After application, is this sandable? Also, if yes, is there an ideal period of “curing” before sanding?

Yes, you can sand once fully cured. It is recommended to wait 3 to 5 days prior to sanding. Thank you for choosing Sika!

How long does it take to dry a one inch gas about one inch deep 10 '" long?

Two hours to dry. Twelve to twenty four hours to cure.

Should I apply this before or after applying a (water based siloxane) concrete sealer?

Apply after the concrete sealer.

How soon after application can it be driven on?

Hi Kelly. We recommend waiting 3 to 5 days for the sealant to fully cure before opening to vehicular traffic. Thank you for choosing Sika!

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🛡️ Seal the deal with lasting strength and flawless finish!

FLEXIBLE RESILIENT - Designed to move with your surfaces, preventing cracks from tearing or reopening.
SELF LEVELING TEXTURE - No extra tools needed—sealant smooths itself for a seamless, professional finish.
EFFORTLESS APPLICATION - Compact cartridge fits standard caulking guns for quick, mess-free use.
MADE IN THE USA QUALITY - Trusted American manufacturing guarantees reliability and performance you can count on.
ULTIMATE WATERPROOF SHIELD - Premium polyurethane formula ensures durable, water-tight sealing on all concrete surfaces.

Sikaflex Crack Flex Sealant is a premium one-component polyurethane sealant designed for durable, waterproof protection of concrete cracks and gaps. Its self-leveling, flexible formula ensures easy application and long-lasting resilience, making it ideal for driveways, walkways, balconies, and stairs. Made in the USA, this 10.1-oz cartridge fits standard caulking guns for professional results without extra tools.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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Brand	SIKA
Model Number	427706
Product Dimensions	29.21 x 5.08 x 29.21 cm; 436.9 g
Color	gray
Name List for Name Plates	Crack Flex Sealant
Material	Polyurethane
Included Components	Sealant
Are Batteries Included	No
Item Weight	437 g

Crack Flex Sealant, 10.1-Oz. -515306

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