Structural Epoxy Injection Resin Instructions


Surface treatments are never the right option for fixing concrete foundation cracks. The concrete foundation cracks need to be fixed with crack injection.

Typically, nonstructural cracks are repaired with crack injection materials. If the crack is nonstructural and merely leaking, many contractors install a simple polyurethane to stop the leak and fill the crack. However, if the poured wall is cracked it will most likely crack again. There is usually something causing the crack and weakening the wall. Because this epoxy will fill the crack, strengthen the wall, and stop the leak.

If the crack is moving it needs to be filled with an epoxy. Epoxy bonds to the concrete inside the cracks and create a rigid, solid repair. It literally makes the crack bond to the wall again as if the crack was never there. It makes the wall actually stronger than it was before. In addition to epoxy crack injection, some cracks that move (open and close) also need carbon fiber staples. The carbon fiber staples can stop the structural crack from moving.

If your foundation cracks are due to the foundation sinking, then fixing the crack is like putting a band-aid on when you need surgery. If the cracks in your foundation is a sign of settlement, then you will need to call a piering contractor to discuss a solution. A combination of underpinning and carbon fiber wall supports and epoxy crack injection may be turn out to be the best solution. Overall, a professional foundation repair contractor should inspect your cracked foundation to make sure it isn’t signifying more serious structural issues with your house.

, Rhino Crack Resin Injection Instructions

Structural Epoxy Injection Resin Instructions

In just 6 easy steps


a. Examine the crack that is being repaired

b. Mark any areas that the crack is not continuous

c. Lay plastic down on floor

d. Clean the crack and immediate surrounding areas with a wire brush

Tools: Marker, wire brush, and plastic cover


Continuous Cracks:

a. Mark port locations approximately every 18″ starting from the bottom of the crack

Discontinuous Cracks

b. Mark port locations just above any discontinuous point in the crack

c. Space the remaining ports every 18” from the discontinuous locations

Note: Additional ports may be required for cracks with multiple discontinuous locations

Tools: Marker and measuring tape


a. Detach port cap from the side of the port and set aside

b. Dispense a small amount of RCF High Strength Epoxy Paste onto a disposable work surface such as cardboard or painters tray

c. Roll the entire flat edge of the port in the RCF High Strength Epoxy Paste

d. Make sure the hole for the port is not plugged with epoxy

e. Pressing firmly place the port directly over the crack and previously marked locations

Tools: Gloves, disposable work surface, ports


a. Dispense approximately 1/3 of the tube of the RCF High Strength Anchoring Epoxy Paste onto the disposable work surface (like card board). Add more as needed.

b. Apply the RCF High Strength Anchoring Epoxy Paste over the entire crack

c. Feather the epoxy approximately 2″ or more out on both sides of the crack

d. At port locations apply the epoxy around the entire port until the port base is no longer visible

Tools: Gloves, disposable work surface, spatula


a. On the epoxy gun, swap the black plastic pull tab located on the back of the epoxy gun
with one of the plastic pushers

b. Place the RCF Structural Epoxy Injection Resin with the static mixer into the epoxy gun

c. Starting at the bottom port push the static mixer into the port until you feel a click

d. Dispense resin until you see the resin coming out of the port located directly above

e. Remove the epoxy gun and push the cap into the port

f. Move to the next port and repeat the process until you have worked all the way up the wall

g. Repeat entire process for the additional two corner repairs.

Tools: Gloves, port caps

Step 6: CLEAN UP

Once the epoxy and resin have cured knock the ports off the wall using a hammer

Tools: Hammer

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