Batwing ® - acoustic door seal & smoke seal
Primarily designed for upgrading existing fire resistant doors to provide additional protection against smoke up to 200˚C. Can be fitted with minimal disruption to the door assembly. The Batwing® seal is also a highly effective acoustic seal when tested in accordance with BS EN ISO 10140-2: 2010.
- Acoustically tested in accordance with BS EN ISO 10140-1: 2010 +A1: 2012 and proven to meet the requirements of Approved Document E. Will achieve a rating of 31dB Rw when tested on a typical FD30 door assembly, in conjunction with a LAS8001 si threshold seal - no additional perimeter seal required. - Effective smoke seal up to 200°C. - Symmetrical design ensures fins are always in contact with two surfaces of the door leaf, creating an air chamber to provide excellent acoustic properties. - Flexible elastomeric fin material springs back to original shape to provide ongoing performance and durability in service. - Available in a variety of colours to blend with door designs.