Designed specifically for use with Jolly Stone Glue or Filler, this hardener is easy to mix and use. Achieve the perfect bonding solution by simply adjusting the hardener ratio to suit your project’s needs. Whether you’re working on home decor, repairs, or creative art projects, this hardener will provide the toughness you require.

• Perfectly sized to complement 1-litre tins of Jolly Stone Glue.
• Easy mixing ratio of 1-3% hardener to Jolly Mastic by volume.
• Compatible with various materials including stone, and ceramics.
• Quick-drying formula saves time while providing a strong bond.