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🛠️ Seal smart, last long — the pro’s choice for flawless concrete joints!
SIKA Sikaflex 1C SL is a 29 fl oz self-leveling polyurethane sealant designed for durable, waterproof repair of concrete expansion joints. Its flexible, weather-resistant formula ensures long-lasting adhesion and crack prevention, while the limestone color blends seamlessly with light concrete surfaces. Ideal for driveways, sidewalks, and industrial use, it offers easy application with a standard caulking gun and can be painted or sanded for a perfect finish.
| Asin | B00MC2WXV8 |
| Best Sellers Rank | #39,063 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #19 in Polyurethane Adhesives #79 in Urethane Adhesives |
| Brand Name | SIKA |
| Color | Limestone |
| Compatible Material | Concrete |
| Customer Reviews | 4.5 4.5 out of 5 stars (53) 4.5 out of 5 stars |
| Global Trade Identification Number | 00033886003742 |
| Included Components | 29 fl oz cartridge |
| Item Dimensions | 16 x 2.5 x 2.5 inches |
| Item Form | Liquid |
| Item Highlight | Polyurethane formula, Waterproof and durable repair, For driveways, sidewalks, concrete floors and industrial applications |
| Item Weight | 11.2 ounces |
| Manufacturer | SIKA |
| Material Type | Polyurethane |
| Model | 90942 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Part Number | 90942 |
| Style Name | Compact |
| Surface Recommendation | Tile |
| Unit Count | 1 Count |
| Upc | 033886003742 |
| Water Resistance Level | Waterproof |
User
Easy to use.
Self leveling and easy to apply. Will need to use backer rod if cracks are deeper than 1/2”
User
Recommend Sika brand and this product
Best self leveling caulking available, in my opinion. Works as its intended. I also used gray color on my sidewalks. Would definitely recommend this Brand and product.
User
29 oz Sikaflex.
The packaging was done with good environmental considerations. Thank you.However the tips need to be blunted - they almost poked through the side of the box.I expect the product to be fine - I just got it.
User
Great product. Dumb packing by shipper.
This Is a great product sold by someone devoid of a notion of how to pack same.I started using this product 5 years ago after reading test report done on salty highways by Michigan department of Transportation.This product will take salt spray, will expand to fill cracks, and will take heavy wear. However, in this particular transaction, Cartridge a did not fit into Standard Postal box so shipper bent nozzes to make them fit-- resulting in leakage of product and accelerated aging. Diagonal packing into same box would have worked fine. Applied product to finish job before heavy rains--good bonding, but messy.
User
fast delivery
must have been old stock. product was watery first part of tube
User
Works great
Great stuff for expansion joints that are missing the wood that has rotted out. Used this product to reseal them. Product is easy to apply as it level’s itself. Would recommend this to anybody who wants to DIY.
User
Sikaflex 29 Oz. Limestone Self Leveling Polyurethane Sealant 1CSL Works
Great product, suggest that you keep an empty cardboard box to place the loaded caulking gun Into as you move from one application to another.Make sure you use newspaper and tape along each side of the strip you are repairing. This keeps the caulk off of the driveway, etc
User
Garbage tubes
Tube exploded as soon as I started using it good product but made poorly
Trustpilot
2 months ago
1 month ago