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 flexibility and flair!

CUSTOMIZABLE FINISH - Compatible with water, oil, and rubber-based paints for seamless blending
ALL WEATHER DURABILITY - Weather-resistant formula stands strong through rain, sun, and freeze-thaw cycles
EFFORTLESS APPLICATION - Self-flattening paste ensures smooth, professional finishes every time
FLEXIBLE CRACK MOVEMENT - Elastic technology adapts to shifting cracks up to 1 inch wide
VERSATILE SURFACE SUPPORT - Perfect for concrete, cement slabs, patios, decks, and more

Sika 427706 Crack Flex Sealant is a premium, ready-to-use polyurethane paste designed for sealing horizontal cracks up to 1 inch wide. Its elastic formula moves with cracks, providing a durable, waterproof barrier ideal for concrete and cement surfaces. Easy to apply with a standard caulk gun and paintable with multiple paint types, it’s the go-to solution for professional-grade crack repair that lasts through all weather conditions.

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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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Material	Polyurethane
Brand	SIKA
Style	Crack Flex Sealant
Item dimensions L x W x H	29.2 x 5.1 x 29.2 Centimeters
Water Resistance Level	Waterproof
Item Form	Paste
UPC	033886093903 033886064514
Global Trade Identification Number	00033886064514
Number of Items	1
Colour	grey
Surface Recommendation	Door, Window
Manufacturer	Sika Corporation
Model number	427706
Specific Product Use	Amateur, Professional
Item Weight	437 g
Product Dimensions	29.21 x 5.08 x 29.21 cm; 436.9 g
Item model number	427706
Item Height	11.5 Inches
Item Width	2 Inches
Included Components	Sealant
Are batteries included?	No

Sika 427706 10.1 oz. Tube Crack Flex Sealant

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