Specifically designed for sealing around service penetrations in walls and floors, a single Astroflame board (50 mm or 60 mm thick) can provide high levels of fire integrity and insulation.

Tested in block wall, concrete, masonry, plasterboard partition and concrete floors.

Provides up to four hours of fire resistance in accordance with BS 476: Part 20: 1987 and EN 1366-3 : 2009. Up to Rw 60 dB sound reduction, please refer to the Astroflame technical department.

Astroflame Boards consist of a stone fibre core coated on both sides with Astro Coat which transforms during a fire to prevent the passage of fire and smoke and the transfer of heat. Astro Batt cut edges or joints should be coated with Astro Coat or Astro Mastic.

*For specific details please refer to the test certification.

Please note specific fire, acoustic and EI ratings will vary depending on the thickness of batt used and the configuration, please contact manufacturer for confirmation.

Features and benefits:

Fire resistant board for sealing service penetrations in walls or floors.
CE and UKCA Marked and UL-EU Accreditation.
Fire resistant testing to EN 1366-3: 2009 and BS 476 Part 20: 1987.
Fire classification to EN 13501-2.
Air permeability testing to EN 1026.
Acoustic isolation testing to EN 10140.
Suitable for indoor use without additional environmental protection.

Astro Batt (UL)