AIM Horizontal Closers provide a fire resistance performance of 2 hours’ insulation and integrity in terms of BS 476 Part 20. The mineral wool is non-combustible in accordance with BS 476 part 4 (1970). The DPC conforms to BS 6515 (1984). The Closer conforms with the 1994 Building Regulations and the National House Building Council Requirements.
The AIM Horizontal Closer will also provide at least 2 hours’ resistance to the spread of fire past the separating floor, when installed immediately above a row of metal wall ties or when installed with fixing clips.