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Concrete Crack Injection Video Guide | How-To

DIY Basement Crack Repair with Low-Pressure Polyurethane Injection

Professional-grade waterproofing results without contractor costs

No Digging Required

All injections are performed from inside your basement - no exterior excavation needed.

Permanent Waterproofing

Hydrophobic foam expands 10x to fill cracks completely and repel water forever.

Beginner Friendly

Includes all tools and instructional video - no prior experience needed.

Video Polyurethane Crack injection Highlights

  • 0:00 - Introduction to low-pressure injection
  • 1:15 - Proper surface preparation techniques
  • 2:40 - Injection port installation
  • 3:50 - Polyurethane resin injection process
  • 4:30 - Quality inspection and cleanup

Product Details

The NextStar Low-Pressure Polyurethane Kit includes:

  • High-grade hydrophobic polyurethane resin (1 quart)
  • 15 auto-injection ports with adapters
  • Upgrade kit to cover 60ft of cracks
  • Epoxy paste for port installation
  • Complete safety gear (glasses, gloves)
  • Instructional video flash drive
  • Detailed repair manual
  • Free phone support

When to Use This Kit

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Ideal for active leaks in poured concrete walls with cracks 1/32" to 1/4" wide. For hairline cracks (<1/32"), see our ULV Epoxy Kit.

Step‑by‑step video shows how to repair leaking basement cracks using NextStar’s low‑pressure polyurethane injection kit. Learn port setup, resin mixing, and injection techniques for effective DIY waterproofing.
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