible Utility Pump is a versatile, high-performance pump designed for fast water removal in crawl spaces, basements, sump pits, construction sites, and other general dewatering...
    Qty in Cart: 0
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    $140.00
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  • WFP 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch
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    WFP 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch

    Walder Foundation Products
    $200.00
    The WFP 1/3 HP Cast Iron Submersible Sump Pump delivers dependable water removal for residential crawl spaces, basements, and sump pit applications. Built with a rugged cast iron housing, durable...
    Qty in Cart: 0
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    $200.00
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  • 4 in. PVC DWV Sanitary Tee
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    4 in. PVC DWV Sanitary Tee

    Charlotte Pipe
    $14.00
    PVC fittings are for drain, waste and vent purposes. They are used in gravity-fed waste elimination systems and are for Non-Pressure systems. To be installed with solvent cementing, threading,...
    Qty in Cart: 0
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    $14.00
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  • 4 in. PVC DWV 45-Degree Elbow
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    4 in. PVC DWV 45-Degree Elbow

    Charlotte Pipe
    $8.50
    PVC fittings are for drain, waste and vent purposes. They are used in gravity-fed waste elimination systems and are for Non-Pressure systems. To be installed with solvent cementing, threading,...
    Qty in Cart: 0
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    Price:
    $8.50
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  • 4 in. PVC DWV 90-Degree Elbow
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    4 in. PVC DWV 90-Degree Elbow

    Charlotte Pipe
    $9.90
    PVC Schedule 40 fitting that is for pressure systems where temperatures will not exceed 140°F. They are highly resilient, with high-tensile and high-impact strength. PVC Schedule 40 has better sound...
    Qty in Cart: 0
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    Price:
    $9.90
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  • 4 in. PVC DWV Coupling
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    4 in. PVC DWV Coupling

    Charlotte Pipe
    $5.50
    About This Product PVC fittings are for drain, waste and vent purposes. They are used in gravity-fed waste elimination systems and are for Non-Pressure systems. To be installed with solvent...
    Qty in Cart: 0
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    Price:
    $5.50
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  • 4 in. x 10 ft. PVC Schedule 40 DWV Pipe
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    4 in. x 10 ft. PVC Schedule 40 DWV Pipe

    Charlotte Pipe
    $38.00
    PVC Sch. 40 Pipe is dual marked and can be used in DWV and pressure applications. Gradual sloping fittings are used for DWV applications. Sharply angled pressure fittings must be used for pressure...
    Qty in Cart: 0
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    $38.00
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  • 3 in. PVC Sch 40 S x S x S Tee
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    3 in. PVC Sch 40 S x S x S Tee

    Charlotte Pipe
    $15.00
    PVC Schedule 40 fitting that is for pressure systems where temperatures will not exceed 140° F. They are highly resilient, with high-tensile and high-impact strength. PVC Schedule 40 has better sound...
    Qty in Cart: 0
    Quantity:
    Price:
    $15.00
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