0033886064514

Sikaflex

Model 427706

Internet #203249445

Store SKU #652010

10 fl. oz. Crack Sealant

$7.48 /each
  • Gradually self levels into crack for a flexible finish
  • Textured to blend with concrete surface
  • Permanently water immersible after cure

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Product Overview

Sikaflex Crack Flex Sealant is a one part, polyurethane sealant for permanently repairing cracks in horizontal concrete surfaces. It can be used in cracks up to 1 in. wide and provides long term durability. Its elastic technology formulation allows the sealant to remain flexible and move with the crack.

California residents: see   Proposition 65 information

  • Gradually self levels in the crack
  • Water immersible after cure
  • Forms a permanent watertight seal
  • Textured for added density

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Customer Questions & Answers

27 Questions55 Answers

Customer Questions & Answers

10 fl. oz. Crack Sealant
10 fl. oz. Crack Sealant

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This question is from 10 fl. oz. Crack Sealant
 
5 answers

can this be used to repair cracks in garage floors

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Red Lion, PA
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July 14, 2016
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Asked by
Red Lion PA
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August 23, 2016
Answer: 
After reading the answers to my question I used it to repair a large crack in one of the garage floor slabs caused by settling. I cleaned the crack with a brush followed by vacuuming then filling it a little at at time adding more as the material settled into the crack but before it cured. It worked great and I actually used less than I thought I would based on prior comment by others.
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Asked by
Concord, NH
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August 22, 2016
Answer: 
Yes if it's concret yes you can, just make sure cracks are cleaned free of debris before you use it.
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July 15, 2016
Answer: 
Hello and thank you for your question. Yes, this can be used to repair a crack on a garage floor. The minimum crack width and depth would be 1/4" by 1/4". Please copy and paste the link to go to Sika's page for residential sealants. Find Sikaflex Crack Flex Sealant and view the product data sheet. Link: https://usa.sika.com/en/residential/residential-pim/02a024/02a024sa008.html
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July 15, 2016
Answer: 
Hello and thank you for your question. Yes, this can be used to repair a crack on a garage floor. The minimum crack width and depth would be 1/4" by 1/4". Please copy and paste the link to go to Sika's page for residential sealants. Find Sikaflex Crack Flex Sealant and view the product data sheet.
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Asked by
Chesterfield VA
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July 15, 2016
Answer: 
Yes
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Can sikaflex be used to fill cracks in blacktop. Don't care that it is grey only. Used this on my concrete around my

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August 21, 2016
Pool. It is a fantastic product.
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August 24, 2016
Answer: 
Hello and thank you for your question. Asphalt has oils which release over time. These oils are bond breakers for polyurethane sealants. Sika does not recommend applying on asphalt for that reason.
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Asked by
Concord, NH
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August 22, 2016
Answer: 
Sikaflex it is a great product. I don't see why not work with blacktop! But remember blacktop it is more flexible/softer than concrete, so it could work or it could NOT work as longer as with concrete do!!!!
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Asked by
Chesterfield VA
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August 21, 2016
Answer: 
An expensive, but effective, solution.
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which is the best sika product for sealing the crack where my basement wall meets the floor.

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Asked by
Ruston La.
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August 6, 2016
I bought sika construction adhesive but should i have bought sikaflex crack sealant ?
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August 9, 2016
Answer: 
Hello and thank you for the question. The joint must be clean, sound and dry before the application. If the floor is 100% flat, Sikaflex Self Leveling can be used, no tooling is required. If there is a pitch, you can consider Sikaflex Concrete Fix which would need to be tooled in the joint.
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Asked by
Westwood, MA
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August 8, 2016
Answer: 
I would recommend the sealant because it is a somewhat thicker consistency than the adhesive. The crack sealant is supposed to be used on horizontal surfaces such as floor cracks, so it would probably do fine for the floor/wall joint.
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Asked by
Chesterfield VA
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August 8, 2016
Answer: 
go back and get the crack sealant, better yet ... but the 'self leveling' crack sealant and you shouldn't have to re-do for a very long time if ever.
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Is this a polyurethane sealant? I will be using it to seal against radon .

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Central Pa.
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February 5, 2016
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Asked by
Chesterfield VA
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June 3, 2016
Answer: 
Yes.
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February 11, 2016
Answer: 
Yes, this product has a polyurethane sealant.
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February 8, 2016
Answer: 
Yes it is a polyurethane sealant but it has not been tested for radon reduction. Sikaflex Construction Sealant has been seen to reduce radon. This sealant is also a polyurethane based product.
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Customer Reviews

Rated 4.6 out of 5 by 23 reviewers.
Rated 5.0 out of 5.0 by Concrete Pool Project Great product to fill cracks in pool deck. Power wash first, wear gloves when filling cracks. Let set for a week or more then power wash deck before painting concrete. August 8, 2016
Rated 5.0 out of 5.0 by Great Product Preparation of the crack was the hard part. This sealant is somewhat self leveling. A putty knife is required. You will want to check it as it sets up as it does flow into the crack and you may need to add more sealant and smooth with the putty knife again. It was slower curing than I expected. This was done in my son's house in Phoenix, AZ where it is dry, so I expected it to cure faster. Not drying so fast may be good if it is a long crack as it gives you time to work with it smooth it out. The crack had variations in width to be fair to the product. I had very satisfactory results. Home Depot sells a pair of Gorilla gloves, that worked well in protecting my hands and survived to protect another day. I cleaned the putty knife with a wet paper towel. Cut the very tip of the tube as it will give you more control of the sealant. May 31, 2016
Rated 4.0 out of 5.0 by fixed my crack I had a big nasty crack in my concrete driveway, I used this product to fill the gap. The directions say to just put it down on the crack with a caulking gun and let it sit. It is self leveling. After the fact I kind wish I would have used a putty knife on it to level it out. It kind has a little pump where the crack was. Look at my pictures and you can see what I am talking about. It seems durable though, and I don't expect it to fall off or anything. All I did for prep was sweep the cracked part of the driveway with a broom. September 25, 2013
Rated 5.0 out of 5.0 by Great product Great product! Not sure what to say about it.... it works. Easy to apply using a caulk gun, and it sealed my concrete perfectly. Used it on both the interior and exterior of my basement to prevent leaks. Had it there several months now and haven't seen any leaking. Now I am just trying to fill the minimum required characters because I have nothing more to say about it. December 4, 2015
Rated 3.0 out of 5.0 by OK but tedious with caulk gun This product performs as advertised. My only complaint is using a caulk gun can make this job slower than it should be job. I used it for expansion joints and it was difficult to do a professional looking job because of the nature of using a caulk gun (unless you use one regularly). I went though 2 tubes of this product before I stumbled across another brand that comes in a 32 oz plastic container. You squeeze it out like wood glue. I simply found the 32 oz container much easier and quicker. It also leveled out quicker than what came in the caulk tube. You may be perfectly fine with using a caulk gun, but I preferred the plastic container with the resealable cap.. It was also much cheaper. March 30, 2014
Rated 4.0 out of 5.0 by Sika seals shallow sidewalk splits Sikaflex flexible sealant is a cinch to use, and provides a nice, durable repair to those smaller cracks that develop in your sidewalk or driveway. I also like that the sealant, once cured, remains flexible, allowing for continued seal, even with seasonal movement of the concrete. A word of caution, however-- Sikaflex does work on cracks up to 1" wide, but only up to 1/2" deep-- a very small window of usability, in my opinion. If the cracks being repaired are deeper than 1/2", then you'll have to find a different product.. For SMALL sidewalk and driveway repairs, I'd recommend this product. August 6, 2013
Rated 4.0 out of 5.0 by Not So Long-Term I use this product to fill the "not-so-hairline" cracks developing in my exposed aggregate driveway. The best feature is its 'self-leveling' attribute ... squeeze it not-too-carefully along the crack and don't mess with it. It 'levels' so well, you'll probably need to go back over the cracks in a day or two. Needs improvement areas: the 'sand' color is too bright for exposed aggregate; its 'plasticity' lasts only a few years after which the normal expansion and contraction on the aggregate will crack the seal and you'll need to reapply. But I haven't yet found a better product. November 13, 2013
Rated 5.0 out of 5.0 by Best In Class - Have Used Sika for 5 Years I've been using this product for over 5 years to seal driveway cracks and it dispenses and holds up much better than 2 similar products I have tried. The competing products are harder to pump out of their cartridges (which is important if you are using a lot of tubes) and they do not have the flexibility and long-term elasticity of the Sika sealant. Be sure when you use this that you first fill the crack with a pre-filler (my favorite is limestone base because it compacts) else you'll waste the sealant down the crevice of the crack, which is expensive. Also, if you live in a cold climate, never let the sealant fill above the level of the concrete, else your snow shoveling equipment will snag it and pull it out. June 4, 2013
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