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Sika Caulk Once White 380ml
SKU:
CLKONCEWE4
Availability:
74
In Stock
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FREE DELIVERY
Free Next Working Day Delivery on orders over £50
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Achieve a flawless finish with Sika Caulk Once White 380ml – a premium-quality acrylic decorator’s caulk engineered to outperform standard fillers and sealants in both speed and durability.
Formulated using advanced polymer technology, this high-performance caulk delivers superior adhesion, low shrinkage and a smooth, crack-resistant finish, making it ideal for preparing surfaces before painting or decorating. Whether you’re a professional decorator or tackling a DIY project, Caulk Once ensures a clean, professional result every time.
Key Features & Benefits
- Fast Drying Formula – Ready to paint in as little as 1 hour, speeding up job completion
- Permanently Flexible – Accommodates movement without cracking over time
- Low Shrink Technology – Maintains a smooth, consistent finish after curing
- Excellent Adhesion – Bonds to plaster, wood, brick, concrete and more
- Easy to Apply & Tool – Smooth consistency for clean, professional results
- Overpaintable Finish – Compatible with most paints for seamless decoration
- Water Clean-Up – Simple and convenient application on-site
Typical Uses
Sika Caulk Once is designed for sealing and filling prior to decorating, including:
- Skirting boards, architraves and door frames
- Ceiling cornices and coving
- Window frames and internal joints
- Stair treads, risers and fixtures adjoining walls
- Filling cracks and damaged plaster
It’s widely used by decorators, builders and DIYers for fast, high-quality finishing work.
Suitable Materials
This versatile caulk adheres effectively to:
- Plaster & plasterboard
- Wood & MDF
- Brick & concrete
- Painted surfaces
- Most common building materials
Its advanced formulation ensures reliable bonding across both porous and semi-porous surfaces.
Why Choose Caulk Once?
Compared to standard decorators caulk, Sika Caulk Once offers:
- Faster project turnaround with 1-hour paintability
- Longer-lasting results thanks to flexibility and reduced shrinkage
- Smoother finish for professional-grade decoration
- Less rework – apply once and get it right
This is why it’s a trade-favourite for quick, clean decorating jobs where quality matters.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Specification
Additional details
Compliance achieved; ISO11600 F12.5P and EN15651
Application temperature
+4°C to +40°C
Brand
Sika
Colour
White
Curing rate
Full cure in 3-5 days
Density
1.6-1.7g/cm3
Size
380ml
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