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Step by step instructions to permanentely repair that leaky/dry concrete crack

STEP 1: Cleaning the Area to be Repaired

Step 1 - Clean Crack Using a wire brush, clean all loose concrete, paint, dirt and all other debris in the area to be repaired up to 5cm on either side of the repair area. Wipe the crack area down with a damp cloth. Use a chisel to remove loose concrete if necessary.

STEP 2: Installing Injection Ports

Step 2 - Installing Injection Ports To anchor the injection port into place, spread some adhesive on the back of the port being cautious not to cover the injection hole. Place the port over the crack and hold until secure. Spread some adhesive around base of port to anchor (see adhesive label for mixing procedures).


Place the first port at or near floor level. The rest of the ports should be spaced evenly apart with the distance between each port equal to the thickness of the wall (usually 8"). NOTE: If the crack is in a corner, special corner parts are available by calling 1-800-575-5325.

STEP 3: Capping the Surface with Adhesive

Step 3 - Capping the Surface with Adhesive Spread the stop-leak crack adhesive over the dry/wet crack, starting at the bottom. Do not mix more than you can use within 5 minutes. If the crack protrudes above ground level on the outside, be sure to cap that surface as well. Remember to first clean the crack on the outside with a wire brush as outlined in STEP 1 above. ALLOW ADHESIVE TO DRY COMPLETELY BEFORE CONTINUING WITH THE REST OF THE APPLICATION. (APPROXIMATELY 5-10 MINUTES).

STEP 4: Flushing the Crack with Water

Step 4 - Flushing the Crack with Water Establishing water flow through the crack is ESSENTIAL. Use a hand-held water spray bottle to establish flow throughout the crack. Start at the top port and inject water alternately into the three highest ports, allowing the water to drain from the lower injection ports. IN CASE OF LEAKAGE, STOP FLUSHING AND RESEAL WITH ADHESIVE. This procedure ensures continuity along the crack and cleans the crack of any foreign debris, grit, sand, dust, etc. which may inhibit the flow of the repair material.

STEP 5: Injection - Sealing the Wet/Dry Crack

Step 5 - Injection - Sealing the Wet/Dry Crack Cut the end off the injection cartridge and screw on the injection tip. Place the cartridge into your sturdy, quality caulking gun. Starting from the bottom port, insert the vinyl tube over the injection port and inject slowly, applying even pressure, allowing material plenty of time to react. When the resin flows out of the next injection port (this should take approximately 20-60 seconds), cap the current port and continue injecting through the next port. Remember: Inject until flow to next port is established, cap current port, inject in next port until flow is established to the third, etc. IN CASE OF LEAKAGE, STOP INJECTING AND RESEAL WITH ADHESIVE. If flow to the next port is not established, increase pressure to break the plugged material. If flow is still not established, release the pressure on the caulking gun and stick a long, fine wire into the injection port to try to break the plugged material. Try to inject more material in to this port. If flow is still not established, inject from the top, down. WARNING: BE CAREFUL AROUND FLOOR DRAINS AND DRAINAGE TILE.

STEP 6: Finishing

48 hours after injection, injection ports and sealing cement can be removed if you wish. (Just Peal Off)


WARNING
DO NOT inject between wood and concrete. IN THE CASE of seepage due to water runoff, crack may have to be plugged with FAST PLUG compound.

THE TEMPERATURE of the concrete must be at least 5ºC.

RUBBER GLOVES must be worn.

PROTECTIVE EYE gear must be worn. (i.e. face shield, goggles or safety glasses). ENSURE GOOD VENTILATION or wear respirator.