Polyurethane Crack Injection Instructions

In just 6 easy steps


PLEASE READ ALL DIRECTIONS CAREFULLY & WEAR SAFETY GOGGLES DURING INSTALLATION


Step 1: PREPARATION

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


Step 2: PORT LOCATIONS

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 track

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


Step 3: PORT INSTALLATION

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

b. Dispense a small amount of RCF High Strength Anchoring 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 Anchoring 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 at previously marked locations

Tools: Gloves, disposable work surface, ports


Step 4: COVERING THE CRACK

a. Dispense approximately 1/3 of the tube of the RCF High Strength Anchoring Epoxy Paste onto the disposable work surface (like cardboard). 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


Step 5: INJECTION

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 High Strength Anchoring Epoxy Paste 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 High Strength Anchoring Epoxy Paste and Polyurethane Injection Expanding
Foam have cured knock the ports off the wall using a hammer

Tools: Hammer


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