Polygem LCR Epoxy Concrete Crack Repair Kit - Stops Leaks - High-Performance Structural Bonding - Professional Grade - Reliable & Effective - DIY Friendly - Versatile - Wood, Fiberglass, Metal & More

Product worked as advertised mostly. One tube's mixer did not separate from the foil which made mixing hard, but not impossible. FYI, of this happens do not push hard enough to dislodge the bottom, this is what some other reviewers are complaining about, but it's avoidable. Watch the how to vids on YouTube. Some helpful tips, since if you're reading reviews you likely haven't done this much: 1. Be very thorough in putting the epoxy around the injector base. Use more than you think you need, you should have plenty of epoxy. 2. Use nails to position the injectors against the crack, as they tend to move if you are not careful and might get blocked by epoxy. 3. Have a quickset epoxy on hand before injecting in case you find any holes in your epoxy job. 4. Use very little pressure, and watch the tiny bubbles in the nozzle to see if it's still flowing in. If it is not, it's likely the injector is blocked. 5. Put down some sheets or cardboard, as you will likely leak the resin at some point unless you are very practiced. 6. Each tube handles about 4 feet, but the kit only comes with 6 injectors. Where the crack is wider, you can put them much further apart than 8 to 12 inches as recommended. You can always order more injectors, but I doubt you really need them. Frankly if you need more than two tubes of resin, your crack is likely too big for this repair and you need a professional.

It sealed my wall great.

Easy to use and worked as it should. It slowed down our leak. We just bought a second box hoping it completely seals it. We are also redoing some dirt work on the outside of the house to divert water.

One review on here complains of the tube blowing out the back and all over his bench. Most likely he was not mixing correctly and not holding the tube firmly enough to a solid surface. You can reseat the bottom if you see it coming out by pressing down. He went on to say that when he did start injecting, the epoxy came out of part of the port and leaked onto the floor and therefore the product is broke. The product was not broke, instead, he failed to properly seat, seal, or allow it to cure, and the problem was with his prep work. The epoxy paste that beds the injection ports and seals the crack surface takes 12 hours to cure before you can inject. Its the reason I only give this 4 stars. There are other brands that have a quicker set up time for this step, which is important, especially if you have dug the exterior of the foundation or if rain is coming. My point is, this system works well for cost v quality, (Ive used 3 of these myself) but you will need some knowledge and/or skill to successfully complete this type of job no matter what brand you use.

Use my experience as part of the instructions to save yourself a headache! My first attempt failed with this product…..it was 100% my fault. My project was going great, the sealer that is applied first went on fine. It cured as expected. My failure was not sealing the crack fully at the bottom edge. I didn’t pay enough attention to this as I read the reviews stating the product was very thick. It is not thick, it flows easily through the cracked concrete and right out the hole I left at the bottom edge! I put $100 worth of epoxy into the crack and 75% of it ended up on my floor. Again….my error. The kit is great…..I will order another and repair my failure as technically I can see this will be a perfect repair process! The pool of epoxy on my floor is hard as can be….imagine how good it would be if I did it right and that cured epoxy was in my crack!

I read many reviews on this product and thought that the good outweighed the bad... I was sorely mistaken as when it arrived it already showed signs of leakage on the box, when opened one of the epoxy tubes had leaked. I thought it didn't look that bad and proceeded to prep my concrete wall for the use of this product. got the application pieces attached with the crack sealer and proceeded to coat the crack base to ceiling and waited the allotted setting time prior to injecting the epoxy. opened the bag with the tube that looked like it had leaked and proceeded to follow the instructions for mixing, did not even get to the first push of the tube and the back exploded and all the epoxy shot out onto my work bench.. I did not have a large crack to seal so I figured I would have better luck with the one that didn't look like it had leaked. I proceeded to start mixing this one and on the 4-5th push of the tub it started to try and blow out. I managed to keep this one together long enough to finish mixing and relieve the pressure when I removed the mixing rod and attached the cap for injection. I managed to be able to at least start injecting with this tube and hope that it would span the crack I had... two pumps of the injection and the epoxy pushed out a portion of the injector port and started leaking on the floor... after a long 30 mins of trying to get this to work I pray that the epoxy that made it into the cracks expands and seals the crack enough that I do not have further issues... I would most defiantly not recommend this product as it appears to be poorly made...

Worked very well. Would definitely buy again

I did a lot of research before I chose this brand. It is easy to work with. The best feature is that they include the 2 parts of the epoxy in the one tube and you never have to touch the epoxy that goes into the wall. The grey epoxy that you mix to put on the wall surface, comes with far more than needed. I was able to glue 16 feet worth of crack with one kit. By the 2nd repair I was getting complements saying I was a pro.

Structural repair not a water sealant