Astro Intu Mastic 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 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 Fire Resistant has been tested and Certified as part the Astroflame Fire Stopping range. The Astro Intu Mastic 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

Product Overview

• CE Marked.
• ULEU Accreditation. (Click for link)
• Fire resistance tested in flexible walls, rigid walls and floors.
• Tested in Linear Joints up to 50mm wide.
• Tested in large service openings up to 490 x 150mm.
• Tested with Metallic Pipes, Cables, Cable Bunches, Cable Trays and Cable Ladders, please refer to the test certification.
• For use in low movement joints, remains flexible.
• Halogen free, resists fungi and vermin.
• Shelf Life 18 months.
• Tested in accordance with EN1366-3:2009 - Fire Resistance - Penetration Seals.
• Tested in accordance with EN1366-4:2009 - Fire Resistance - Linear Seals.
• Classified in accordance with EN13501-2 - Fire Resistance.
• Tested in accordance with EN10140-2:2010 - Airborne Sound.
• Tested in accordance with EN1026:2000 - Air Permeability.

Technical Data Sheet

Product Data Sheet

Safety Data Sheet