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Frequently asked question

How do you achieve a fire rating into a roof space or ceiling void (plenum)?

Usually this is referred to as a fire rated ceiling membrane (tested to BS 476: Part 22). For our range of plasterboard systems fixed to timber joist / bottom chord of trusses to meet 30 or 60 minute fire resistance please refer to WHITE BOOK Chapter 06 Section 06 Page 11 for more details.