Astro Intu Mastic - Trowel Grade is a water based acrylic sealant used to reinstate the fire resistance of wall and floor constructions in linear joints and where apertures are penetrated by multiple services. Astro Intu Mastic - Trowel Grade Fire Resistant Sealant has been developed utilising specialist polymer technologies allowing it to be tested and Certified to internationally recognised standards, including CE marking and UL Listings. Astro Intu Mastic - Trowel Grade Fire Resistant has been tested and Certified as part the Astroflame Fire Stopping range. The Astro Intu Mastic - Trowel Grade system can be installed across a variety services and substrates including,

• Flexible and Rigid Walls
• Rigid Floors
• Multi-Service penetrations
• Blank Openings
• Head of Walls
• Astro Batt

*For specific details please refer to the test certification.

For data sheets, test reports and more information please copy and paste this link into your browser: https://www.astroflame.com/intumescent_trowel_grade_sealant.html