Suitable for use internally across a range of services and substrates including:

• Flexible and rigid walls.
• Rigid floors.
• Multi-service penetrations.
• Blank openings.
• Head of walls.
• Astro batt.

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, UKCA marking and UL Listings. Astro Intu Mastic Fire Resistant has been tested and Certified as part the Astroflame Fire Stopping range.

*For specific details please refer to the test certification.

Features and benefits:

• CE & UKCA marked.
• ULEU accreditation.
• Fire resistance tested in flexible walls, rigid walls and floors.
• Tested in linear joints up to 50 mm wide.
• Tested in large service openings up to 490 x 150 mm.
• 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.
• Shelf life: 18 months.
• Tested in accordance with EN 1366-3:2009 - Fire Resistance - Penetration Seals.
• Tested in accordance with EN 1366-4:2009 - Fire Resistance - Linear Seals.
• Classified in accordance with EN 13501-2 - Fire Resistance.
• Tested in accordance with EN 10140-2: 2010 - Airborne Sound.
• Tested in accordance with EN 1026: 2000 - Air Permeability.
• Available in 310 ml cartridge or 600 ml foil.