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29 oz. Self-Leveling Sealant Gray

  • Easy application that requires no tooling
  • Elasticity allows for natural joint movement
  • Strong and durable providing long term results
  • See More Details

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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 fl. oz. sizes is ideal for larger projects.
  • Gray in color
  • Resists cracking and shrinking
  • Won't break down if subjected to water immersion after cure
  • Excellent adhesion
  • Can be applied to green/new concrete 24-hours after cure
  • Can be applied on concrete that has been wet 1-hour after water source has stopped



  • California residents

Info & Guides

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BrandSikaflexSikaSika
Name29 oz. Self-Leveling Sealant Gray10.1 oz. Concrete Gap Sealant10.1 fl. oz. AnchorFix-1 Anchoring Adhesive
Price
Ratings
(419)
(27)
(77)
Use LocationFloorFloor,WallCeiling,Floor,Wall
Recommended ApplicationCement,Concrete,Masonry,MortarCement,Concrete,Masonry,MasonryCement,Concrete,Masonry,Mortar
Drying Time (hours)21/21/2
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Specifications

Dimensions

Container Size
29 oz.
Product Depth (in.)
2.5
Product Height (in.)
16.3
Product Length (in.)
2.5

Details

Color Family
Gray
Color/Finish
Gray
Drying Time (hours)
2
Features
Crack Resistant,Paintable,Pre-Mixed,Self-Leveling,Stainable
Interior/Exterior
Exterior,Interior
Product Weight (lb.)
2.6
Recommended Application
Cement,Concrete,Masonry,Mortar
Repair Type
Sealant
Returnable
90-Day
Use Location
Floor

Warranty / Certifications

Manufacturer Warranty
One year from date of installation.

Questions & Answers

57Questions24Answers

How many 29 oz. Self Leveling tubes will I need for a joint, 1 1/2 inches wide, 1/2 inch deep? Th...

Asked by Bucky April 25, 2021
2
Answers

I've been using this product for 30 year sand I cant tell you . My suggestion is to buy several tubes and return what you don't use, The 28oz tubes go along way. You did not state the length of the gap????

What would be the lineal footage per tube for a 1/2"x1/4" expansion joint

Asked by Rick April 16, 2021
2
Answers

Thank you for your question. For a 29oz cartridge filling a 1/2" wide by 1/4" joint, the approximate coverage is 34.9 linear feet.

Can this be used to replace pool mastic?

Asked by Tony January 31, 2021
2
Answers

I have used it, just fill the crevasse with clean dry sand to a depth of about 1/2" and thoroughly wire brush the concrete and remove the dust. Any moisture will cause bubbles. Surface must be dey, Dries to cure in+ 24 hours. Go slow to fill and have newspaper to set the calking gun on. Paint thinner clean up.

I have a wooden expansion joint that maybe leaking from the joint between wood and concrete. Can ...

Asked by UTPAL January 19, 2021
3
Answers

Thank you for your question. It would be best to remove and replace the existing sealant before the application of Sikaflex Self Leveling Sealant.

Will the self leveling Sealant work on in 8゚ angle

Asked by Bobby November 10, 2020
2
Answers

I used it on an angle around 12-15 degrees and I had some run out. 8 degrees might be OK but I wouldn't apply it when is was hot outside.

is this product uv resistance?

Asked by uncle September 16, 2020
2
Answers

Seems to be. I have used it for 30 years. Holds up well but eventually lights in sun.

Is this product paintable ?

Asked by zhou September 13, 2020
2
Answers

Yes

Can I use Sika Self-Leveling Sealant to fill expansion gaps on an epoxy coated floor?

Asked by Mavii September 12, 2020
2
Answers

Yes I am sure that it will. It will bond to anything. Filling small cracks will be a chore - as this can be a very messy material - and difficult to clean up. Make sure that you have cleaning supplies and plenty of rags - and use a VERY small hole in your tube - and take your time to ensure minimal material is used.

Can it be apllied vertically?

Asked by Mac August 5, 2020
3
Answers

Absolutely NOT. It is way too runny for that.

How long it takes to dry out

Asked by Alex July 31, 2020
4
Answers

How long to dry. Depends on the depth or thickness of the application. Most likely 24-48 hours after the application. Longer if the product is deeper or thicker & even longer then that if the humidly is high.

29 oz. Self-Leveling Sealant Gray - page 2

Customer Reviews

  • 4.5
    out of 420 reviews
  • 91% recommend this product
Filter by:
Showing 1-10 of 420 reviews
Exploded Tube - Quality Control?
Bought two tubes to seal joints in freshly skimmed driveway. Used one with decent results than loaded the second tube. Per instructions I cut the nozzle, punctured the upper inside seal, loaded it into the caulk gun and pulled the caulk gun handle to start. The tube made a gurgling sound and the stuff shot out of the caulking gun relief holes. Caulk went everywhere. Whatta mess! All over my freshly skimmed driveway! Tried to wipe it up but now I have smeared caulk all over the driveway, not to mention the ruined caulk gun. To say I am displeased is an understatement. However and to be fair - this is my second application of Sika on my driveway. The first application ultimately developed cracks and splits after a few years under oppressive TX summer heat. But I figured I would give it another shot. The sealant is a decent product but the packaging needs some quality control attention.
by spyboy49
2 people found this helpful
Believe me. Will blow out at bottom.
Even though I punctured good size hole, three out of four tubes blew out at the bottom. Big mess. Ruined gun and driveway. I don’t recommend this brand. Buy Loctite. Similar application with lower price.
by mp007
Response from Sika Retail RepSep 28, 2020
We are sorry to hear this. Please feel free to contact our Technical Service Department at 1-800-933-7452, option 5. SikaRetail
easy to apply, high quality and looks really nice.
You can use a chaser blade on an angle grinder to wider some cracks and make them look more even first (see 3rd photo), otherwise for normal spacing gaps in concrete it is super easy. Clean out the cracks to be concrete only, no dirt/etc. Use backer rod that is wider (1/4") bigger than the gaps you fill. Leave at least 1/4" but no more than 1/2" space between top of concrete and backer rod. The ratio you want is 2:1 width to depth ratio, and ideally no wider than 1" though i've gone a little wider than that in a couple places and it was fine. And then simply use caulking gun to fill in the gaps. Have paper towels on hand, ideally someone to hold them when you need them. Solvent based stains or paints can't be applied on top of this, but water based ones can.
by TravisK
Response from Sika Retail RepSep 17, 2020
Thank you for being a Sika customer. SikaRetail
5 people found this helpful
Very good for concrete cracks in the garage floor. Make...
Very good for concrete cracks in the garage floor. Make sure to do proper prep work of floor before use.
by HomeDepotCustomer
It comes with a leak...
It comes with a leak
by HomeDepotCustomer
Response from Sika Retail RepSep 17, 2020
We are sorry to hear this. Please feel free to contact our Technical Service Department. SikaRetail
1 person found this helpful
It's is very good product and easy to use , the only thing to me is expensive .
It's is very good product and easy to use , the only thing to me is expensive .
by Rofa
Response from Sika Retail RepSep 17, 2020
Thank you for being a Sika customer. SikaRetail
1 person found this helpful
works for joints that will not move
I just sealed my back patio due to expansion joints that were expanding. Based on the product descriptions of "elasticity" and all the stellar reviews, I figured this product would be perfect. After only one month this product had failed to stretch with the movement of the joint. Even the other joints I sealed showed the product separating from one of the spanned surfaces. Now the backing rod and sealant all have to be removed and the job has to be completed again with a better product. My office maintenance folks recommended "big stretch" caulking which appears to hold up great on our campus.
by Allen
Response from Sika Retail RepSep 17, 2020
We are sorry to hear this. It is important to follow the product installation recommendations and ensure that the joint is within the product's maximum limitations to achieve a long lasting application. SikaRetail
2 people found this helpful
This worked like a champ!
This worked like a champ!
by TJ
It's a great product. It's very important that you prep the area first. Use backer rod to fill in...
It's a great product. It's very important that you prep the area first. Use backer rod to fill in big gaps, otherwise you waste too much sealant. I would give it 5 stars, but I think it's an over priced item.
by Rickkit
4 people found this helpful
Great product!! Used spray foam and trimmed excess instead of...
Great product!! Used spray foam and trimmed excess instead of using backer rod for prep work. Downside is the product has an expiration date. Home Depot has a couple cases of near expiring product on the shelf. Found several tubes of a year or more on them and purchased those.
by JZ37
2 people found this helpful
Showing 1-10 of 420 reviews