• Concrete foundation crack injection kits for basements

    Concrete Foundation Repair

    Leaking & Structural Cracks

    Polyurethane for leaks. Epoxy for strength. See kits below.

    Premium polyurethane and epoxy injection kits fix most poured-concrete foundation cracks from the inside—no digging. Choose the right system for leaking or structural repairs.

  • NextStar store polyurethane and epoxy crack injection products

    NextStar Online Store

    Quality Supply & Support

    DIY & contractor kits. Fast shipping.

    Shop professional-grade polyurethane and epoxy crack injection systems for basements and foundations—backed by expert guidance before and after your repair.

  • Polyurethane injection for leaking basement cracks

    Leaking Foundation Crack Repair

    Polyurethane Injection

    Hydrophobic foam expands to seal leaks.

    Use hydrophobic polyurethane foam to stop active water leaks. It reacts with moisture and expands through the full wall thickness for durable waterproofing.

  • Epoxy injection kit for structural concrete crack repair

    Structural Crack Repair

    Epoxy Injection

    Bond concrete back to original strength.

    When strength matters, epoxy injection structurally bonds the crack. Multiple viscosities address hairline to wider cracks using proven low-pressure methods.

  • High-pressure crack injection for fine or previously repaired cracks

    Challenging Conditions

    High-Pressure Options

    Drive resin into fine/hidden paths.

    For hairline or previously repaired cracks, high-pressure delivery drives polyurethane or epoxy into fine, hidden pathways for complete penetration.

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Plastic parts -Mixers- Nuts-feed hoses for crack injection
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Supplies & Refills  > 

Surface Paste, Mixers ,Ports

Epoxy surface sealing paste , static mixers and supplies for concrete crack injection

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High Pressure Crack Injection Packer 4x1/2in inch 50 Lot
4 inch high-pressure concrete crack injection mechanical packer.Fits 1/2 in drilled hole usually used with Polyurethane foam.
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NX2000
$75.00 USD
InStock

High Pressure Hammer-in Injection Packer
3 inch x 3/8 hammer-in high-pressure concrete crack injection packer.Fits 3/8 in drilled hole usually used with Polyurethane foam.
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NX2001
$1.00 USD  $0.78 USD
InStock

20 Min Fast Epoxy Port Surface seal
NextStar 900 20-minute very fast port setting epoxy paste. Ideal for contractors that need to complete the foundation injection in one visit. No waiting around to set ports or sealing overcracks.
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NX2800
$37.00 USD
InStock

Paste 901 Port Setting Epoxy 600 ml Cartridge
60-90 min cure time, 901 is a Medium setting port sealing paste epoxy. Used primarily for setting injection ports in place and general sealing over cracks before injection. High strength.
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NX2801
$38.00 USD
InStock

903 Epoxy paste surface seal
3-4 hour slow setting port sealing paste epoxy. Used primarily for bonding injection ports on to concrete and general surface sealing over cracks before injection. Standard in Nextstar Kits. DIY friendly.
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NX2802
$35.00 USD  $27.00 USD
InStock

Paste 302 Port Setting Epoxy 600ml Cartridge
45-75 Min fast setting port sealing epoxy paste is used for setting surface ports in place and general sealing over cracks before injection. High strength, Contractor’s preferred choice.
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NX2803
$48.00 USD
InStock

455 Fast Set Epoxy paste
20 - 45 min Cure time, short pot life or working time however. Surface epoxy used mainly by contractors for fast repairs or when time is limited. Pro use only, not DIY friendly.
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NX2804
InStock

Port Low Pressure STANDARD Surface Crack Injection
Injection ports for low-pressure concrete crack injection. Can be injected directly from a mixer or a feed hose. Use with all epoxy and polyurethane cartridge products.
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NX2810
$0.85 USD
InStock

Port Low Pressure CORNER Crack Injection
Injection corner ports for low-pressure injection repairs in the corner or drilled injection locations. Can be used with all Epoxy and Polyurethane products.
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NX2812
$0.90 USD
InStock

Port Low Pressure Extra Low Profile Crack Injection Surface
Extra-low profile surface port for low-pressure crack injection. Use where the ports cannot protrude from the surface.Behind or hard to access areas.
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NX2814
$1.55 USD
InStock

Pound-in Port Low Pressure
Pound-in ports for low-pressure concrete crack injection. Used with epoxy and polyurethane resins to deliver material deep into cracks. This is essential for foundation repair and waterproofing projects. DIY and professional use.
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NX2815
$2.00 USD
InStock

Auto Injector for Polyurethane & Slow Setting Epoxy
Auto-Injector capsules for self-injection pressures to 40 psi without special injection tools. Ideal for LV polyurethane foams or ULV slow setting epoxy. Perfect for a DIY one time repair.
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NX2816
$2.00 USD
InStock

Nut for Static Mixer 9 Pitch Dual Cartridges
Nut for attaching static mixers to all epoxy or polyurethane foams in dual tube sets.
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NX2818
$0.75 USD
InStock

Static Mixer Selector for dual cartridge tubes
Choose the right tube mixer for epoxy or polyurethane foam products. Fits standard dual-component cartridges like 102, e555, 10-minute mender, and most brands.
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NX2820
$2.40 USD
InStock

Crack Injection Feed Hose for Epoxy & Polyurethanes
Low pressure crack injection feed hose assembly for hard to reach areas or extended injection time. Fits on the end of the standard mixer tube.
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NX2821
$9.00 USD
InStock

Dual 300x300mL Cartridges Set of 5
The standard dual 300x300ml 16oz x 2 cartridge is the standard in the construction industry, Set of 5 with caps, retaining nuts, and pistons. requires a standard mixer to be added.
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NX2823
$30.00 USD
InStock

Crossover Flow Restrictors for Dual Component Dispensing
The cross-over back-flow restrictor eliminates cartridge cross contamination between side of a dual cartridge system. This allows unused product to be used later without contamination.
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NX2824
$1.00 USD
InStock

Koster KD2 Blitz  Water Stop Powder 2.2lb Box
Fast Emergency water stop for cracks or holes that are actively leaking. KD2 Blitz powder sets in seconds and is perfect for the setting of ports. Can apply to a wet wall before injection. 2.2 lb 1 Kg box.
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NX2830
$22.00 USD
InStock

Koster KD2 Blitz Fast Water Stop Powder 33lb Pail
Fast Emergency water stop for cracks or holes that are actively leaking through concrete walls. KD2 Blitz powder sets in seconds and is perfect for the setting of ports. Can be applied to wet walls before injection. 33lb pail.
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NX2833
$219.00 USD
PreOrder

Epoxy Grout
1-gallon Epoxy set for grouting block wall cracks and repair general structural mortar repair.
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NX2835
$161.00 USD
PreOrder

Concrete Crack injection ports, pastes, and accessories for low-pressure Polyurethane or Epoxy injection systems.
 
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