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

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SIKA Sikaflex Self-Leveling Sealant, Gray Polyurethane, Fast Curing, for Concrete Expansion Joints, Waterproof, Paintable, Fills Cracks up to 1.5 in., 10.1 fl. oz Cartridge

Product ID: 2023067

Details

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

🎯Precision narrow tip application

💧100% waterproof & immersible

⏱️Fast curing in hours

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€ 29.90

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Description

🚀 Seal smart, seal fast — concrete protection that keeps you ahead of the curve!

PRECISION APPLICATION - Compact cartridge with a narrow tip ensures accurate, mess-free sealing every time.
WEATHERPROOF DURABILITY - Resists aging, moisture, and extreme weather for long-lasting concrete protection.
PAINTABLE CUSTOMIZABLE - Compatible with water, oil, or rubber-based paints for a seamless, professional look.
RAPID PROJECT TURNAROUND - Tack-free in hours and fully cured in under a week to keep your schedule on track.
SELF LEVELING PERFECTION - Effortlessly fills cracks up to 1.5 inches with a smooth, even finish—no tooling needed.

SIKA Sikaflex Self-Leveling Sealant is a premium gray polyurethane formula designed for concrete expansion joints. It cures quickly to a waterproof, elastic finish that withstands harsh weather and can be painted or sanded for a polished appearance. Ideal for driveways, garages, and industrial floors, it fills cracks up to 1.5 inches with precision and durability, making it the #1 choice for professional-grade concrete sealing.

Specifications

ASIN	B000KKOO5M
Best Sellers Rank	#544 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Industrial Joint Sealants
Brand Name	SIKA
Color	Gray
Compatible Material	Concrete
Customer Reviews	4.4 4.4 out of 5 stars (5,867)
Global Trade Identification Number	00033886000437
Included Components	1
Item Dimensions	11.5 x 2 x 11.5 inches
Item Form	Liquid
Item Type Name	Self Lev Sealant
Item Weight	14.56 ounces
Manufacturer	SIKA CORPORATION
Material Type	Polyurethane
Model	91065
Number of Items	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
UPC	033886000437 033886093835
Unit Count	1.0 Count
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.
Water Resistance Level	Waterproof

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