Everbuild Caulk Mastic Once (380ml, White) is a premium one-coat decorative caulk formulated to fill and seal internal gaps and joints in a single application. The larger 380ml cartridge is ideal for high-volume decorating work, reducing the number of cartridge changes on busy sites and making it a practical choice for professional decorators and contractors.

Flexible, paintable, and water-based, it is ideal for use around skirting boards, architraves, coving, and window frames. Accepts emulsion and gloss paints once cured, and cleans up easily with water before curing.

• Size: 380ml cartridge
• Colour: White
• Type: One-coat decorative caulk mastic
• Suitable for: Skirting boards, architraves, coving, window frames, internal joints
• Application: Standard cartridge gun
• Use: Interior gap filling and sealing prior to decoration
• Properties: One-coat fill, paintable, flexible, water-based, low odour

Also available in 295ml. Browse the full Sika Everbuild range.