A true structural repair. The surface seal becomes an integral part of the crack injection process. To use the concrete filler, cut the nozzle off the bottle and slowly fill the cracks (image 1). If you're using mixed concrete patch, mix according to the. frequently asked questions; Crack Repair: Download *This FAQ Sheet is intended as a guide only. Assessment from your local supplier or Concrete Coatings, Inc. How to repair cracks in concrete floors permanently in as little as 10 minutes. Works on all industrial type floors and even in freezing temperatures. Concrete Repair Products Concrete Acrylic Fortifier (1 qt.) Acrylic resin admixture designed to enhance bonding and water resistance of concrete patching materials. Concrete Repair Home Concrete Crack Repair Evaluation What Causes Damage to Concrete? Typical Concrete Problems and Why They Occur Concrete Repair Methods Want to watch this again later? Sign in to add this video to a playlist. How to repair cracks in concrete. Step by step instructions to repair cracked. Concrete Crack Repair. Concrete Floors and Slabs Crack Repair Information about repairing cracks in concrete floors and slabs. Troubleshooting Cracks in Concrete. Surface Area Type of Crack, Leak Your DIY Concrete Crack Repair Solution ; POURED CONCRETE WALLS: Cracks ( 1/2 ), Hairline Cracks: Fill with DIY Crack Injection Kit. Use mortar repair in a caulking tube to fill in the small cracks, forcing it into the crack to seal it and prevent water from leaking into the concrete.