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Poured Wall Reinforcements – Advanced Carbon Fiber Technology

LAYING OUT JOB/PREPARING THE WALL

Preparing the foundation wall for concrete repairStep 1: Measure the length of foundation cracks and divide the length into 2 ft. segments. Make sure that no obstructions interfere with the planned stitch locations and that there is no more than 24” between segments.





carbon fiber stitches Step 2: Mark the stitch locations on the wall, holding staple over the wall location (perpendicular to the concrete crack) and trace the area.




preparing concrete crack surface for injection Step 3: Prepare the crack surface as usual for injection, wire brush 2” along total length of the crack.




preparing wall surface so stitches can lay flat to wall Step 4: Prepare the wall surface within the traced area, remove paint, bumps and irregularities. It is best to use a dustless grinder to ensure staples lay flat to the wall. The surface must be as smooth as possible and free of dust for adhesion.




APPLYING REINFORCING STITCHES:

use surface seal on traced wall areasStep 1: Surface seal only over traced areas on the wall (where stitches are to be placed) by working a small amount of Emecole 301, 901 or 455 fast surface seal into the crack either through a mixer or by trowel. (No surface seal outside of crack.)


Applying surface seal and ports to concrete crackStep 2: Apply ports and surface seal to remainder of concrete crack outside of traced areas as usual.






prepare carbon fiber stitchingStep 3: Prepare staple by removing Clean Peel fabric and discarding. Place the staple over the roll of plastic Seal Sheet and cut Seal Sheet to length.





Apply epoxy to carbon fiber stitch Step 4: With the Seal Sheet under the staple, apply an even stream of Emecole 4121 epoxy in a zigzag pattern on the staple. Put as much epoxy adhesive as needed to make a smooth, flat layer.



spread epoxy evenly using trowel Step 5: Under the large trowel, spread the epoxy to achieve an even and flat coating.




placing stitch over concrete crack Step 6: Pick up the staple by holding the edges of the Seal Sheet and press into position, epoxy side on the wall. Begin at the lowest traced area over the crack and work up towards the top until all staples are placed.




completely cover stitch with epoxy using trowelStep 7: Leaving the Seal Sheet in place, trowel the epoxy out evenly over the staple. Ensure epoxy penetrates the grid and covers the staple completely. Use trowel to push epoxy to fill gaps and unfilled spaces. Grid must be completely covered.

Tip: Some areas of the staple may separate away from the resin because of the existing deflections in the wall. These areas can be anchored to the wall with a 1” concrete nail and a washer. All nails must go in the gaps between weaves. Nails are only needed when separation occurs.

check surface seal before completing crack repair processStep 8: Check to insure that the surface seal is as hard as a finger nail before completing the crack injection process.

 

Request Material Safety Data Sheet (s)

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Emecole, Inc.
P.O. Box 7486
Romeoville, Illinois 60446
800-844-2713
email: lcole@emecole.com

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