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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SIKAflex Self Leveling Sealant, Sandstone, Polyurethane with an Accelerated Curing Capacity for Sealing Horizontal Expansion Joints in Concrete, 29 fl. oz Cartridge

SIKAflex Self Leveling Sealant, Sandstone, Polyurethane with an Accelerated Curing Capacity for Sealing Horizontal Expansion Joints in Concrete, 29 fl. oz Cartridge

Product ID: 317376520

Details

Brand
SIKA
Item dimensions L x W x H
40.6 x 6.4 x
Item weight
2 Pounds
Material
Polyurethane
Style
Compact

🧱Superior adhesion on concrete

⏱️Accelerated curing in hours

🌧️Weather & aging resistant

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Description

🛠️ Seal smart, cure fast, and stay flawless—because your concrete deserves the best.

GAP BRIDGING POWER - Effortlessly seals expansion joints up to 1.5 inches wide—perfect for heavy-duty concrete surfaces.
FAST TRACK DURABILITY - Accelerated curing means your projects finish faster without compromising strength.
ALL WEATHER RESILIENCE - Engineered to withstand harsh weather and aging, keeping your surfaces pristine year-round.
SELF LEVELING PERFECTION - No tooling needed—just pour and watch it settle flawlessly.
UNIVERSAL PAINT COMPATIBILITY - Seamlessly paint over with water, oil, or rubber-based paints for a polished finish.

SIKAflex Self Leveling Sealant is a premium polyurethane formula designed for horizontal expansion joints in concrete. It self-levels without tooling, cures rapidly, adheres excellently to concrete, and resists weathering and aging. Compatible with multiple paint types and capable of bridging gaps up to 1.5 inches, it’s ideal for driveways, sidewalks, terraces, and industrial floors.

Specifications

ASIN	B000RUO5Y0
Best Sellers Rank	#26,504 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #78 in Silicone Sealers
Brand Name	SIKA
Color	Sandstone
Compatible Material	Concrete
Customer Reviews	4.4 4.4 out of 5 stars (5,377)
Global Trade Identification Number	00033886001014
Included Components	SIKA - 515302 - 29 OZ
Item Dimensions	40.6 x 6.4 x 40.6 centimeters
Item Form	Liquid
Item Type Name	Sikaflex Self Leveling Sealant, Sandstone, Polyurethane with an Accelerated Curing Capacity for Sealing Horizontal Expansion Joints in Concrete, 29 fl. oz Cartridge
Item Weight	2 Pounds
Manufacturer	Sika USA
Material Type	Polyurethane
Model	107748
Number of Items	1
Part Number	107748
Style Name	Compact
Surface Recommendation	Wall
UPC	033886093811 033886001014
Unit Count	29 Fluid Ounces
Water Resistance Level	Water Resistant

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Sold byAmazon PhilippinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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