FIRE RATED APPROVALS FIRE • Fully tested for 30, 60 and 90 minute fire ceilings. • Tested to BS476 - Part 20. Part 21 : load bearing timber floorings. Part 23 : 90 minute protection to load bearing steel beams (suspended ceilings). ACOUSTIC • Tested to BS EN ISO 140-3 : 1995 & BS EN ISO 140-6 : 1998 for airborne and impact sound insulation measurements in accordance with the acoustic performance required with downlighters installed in robust detail floors. MOISTURE • Fixed version fitted with special seals to inhibit the flow of air and moisture through the fitting as required by Part C of the building regulations.