Product description
Achieve a smooth, professional finish every time with Sika Caulk Once White 295ml – a premium-quality acrylic decorator’s caulk designed to outperform standard fillers in both speed and durability.
Formulated with advanced polymer technology, this high-performance caulk delivers excellent adhesion, low shrinkage and a permanently flexible finish, making it ideal for sealing cracks, joints and gaps before decorating. Its fast-drying formula allows you to paint over in just 1 hour, helping you complete jobs quicker without compromising on quality.
Key Features & Benefits
- Ready to Paint in 1 Hour – Speeds up decorating projects and reduces downtime
- Permanently Flexible – Prevents cracking as surfaces move over time
- Low Shrink Formula – Maintains a smooth, consistent finish
- Excellent Adhesion – Bonds to plaster, wood, brick and concrete
- Smooth, Easy Application – Designed for clean tooling and professional results
- Overpaintable with Most Paints – Compatible with water- and solvent-based paints
- Water Clean-Up – Quick and easy to clean after application
- Interior & Exterior Use – Suitable for a wide range of applications
Typical Uses
Sika Caulk Once is ideal 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 and risers
- 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 high-performance formulation ensures strong adhesion across porous and semi-porous substrates.
Why Choose Caulk Once?
Compared to standard decorators caulk, Sika Caulk Once offers:
- Faster job completion with 1-hour paintability
- Long-lasting flexibility that won’t crack or fail
- Professional-grade finish with minimal shrinkage
- Less rework – apply once and get it right
This makes it a go-to choice for professionals who need speed, reliability and a flawless finish.