Flex-H20 Polyurethane Crack Sealer Injects Deep Into Concrete And Masonry Cracks From Tiny To Quarter Inch Flexible Leak Proof Patch Quick Cure 9 Oz Go-To Anchoring Restoration And Strengthening

Regular price $88.88 Sale price$150.00you save $61.12
SKU: VXB0149JCG22





Single 9 oz cartridge Flex-H20 crack sealer for concrete
✔️ 9 oz cartridge seals 1/32 to 1/4 in cracks quickly in concrete

The Crack-Pac Flex-H2O polyurethane injection sealer is a fast-curing patch designed to fill cracks and voids in concrete and masonry from 1/32 to 1/4 in wide. It’s ideal for non-structural crack repair in foundations, walls, basements, brickwork, and wastewater facilities. The clear formula blends with most substrates to form a durable, flexible seal.

✅ 9 oz cartridge provides easy, one-shot repairs
✅ Seals cracks 1/32 to 1/4 in wide in concrete and solid masonry
✅ Fast-reacting formula expands within 1 minute of moisture exposure; full expansion in about 3 minutes
✅ 20:1 expansion ratio helps fill cracks efficiently with minimal material
✅ Works in wet or dry cracks; non-structural repair for concrete, brick, wastewater facilities
✅ Clear color blends with most substrates

💡 What is a polyurethane crack sealer used for in concrete and masonry repair?

In general, polyurethane crack sealers are handy for quick, handy sealing of non-structural cracks in concrete and masonry, helping prevent water intrusion and extend surface life.

  • Handy for sealing non-structural cracks in foundations, walls, and masonry projects.
  • Expands as it cures to form a flexible, leak-proof patch.
  • Works in both wet and dry cracks and adheres to concrete, brick, and masonry.
  • Applies with a standard caulking gun for controlled repair.