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SIKA

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.

Product ID: 20552194

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Details

Material
Polyurethane
Brand
SIKA
Style
Compact
Item Weight
16 ounces
Item dimensions L x W x H
11.5 x 2 x

🎨Paintable & stain-free finish

🔒Ultra-strong adhesion

🌧️Weatherproof moisture barrier

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 invisible shield your home deserves!

CERTIFIED QUALITY - Meets federal and ASTM standards, reducing radon exposure for safer environments.
INVISIBLE PROTECTION - Self-leveling formula that blends seamlessly and can be customized with paint or stain.
SEAL WITH CONFIDENCE - Exceptional elasticity prevents cracks and tears for lasting durability.
EFFORTLESS APPLICATION - 10.1 fl oz cartridge fits all standard guns with a precision tip for mess-free sealing.
WEATHERPROOF YOUR SPACE - Effectively blocks moisture infiltration across multiple surfaces.

SIKA is a high-performance polyurethane sealant designed for strong, elastic, and weatherproof seals on brick, masonry, wood, concrete, and metal. It offers a paintable, self-leveling finish that won’t stain surfaces, meets federal and ASTM standards, reduces radon levels, and comes in an easy-to-use 10.1 fl oz cartridge compatible with most application guns.

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?

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KSh4512

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