Cavity fire stop.
Fire rated, polythene sleeved. rock mineral wool, friction fit cavity fire and acoustic stop.
240 minutes fire integrity rated (Cavity Trays Ltd claims product has been tested to BS 476-20 by Warrington Fire Research Centre)
Retained in position by compression (10 mm minimum)
For horizontal and vertical use in cavities up to 90 mm wide
Rock mineral wool, noncombustible classification (BS 476) within polythene
[Size, 1200 x 100 x 50 mm]
F30/18 Cavity closers
F30/180 Cavity closers
Cavi240 Type CFIS
Standard product features
Rock mineral wool, noncombustible classification (BS 476) within polythene.
Sampled insulation typical thermal conductivity (k) 0.033 W/m² °C. Sampled typical resistance 1.515 to 3.030 m² K/W.
1200 x 100 x 50 mm.