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SIKA Sikaflex Crack Flex Sealant, Gray, High-Performance Textured Polyurethane, Self-Leveling, Waterproof Sealant for Horizontal Cracks Up to 1 in
85% of respondents would recommend this to a friend
NAD 361
Price Details
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Sikaflex Crack Flex Sealant provides long term durability and flexibility for permanently sealing horizontal cracks.
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What Stands Out
Product Details
- TIGHT, WATERPROOF SEALS — Sika self-leveling sealant provides an ideal solution for cracks found in concrete pavement, driveways, walkways, terraces, decks, and other horizontal surfaces
- ELASTICITY RESISTS CRACKING AND TEARING — Sika pro sealant incorporates a high elasticity that allows for movement between bonded surfaces. This helps prevent damage to the caulk for a better seal
- TEXTURED TO BLEND — Colored gray to blend with sidewalks and driveways, this caulk features a special texturing to better match the look and feel of everyday concrete, cement, and similar surfaces
- LONG-LASTING PROTECTION — Once cured, the seal is waterproof and water immersible, so rainwater and garden runoff won't hurt it. And, it's formulated to resist weathering and aging too
- LONG-LASTING PROTECTION — Once cured, the seal is waterproof and water immersible, so rainwater and garden runoff won't hurt it. And, it's formulated to resist weathering and aging too
| Brand Name | SIKA |
| UPC | 033886093903 033886064514 |
| Unit Count | 1.0 Count |
| Global Trade Identification Number | 00033886064514 |
| Number of Items | 1 |
| Part Number | 427706 |
| Model | 427706 |
| Item Type Name | Sealant |
| Manufacturer | SIKA CORPORATION |
| Included Components | Sealant |
| Water Resistance Level | Waterproof |
| Item Form | Liquid |
| Compatible Material | Metal |
| Item Weight | 10.08 ounces (285.77 grams) |
| Item Dimensions | 11.5 x 2 x 11.5 inches (29.2 x 5.1 x 29.2 cm) |
| Style Name | Crack Flex Sealant |
| Color | Gray |
| Surface Recommendation | Concrete |
| Material Type | Polyurethane |
| Material | Polyurethane |
| Brand | SIKA |
| Style | Crack Flex Sealant |
| Item dimensions L x W x H | 11.5 x 2 x 11.5 inches (29.2 x 5.1 x 29.2 cm) |
| Package Weight | 1.16 Pound |
Who Should Buy?
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DIY Homeowners
Ideal for homeowners seeking to repair horizontal cracks in driveways, patios, or other flat surfaces around the home.
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Contractors
Valuable for contractors in need of a high-performance sealant for large scale sealing projects involving concrete surfaces.
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Outdoor Enthusiasts
Perfect for those maintaining outdoor spaces who require reliable protection against water infiltration in horizontal cracks.
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Vertical Applications
Not suitable for vertical cracks, as it is designed specifically for horizontal applications and self-leveling use.
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Cold Weather
May not perform effectively in extreme cold, as curing and adhesion can be compromised in low temperatures.
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Non-Concrete Surfaces
Not recommended for sealing surfaces other than concrete, like wood or metal, as adhesion may be insufficient.
Product Description
Customer Questions & Answers
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Question:
What surfaces can SIKA Sikaflex Crack Flex Sealant be applied to?
Answer: SIKA Sikaflex Crack Flex Sealant is compatible with various surfaces, including concrete, masonry, wood, and metal. Its textured polyurethane composition allows it to adhere excellently to these materials, ensuring a durable seal. Whether you're filling cracks in patios, driveways, or foundations, this sealant provides a strong bond, preventing water infiltration and reducing the risk of further damage. It's perfect for use on horizontal cracks up to 1 inch, offering versatility for different repair scenarios. -
Question:
How is SIKA Sikaflex Crack Flex Sealant applied?
Answer: Applying SIKA Sikaflex Crack Flex Sealant involves cleaning the surface to remove any debris or loose materials, then using a caulking gun for application. After shaking the container, you fill the crack, ensuring the sealant spreads uniformly. The self-leveling nature of this sealant allows it to cure smoothly, creating a flat surface. This method not only makes for a neat finish but also optimally seals the cracks against moisture. Ideal applications include repairing driveways, walkways, and other horizontal surfaces. -
Question:
How long does SIKA Sikaflex Crack Flex Sealant take to cure?
Answer: The curing time for SIKA Sikaflex Crack Flex Sealant varies based on factors like humidity and temperature; typically, it becomes tack-free within a few hours. Full curing may take several days. For best results, it's recommended to allow the sealant to cure undisturbed for at least 24 hours before exposing it to moisture or heavy traffic. This helps ensure an optimal bond and effective sealing against potential leaks in various applications, from repair projects in basements to outdoor surfaces. -
Question:
Can SIKA Sikaflex Crack Flex Sealant be painted over?
Answer: Yes, SIKA Sikaflex Crack Flex Sealant can be painted over once fully cured. It accepts water-based paints and some oil-based finishes, allowing you to match the sealant to surrounding surfaces. To ensure proper adhesion, it's advisable to test a small area first. This feature is particularly beneficial for homeowners looking to maintain aesthetic consistency after making repairs, as it enables the sealed area to blend seamlessly with existing environments in both indoor and outdoor settings. -
Question:
Is SIKA Sikaflex Crack Flex Sealant waterproof?
Answer: Absolutely. SIKA Sikaflex Crack Flex Sealant is designed to be waterproof, making it ideal for filling cracks that are prone to moisture infiltration. The polyurethane formulation creates a flexible, water-tight seal that protects against deterioration, ensuring longevity in various weather conditions. This feature is especially useful for horizontal applications like patios or driveways, where standing water can lead to more severe damage over time. It's an essential choice for those looking to fortify their surfaces against water-related issues. -
Question:
What color options are available for SIKA Sikaflex Crack Flex Sealant?
Answer: SIKA Sikaflex Crack Flex Sealant is primarily available in gray, which blends well with most concrete surfaces. While this color is common, it offers a neutral appearance that complements different environments. The textured finish also adds to its appeal, enhancing the overall look of repair projects. This gray tone not only ensures a subtle finish but also provides a long-lasting, uniform seal, making it suitable for various applications in both residential and commercial settings. -
Question:
What distinguishes SIKA Sikaflex Crack Flex Sealant from other sealants?
Answer: SIKA Sikaflex Crack Flex Sealant stands out due to its high-performance textured polyurethane formulation, which allows for self-leveling and superior flexibility. Unlike standard sealants, it effectively withstands temperature fluctuations and movement in surfaces without cracking. This makes it particularly effective for horizontal surfaces, where expansion and contraction of materials can be a concern. Users often find it invaluable for repairs in practical scenarios—like fixing cracks in driveways or concrete patios without compromising on visual appearance or durability. -
Question:
Is SIKA Sikaflex Crack Flex Sealant environmentally friendly?
Answer: While SIKA Sikaflex Crack Flex Sealant is not labeled as environmentally friendly, it is designed with safety in mind, featuring low VOC content. This means that it emits fewer volatile organic compounds during application and curing, posing a reduced risk to indoor air quality. It's essential for users concerned about sustainability to apply sealants in well-ventilated areas. Using this sealant can also contribute to longevity in surfaces, reducing waste over time by minimizing the need for frequent repairs. -
Question:
How do I store SIKA Sikaflex Crack Flex Sealant?
Answer: To ensure the longevity of SIKA Sikaflex Crack Flex Sealant, it should be stored in a cool, dry place, away from direct sunlight. The cap must be tightly sealed to prevent the product from hardening in the container. Proper storage can extend the shelf life, allowing you to utilize it for future projects when necessary. This is particularly beneficial for home improvement enthusiasts and professionals who may need high-quality sealants for subsequent repairs on various surfaces. -
Question:
Where can I buy SIKA Sikaflex Crack Flex Sealant?
Answer: You can buy SIKA Sikaflex Crack Flex Sealant from Ubuy in Namibia. Ubuy offers a convenient online shopping experience where you can find a variety of high-performance sealants, including this one. Shopping on Ubuy allows you to access detailed product descriptions, ensuring you get the right product for your repair needs, along with customer reviews that can provide additional insights into its performance.
SIKA Polyurethane Adhesives Editorial Review
Sikaflex Crack Flex Sealant is a versatile product that effectively seals cracks to prevent further damage. The sealant is easy to apply and self-levels, making the job hassle-free. It is recommended to wait 3 to 5 days for the sealant to fully cure before sanding or allowing vehicular traffic. Users should be cautious when using the product on vertical surfaces as it is self-leveling and may not stay in place on sloped areas. It is also advisable to use backer rod for larger gaps for optimal results. Overall, Sikaflex Crack Flex Sealant is a reliable solution for repairing cracks and preventing them from expanding.
Customer Reviews & Ratings
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5 Star
75%
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4 Star
15%
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3 Star
7%
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2 Star
2%
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1 Star
1%
Review this product
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Pros
- Easy to apply
- Self-leveling
- Effective in sealing cracks and preventing further damage
- Durable and withstands elements like rain
- Goes further than anticipated
Cons
- Not suitable for vertical applications
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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NAD 361
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Features & Benefits
- Single component, textured, self-leveling polyurethane sealant.
- Perfect for sealing horizontal cracks up to 1 inch wide.
- Elastic technology keeps the sealant flexible to move with cracks.
- Waterproof and blends seamlessly with concrete surfaces.
- Durable, resists aging and weathering over time.
- Ready-to-use with standard caulk gun and can be painted.






















