Will this work in joints in a sloped driveway? I have long expansion joints running parallel to the slope, but it's not super steep.

I like the other answers, and read them before I did my project. My driveway has about a 5-10% grade, with perpendicular and parallel joints, 1" width. I used 1.25" backer rod from an Amazon seller, but I bought the Sika sealant locally so I could return the excess. My fill was 0.25" The perpendicular joints were no problem. I made a couple of passes once it was clear that they wouldn't flow over. The flow along the parallel joint was so slow that it never sagged significantly. I had to add a small amount at the top a couple of hours later. I used a heat gun in the beginning, thinking that it would speed the set. Wrong. Low heat actually softens the sealant. But the heat gun was helpful in bringing bubbles to the surface and making them pop. Rough or irregular spots responded well to the lowest heat (Wagner Furno 500).

It says this product is paintable but it does not say that anywhere on the tube. Has anyone painted it with long term success?

I have never seen this product painted. It is a self-leveling caulk for wide joints in concrete primarily. Used around pools and in expansion joints. I always allow it to start to set then cover the surface with fine washed sand (no dust). This gives it a better appearance and extends the life years beyond what it would be without some UV protection. It should be used in a fairly thin application either with foam joint material or sand below it. Typically it is only 1/4 to 1/2" thick.

In roadway, how long before heavy traffic can cross without damage to the caulking?

I put this on my concrete drive and now for 2 years I have not had any problem. Great stuff

Sika Sikaflex Self Leveling Concrete Expansion Joint Sealant Gray 10

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Description

🔧 Seal smart, seal fast — concrete perfection made effortless!

RAPID CURE TIME - Tack-free in hours, fully cured in under a week to keep projects on schedule
PRECISION APPLICATION - Narrow tip design ensures clean, accurate sealing with minimal waste
WEATHERPROOF DURABILITY - Resists cracking, aging, and harsh weather for long-lasting protection
EFFORTLESS SELF LEVELING - No tooling needed—achieve a flawless finish every time
VERSATILE SURFACE COMPATIBILITY - Paintable, sandable, and perfect for driveways, garages, and sidewalks

Sikaflex Self-Leveling Sealant is a premium polyurethane concrete joint sealant designed for horizontal surfaces. It self-levels to create smooth, waterproof seals that cure quickly and resist weathering, making it ideal for driveways, garages, sidewalks, and industrial floors. Its narrow tip allows precise application, and once cured, it can be painted or sanded for a professional finish. Trusted by professionals, it offers durable, flexible protection that stands up to the elements.

Specifications

Asin	B000KKOO5M
Best Sellers Rank	#491 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #2 in Industrial Joint Sealants
Brand Name	SIKA
Color	Gray
Compatible Material	Concrete
Customer Reviews	4.4 4.4 out of 5 stars (5,832) 4.4 out of 5 stars
Global Trade Identification Number	00033886000437
Included Components	1
Item Dimensions	11.5 x 2 x 11.5 inches
Item Form	Liquid
Item Highlight	Sealants, Concrete Sealants, Self-Leveling Sealants, Polyurethane Sealants, Sika Sikaflex PRO Select Series 515304
Item Type Name	Self Lev Sealant
Item Weight	14.56 ounces
Manufacturer	SIKA CORPORATION
Material Type	Polyurethane
Model	91065
Number Of Items	1
Number Of Packs	1
Part Number	91065
Style Name	Compact
Supported Standards	Federal Specification TT-S-00230C, Type 1, Class A; ASTM C-920, Type S, Grade P, Class 25
Surface Recommendation	Concrete
Unit Count	1 Count
Upc	033886000437 033886093835
Warranty Description	SIKA warrants this product for one year from date of installation to be free from manufacturing defects and to meet the technical properties on the current Product Data Sheet if used as directed within the product’s shelf life. User determines suitability of product for intendedse and assumes all risks. User’s and/or buyer’s sole remedy shall be limited to the purchase price or replacement of this product exclusive of any labor costs. NO OTHER WARRANTIES EXPRESS OR IMPLIED SHALL APPLY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SIKA SHALL NOT BE LIABLE UNDER ANY LEGAL THEORY FOR SPECIAL OR CONSEQUENTIAL DAMAGES. SIKA SHALL NOT BE RESPONSIBLE FOR THE USE OF THIS PRODUCT IN A MANNER TO INFRINGE ON ANY PATENT OR ANY OTHER INTELLECTUAL PROPERTY RIGHTS HELD BY OTHERS.
Water Resistance Level	Waterproof

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