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SIKASikaflex - White - Construction sealant (White) - All-Purpose Polyurethane sealant - for All Types of Joints 1/2" or Smaller - 10.1 fl oz

SIKASikaflex - White - Construction sealant (White) - All-Purpose Polyurethane sealant - for All Types of Joints 1/2" or Smaller - 10.1 fl oz

Q: can this be used in-between cement joints in a walkway?

Sika’s self-leveling sealant (and backer rod) is the most appropriate product for that situation. The backer rod prevents 3 point adhesion, which you should look up before performing this job. Self-leveling sealant will flow downhill if used on a slope, so the construction sealant might be a better choice in that particular case.

Q: If used to fill gaps between tiles, how does this (polyurethane) compare with epoxy grout ?

This has a silicone texture, I will use it in for the outdoor area. I would not use this to fill gaps between tiles, you should use epoxy grout especially if it's indoor.

Q: Will this adhere to asphalt for the crack between driveway and cement apron? I’d rather use a weatherproof flexible sealant than asphalt cold patch.

It should! This was recommended by the company who raised up three LARGE concrete patio slabs. Unfortunately, the slabs had all moved in different directions, letting water sit up against the foundation. Once raised up, with settling of earth underneath, a couple of the slabs cracked. I used this sealant to fix those cracks. It's remained in place through two Pacific Northwest (wet) winters. It's remained flexible, keeping slab pieces together with no slippage. Good product!

Q: Can I throw some sand on top of horizontal morter cracks after applying the Sikaflex to give it texture?

I think you can. Think of it as a kind of epoxy. If you throw some sand on its surface before it dries, the sand will end up imbedded in it.

4.5/5

Product ID: 276474157

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Details

Material
Polyurethane
Brand
SIKA
Style
Compact
Item weight
454 g
Item dimensions L x W x H
29.2 x 5.1 x

🎨Paintable & stain-free finish

🔒Ultra-strong adhesion

🌦️Weatherproof & moisture-resistant

Frequently Bought Together

SIKA 90618 Sikaflex Construction, 10.1 fl. oz, White 10OZ WHT Const Sealant, 10-Ounce

Newborn Octogun 930-GTD Drip-Free Caulking Gun - Gator Trigger Grip | Fits 1/10 Gallon Cartridge |10:1 Thrust Ratio | Smooth Hex Rod Cradle with Built-in Smoother Tool | Scraper & Plug Included

Sikaflex Crack Flex Sealant, Gray, High performance, textured polyurethane sealant, self-leveling, sealant for sealing horizontal cracks, 10,1 fl. Oz

Description

🔧 Seal smart, live secure — the last sealant your projects will ever need!

CERTIFIED QUALITY - Meets federal and ASTM standards with radon-reducing urethane technology.
INVISIBLE PROTECTION - Self-leveling, paintable formula that blends seamlessly without staining.
SEAL WITH CONFIDENCE - Exceptional elasticity and adhesion for joints up to 1/2"—no cracks, no tears.
EFFORTLESS APPLICATION - 10.1 fl oz cartridge fits all standard guns with a precision tip for flawless sealing.
WEATHERPROOF YOUR SPACE - Blocks moisture infiltration across brick, wood, concrete, and metal surfaces.

SIKASikaflex White is a professional-grade polyurethane sealant designed for all joint types up to 1/2". It delivers superior elasticity and adhesion, ensuring durable, weatherproof seals that prevent moisture damage. Paintable and stain-free, it blends invisibly into surfaces and meets rigorous federal and ASTM standards, making it the trusted choice for both amateur and professional use. Packaged in a convenient 10.1 fl oz cartridge, it offers precise, easy application for flawless results every time.

Specifications

Manufacturer	SIKA CORPORATION
Part number	90618
Item Weight	454 g
Product Dimensions	29.21 x 5.08 x 29.21 cm; 453.59 g
Item model number	90618
Size	10.1 oz
Color	White
Style	Compact
Material	Polyurethane
Item Package Quantity	1
Temperature Range	40-100 Degrees Fahrenheit
Measurement System	Metric
Specific uses	Amateur, Professional
Included components	Multitool Accessory
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

can this be used in-between cement joints in a walkway?

If used to fill gaps between tiles, how does this (polyurethane) compare with epoxy grout ?

Will this adhere to asphalt for the crack between driveway and cement apron? I’d rather use a weatherproof flexible sealant than asphalt cold patch.

Can I throw some sand on top of horizontal morter cracks after applying the Sikaflex to give it texture?

Common Questions

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TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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€ 35.51

Duties & taxes incl.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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