Model # 106711

Internet #202523824

Store SKU #271360

Sikaflex 29 fl. oz. Grey Self-Leveling Sealant
0033886000451

Sikaflex

29 fl. oz. Grey Self-Leveling Sealant

  • Easy application that requires no tooling
  • Elasticity allows for natural joint movement
  • Strong and durable providing long term results
$12.97 / each
If you buy 10 or more
$10.38 / each

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Product Overview

Sikaflex 29 fl. oz. Self-Leveling Sealant is a single component, self-leveling, premium-grade polyurethane sealant with an accelerated curing capacity used to seal gaps, joints and cracks. No tooling feature saves time and money. 29 oz. size is ideal for larger projects.

California residents: see   Proposition 65 information

  • Gray in color
  • Resists cracking and shrinking
  • Won't break down if subjected to water immersion after cure
  • Excellent adhesion
  • Resists aging and weathering

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Customer Questions & Answers

If I have a 1/4 to 3/8 sawed joint 1 1/2" deep, and I don't use backer rod, how far will one 29 oz tube go.

Asked by: Rowdy
fill within 1/4" of top with sand then add sealant.
Answered by: eb
Date published: 2017-03-23

Can silk a flexible self-leveling get sealant be used to seal 3/4" joint between garage floor and driveway?

Asked by: Sandy
Yes, I have done just that, and it works very well. But don't use it along a swimming pool where chlorine may soften the sealant.
Answered by: Gene
Date published: 2016-11-09

Does this product come in larger quanity containers and what would be the cost of same?

Asked by: corn
Comes in 10 oz for $7.95 or 29 oz for $12.95 at Home depot..
Answered by: BigT
Date published: 2015-11-08

I am planning on polishing a workshop floor. I sawcut the expansion joints. Should I apply this p...

I am planning on polishing a workshop floor. I sawcut the expansion joints. Should I apply this product after polishing or before.
Asked by: AZTW
Hello and thank you for your question. Apply Sikaflex after the floor has been worked on. Make sure the joints are at least 1/4" wide and clean.
Answered by: Sika Retail Rep
Date published: 2017-03-23
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Customer Reviews

29 fl. oz. Grey Self-Leveling Sealant is rated 3.7 out of 5 by 38.
Rated 5 out of 5 by from Great Product. This is great stuff. Had no problems. Only bad thing, the printing on the small tube is NOT human readable characters with an unassisted eye. Should have a peel off, unfolding instruction / limitation sheet with larger font. I had to go online and find the information about this product because even with magnification I could not read the tube.
Date published: 2016-09-30
Rated 5 out of 5 by from Good Product This is the home building industry standard for sealing flat expansion joints. A few rules MUST be followed to get satisfactory results. Weather: 60-70 degrees with no rain for 2 days. Product skins over in a matter of hours, but takes at least 48 hours to cure; similar to concrete. Cracks or joints must be clean: If joints have dirt or dust on the sides, product will adhere to the dust, not the sides of the joint resulting in a poor bond to concrete. Joints must be level and foam backer rod be used: Product has the consistency of heavy cream. It is a liquid. If the joint is graded (sloped for drainage), the product will run out the lowest point. Backer rod MUST be over sized to fit tight. Any gaps will result in product leaking down past backer rod. Attention MUST be given to width and depth of the joint. If joint is excessively deep multiple layers should used , curing between layers; use the backer rod for deep joints. PREPARE BEFORE YOU START: Have a drop cloth, rags, and lacquer thinner handy to clean any drips. Product is famous for caulking gun run on, and will continue to drip from the gun. Product is VERY sticky and hard to remove from skin and concrete flat work. Follow these common sense rules and the joint will be sealed for 5 - 10 years in northern freeze - thaw climates.
Date published: 2016-10-03
Rated 5 out of 5 by from This is WAY COOL I had cracks in my expansion joints. The cracks were allowing water flow that was expanding the crack and would cause big problems. I wanted a DIY solution and tried this. It was very cool. The product is thin so it flows a little. Just use a calk gun to apply. It's thin consistency allows it to flow into the crack and finish very smoothly. It is rubbery when done so it should flex with the seasons. Most importantly, it sealed completely allowing no water to go through. Bam. That said, it really flows. If using it on a small crack make sure it goes into the crack or it will flow like syrup and just make a mess. Due to how thin it is, it will only work on a horizontally crack. It will just run down a wall. It does come in color and the 'sandstone' looked much better than grey at my house.
Date published: 2016-04-27
Rated 3 out of 5 by from Moderately good. It lasts and spreads evenly on its own accord. The product itself is very good. However, the tubing in which it comes needs to be improved. I bought 9 tubes of this sealer, and only six were usable. Three of the tubes had become hardened so that they were un-usable. It seems that the tube that contains the materials somehow leaks the solvent that keeps the sealant soft, and it hardens so that it cannot be applied using the applicator gun. It appears that the un-usable tubes had been mishandled and the area around the dispenser nozzle was beaten up. Improve the packaging so that it doesn't harden prior to use, and I'd give it 5 Stars rating. Otherwise it is only a 3 Star due to packaging and use. (Home Depot, feel free to contact me on this! You owe me for 3 tubes of this stuff)
Date published: 2016-10-02
Rated 3 out of 5 by from This product works well in applications such as between concrete slabs in walk ways where old exp... This product works well in applications such as between concrete slabs in walk ways where old expansion joints have deteriorated. However it does NOT do well in areas subject to pool chemicals such as chlorine more than 5ppm according to a Sika Senior Technical Service Specialist. In my case, the casting shock granules (54% trichloro-s-trazientrione) along the edge of the pool probably caused the softening of the cured sealant material when some of the small granules became wet. The softened sealant never re-cured and sticks to bare feet.
Date published: 2016-11-09
Rated 3 out of 5 by from Product is very inconsistent among different tubes. While the product is fairly easy to apply and flows/levels nicely, the product varies drastically between different tubes. I purchased 12 - 29 oz tubes (6 grey and 6 tan). 2 tubes of each color were as expected. 3 of each color were marbled when coming out of the tube (gray or tan with white streaks, like it wasn't mixed properly), and 1 tube of each had clear liquid coming out of the tube for the first third of the tube. Looked like oil. Very poor product quality control. I'm hoping the marble won't affect the durability.
Date published: 2016-06-09
Rated 3 out of 5 by from PROS- Self leveling to nice finish as long as I do not re-apply additional sealant too late due t... PROS- Self leveling to nice finish as long as I do not re-apply additional sealant too late due to finding some loss of sealant (see Cons) Cons- One defect tube (sealant leaked back to inside the caulking gun), which made a big mess (not pleasant) and had to stop the job); I should have returned the defected product for refund but did not do it since I live a distance away from the nearest Home Depot. MUST make sure no open passage to underground OR run into risk of wasting lots of expensive sealant, Lesson learned in my case - wasted about six (6) tubes for the 1st time application before realizing the problem; MUST install backer rod and also ensure no opening (even a crack opening can cause a problem of finishing look) Not cheap. Lastly, watch your back if the job is relatively big and you have to kneel down for extensive period of time for sealant application on floor and driveway.
Date published: 2016-11-15
Rated 5 out of 5 by from Great quality product, easy to apply, reasonable price Compared to similar higher viscosity non-self leveling products, this stuff is a breeze to apply. No troweling or smoothing required at all. MUCH less messy to apply. Like some other reviewers have mentioned, to ensure you are getting fresh product which will flow smoothly, gently squeeze the sidewall of the cartridge in the store to be sure it hasn't hardened. The case packaging has a date on it but some individual cartridges do not, so buyer beware. The per ounce price in these larger cartridges is considerably cheaper than the 10 ounce size. If you need more than about a half-dozen 10 ounce tubes, it's worth buying a larger gun to apply these 29 ouncers. The manufacturer's instructions say this is to fill horizontal cracks only. I called the Sikaflex tech support phone number and talked to an "expert' about applying this to an expansion joint that sloped about 1/4" per foot and he said it wouldn't work. Since I'd already purchased the product and opened the tube, I decided to experiment anyways. Guess what? It worked just fine. It may sound counter-intuitive, but I started at the high end of the joint and applied 2 or 3 feet at a time but not completely filling flush to the surface. After the caulk started to skin over in 10-15 minutes, I went back to the beginning and applied enough to fill the joint flush with the surface. I kept moving downhill a few feet at a time. It worked out just great - couldn't be happier. The non-self leveling type sealant is FAR messier to apply and much more difficult to get the surface smooth. This stuff is the way to go for all but very highly sloped cracks.
Date published: 2015-10-10
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