Concrete Crack Filler

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I have a really large separation (probably close to 3/4" in the slabs of my garage, and thought I would try using this to fill it in. Unfortunately, the soil under the slab has apparently sunk, so in most placed where I poured this cement patch, it just went down into the dirt and didn't fill the crack at all. In the couple of spots where there was a smaller crack or it didn't go all the way through to the dirt, this worked great. It does self-level as they state, which is much easier than trying to scrape it smooth and even with a putty knife or other tool.I was a little surprised at how little material was in each of the packs. It will be fine for very small cracks, but get consumed quickly for larger ones. I would recommend this for small cracks or those without long lengths to patch.

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I’m very impressed with this concrete crack filler. It was easy to apply and dried quickly. It created a smooth, durable seal that blended nicely with the surrounding concrete. The gray color also makes the repair much less noticeable.What really stood out to me was how well it sealed the small cracks and gaps where ants had been getting through. After filling the openings, I no longer saw ants burrowing through those spots. An unexpected but very welcome benefit.The consistency makes application simple. The flexibility helps the repair stay sealed instead of cracking right away. Having two tubes is also convenient for tackling multiple areas around the driveway or sidewalk.Overall this is a handy product for quick concrete crack repairs and sealing unwanted entry points.

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Ordered this so we can fill up a couple of small cracks in the driveway before they become big cracks. Having never used one of these kits before (and admittedly not being someone who is super handy) I was a little apprehensive on how well this was really going to work. But...once it arrived and I put it to use, I was very pleasantly surprised at how easy and simple it is!You get everything you need right in the package - no extra accessories or tools required. All you have to do is basically...open the bag and put the filler in the crack. That's it! It self levels, it dries SUPER fast, and things look good as new in no time. Excellent!So far it has held up really well - it has rained every day just about since we used this - and the cracks are still sealed, showing that weather resistance isn't just a "maybe" with this item - it really IS weather resistant, and so far, no cracks or peeling from the sun either. (We live in FL) So that's a huge win in my book!This is easy to use, it works really well, it's neat and clean to apply, it dries quickly, and it appears to be long lasting. Time will be the true test, of course, so I will come update this review should there be an issue.The price is great, too, so if you need one of these kits...you truly can't go wrong with this one. Highly recommend!!

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This kit comes with everything you need to repair all your crack. The Concrete Crack Filler kit comes in a set two. Each set come with one 17.64 oz bag of Concrete Crack Filler, a scraper, glue nozzle, brush, glove, scraper, and a caps. This is nice because if you only have a few small cracks to fix, you wont have to waste much if any and, you will still have another kit available to save and use on another project. This Concrete Crack Filler is very durable and strong after it has completely dried.This self leveling sealant can also be used to seal and repair a variety of types of materials such as asphalt, aluminum, fiberglass, wood, stone, metal and, TPO membrane used for sealing and installing a shower. I ordered this Concrete Crack Filler kit to repair a few small crack along the bulkhead. So far, the crack filler is doing a great job at preventing the crack from further separation. The sealer is a gray jell that dries into a smooth hard gray flat surfaces. This Concrete Filler takes up to 24 hours to fully cure to a solid state. The filler is made of a Silane Resin which is very durable. In addition, this crack filler is also waterproof and wont allow water to seep into the crack. Great product for the price.

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I purchased this concrete crack filler to repair several cracks that have gradually appeared in my driveway over the years. Although I cannot yet judge how well it will hold up through months of rain, heat, cold, and vehicle traffic, my initial experience with the product has been very positive.The application process was much easier than I expected. The filler comes ready to use, and the nozzle makes it simple to direct the material into the cracks without needing special equipment. After cleaning the damaged areas, I was able to apply the product smoothly and with very little mess. The consistency seems well suited for this type of repair because it flows into the cracks but is not excessively runny.I also noticed that the material has a flexible, rubber-like texture, which gives me confidence that it may be able to handle normal movement and expansion in the concrete. It leveled out nicely and created a cleaner appearance than the open cracks had before.Another major advantage is the price. Compared with other driveway repair products I considered, this option offers very good value, especially since the package includes two units. For a homeowner handling smaller repairs, it is an affordable and convenient solution.So far, I am very satisfied with the ease of use, consistency, finish, and overall value. I plan to observe the repaired areas over the coming months before making a final judgment about long-term durability, but the initial results are encouraging and promising so far.

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This zhaixiaobao silane-based concrete crack filler is an easy-to-use crack filler for cement and asphalt. It comes with simple instructions and is easy to use. Also, because it does not require complex steps like mixing or additional containers, it is a low-mess solution.I have long been puzzled by what kind of crack filler to use on cracked concrete and cracked asphalt since i have plenty of both. The wide variety of substances available at the local hardware store almost make the head hurt. I was not familiar with using a silane base for crack repair so this was new to me. (Silane - in this case - refers to a silicon-based polymer.)I staked out a crack in some concrete and another crack in asphalt for initial testing. I pulled the tiny weeds, swept away what dirt i could from inside the cracks and then laid down the crack filler. It went fairly simply and fairly quickly but those two small test plots taught me some things. For example as soon as i finished it occurred to me that i had seen cracks before that had been treated with what looked exactly like this filler. (The internet says that this type of silicone-based filler has been used for a long time by those who know about such crack repair.) Secondly, i had better outcomes when i simply applied the proper amount of filler into the crack and did not attempt to spread it with the plastic spatula. Attempting to spread the polymer resulted in an uglier outcome. Thirdly, i learned that it is necessary to protect newly-applied filler from doggie paws. From now on i will use scrap lumber to cover-over to protect the freshly-applied crack sealer.After two days in hot summer weather, the sealer still feels soft to the touch. So it is true that it does not form into a hardened substance as it cures. But it does seem to shrink a bit as it cures since the filled areas which i had tried to fill level with the surface of the concrete or asphalt recessed a little. According to the sales listing this crack sealer should withstand temperatures from -104°F to +194°F. And that wide range of temperature tolerance is the benefit of using a silicon-based polymer vs using some lesser substance for the repair. Of course, being a silicon-based product, this product is significantly more expensive than simpler crack repair products. But if it lasts far longer, then the higher cost could well be justified.It appears that this silane-based crack filler is going to keep the cracks filled and keep weeds from getting a start. And so that achieves the aim of this “repair.” And since this silicone-based sealer should remain flexible and shrink-and-grow with the freeze-thaw cycles we experience here in the upper Midwest, it hopefully will continue to do its job for many years to keep the weeds at bay.

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This is a very well thought out product usage package. Unlike cumbersome putty tubes, this flowable fluid comes in a flexible heavy duty plastic pouch with a cap to open and to close a partially used pouch. It includes two pouches, each 17.4 ounces which is much more than plastic putty tubes. It comes with two sets of nozzles, one which is about 3 -4 inches and tapers down to allow you to cut it for the diameter of the cracks to be prepared. It also includes two tapered end plastic putty knives to be used to level the cracks just filled. It includes a small brush to clean out the cracks before filling, although it is not very thick bristles, and a steel brush would be better. It also includes a pair of highly flexible gloves to protect your hands while applying the compound. The photos in the listing and the written headers on them suggest that the product will work well on vertical cracks in a concrete retaining wall, as well as chipped areas where two 90 degree walls come together. This product is also said t work on multiple surfaces such as metal and wood. It is self leveling but requires the use of the plastic putty knife to smooth it first. It also remains flexible so that if seasonal changes expand the filled crack this product will remain in place. The photos of cracks it can fill show some which are very narrow—1/16 to 1/8 inch. But when you view the detailed descriptions, in the photo and tabular display after the bulleted description, they say the cracks must be over 0.40 inches. Once the pouch is opened, it must be used within 30 days-which is too soon, but understandable.I asked Alexa if it could be used to fill horizontal and vertical cracks between concrete blocks on a foundation and she/it said it would in my first inquiry prior to buying. There is also a photo of it filling a vertical crack where two retaining walls meet. Later, after the product came, I asked Alexa and she/it said it could not be used between concrete blocks in a foundation, and that it would have trouble with a vertical crack in the retaining wall. I wanted to use it for vertical and horizontal cracks and cannot do that. I also wanted to fill narrow cracks and can’t do that either, It worked well on wider and deeper cracks in the sidewalk. I had to chip out some of the cracks a bit and use a steel brush to seal the two cracks wide enough for this to work; and it worked well on those. It bothered me to open and use a whole pouch for such minor repairs. I am planning on opening up a few cracks with a cold chisel and trying to fix the vertical chipped area and long vertical track which is less than a quarter inches wide on the top corner of our retaining walls.I like the product a lot—it is a much better sealant and crack fixing system than the putty knife or small acrylic compound squeezable tubes. I wish Alexa had been more accurate in the initial questions I asked before buying this. I also wish that the pictorial display of filling vertical cracks had been accurate. Nevertheless, this is a very good product with a very good application kit. Its physical characteristics and use of a new material technology make it stand out from alternatives. I also wish they had offered a paste version of this if that were possible.

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High Elastic, self leveling, and ready to use without mixing makes tackling my repairs feel much more manageable.I have driveway cracks and entry steps are cement. I like that I can use this for both. The two large bags are great. I can start with one which should be plenty for my requirement. I also noticed other places that could use sealing after starting the other projects. I have a brick plant box as part of the front of my house and this product should be great. Instructions Recommend to apply and fill in several even layers and to use within one month of opening. I like that while I clean an prepare I can seal it up and not worry about it drying or becoming hard to work with before I use it again. The kit has two short and two long nozzles, two spatulas, and a brush, oh yeah a set of gloves.It appears to deliver reliable waterproof repair becoming surface dry in 1 to 2 hours. Cure time is 24 to 48 hours after final application of filling a deep crack. I will plan the stair repair for another day. Initially I am pleased.