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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 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
    $15.00
    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 deadening qualities than PVC Schedule 40 DWV Foam Core and...
    Qty in Cart: 0
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    $15.00
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  • OateyĀ® 16oz Rain-R-ShineĀ® Medium Blue PVC Cement OateyĀ® 16oz Rain-R-ShineĀ® Medium Blue PVC Cement
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    OateyĀ® 16oz Rain-R-ShineĀ® 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 quick pressurization, and is easy to apply with...
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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 applications. Built with a durable thermoplastic housing...
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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 thermoplastic impeller, and SJE Rhombus® vertical...
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    $200.00
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  • 4 in. DWV PVC Sanitary Tee
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    4 in. DWV PVC Sanitary Tee

    $18.00
    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, flanging, and roll-grooved joining. All Charlotte Pipe...
    Qty in Cart: 0
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    $18.00
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  • 4" PVC DWV 45-Degree Elbow
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    4" 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, flanging, and roll-grooved joining. White pipe and...
    Qty in Cart: 0
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    $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
    $14.00
    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 deadening qualities than PVC Schedule 40 DWV Foam...
    Qty in Cart: 0
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    $14.00
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  • 4 in. PVC DWV Coupling
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    4 in. PVC DWV Coupling

    $6.30
    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 cementing, threading, flanging, and roll-grooved joining...
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    $6.30
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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

    $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. PVC Sch. 40 is highly durable, with high tensile and...
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    $38.00
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  • 3 in x 3 in x 3 in Fitting Pipe Size, Schedule 40
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    3 in x 3 in x 3 in Fitting Pipe Size, Schedule 40

    $15.00
    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, flanging, and roll-grooved joining. All Charlotte Pipe...
    Qty in Cart: 0
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    $15.00
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  • 3' PVC DWV Hub Coupling
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    3' PVC DWV Hub Coupling

    $3.75
    PVC fittings are for drain, waste and vent purposes. They are used in gravity-fed waste elimination systems and are for Non-Pressure systems where temperatures will not exceed 140° F. PVC is lightweight and easy to install. They require no special...
    Qty in Cart: 0
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    $3.75
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  • 3 in. PVC DWV 90-Degree Hub x Hub Elbow
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    3 in. PVC DWV 90-Degree Hub x Hub Elbow

    $7.50
    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, flanging, and roll-grooved joining.   White pipe and...
    Qty in Cart: 0
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    Price:
    $7.50
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