Decorators Caulk 380ml – Paintable Acrylic Filler, White

The decorator's go-to for crisp, paintable joints. This acrylic caulk fills gaps around skirting, architrave, coving and window boards, then paints over for an invisible, professional finish.

Brand: Soudal

Key Benefits

• Paintable with most paints once cured
• Water-based acrylic, easy to apply
• Colourfast and waterproof after curing
• Smooth finish for internal joints up to 10 mm wide

Where to Use It

• Skirting boards, architrave and door frames
• Coving and ceiling joints
• Internal window boards and sills
• Cracks and gaps in plaster and plasterboard before painting

Technical Specification

Specifications from the Soudal technical data sheet. Typical values – curing and skinning times vary with temperature, humidity and substrate.

Frequently Asked Questions

How soon can I paint it?

Paint once the caulk has cured. Because paints vary so much, test a small area first.

Can I use it outside?

It is designed for internal joints. For exterior work use a silicone or hybrid sealant.

What size gap will it fill?

Joints up to about 10 mm wide and 5 mm deep.

Is it suitable for moving joints?

Only low-movement joints – it handles up to ±7% movement.

Complete the job: Decorators Caulk & Fillers · Caulking Gun · Professional Caulking Gun