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Electrician Talk Forum
Downlighting and regs
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<blockquote data-quote="binky" data-source="post: 453979" data-attributes="member: 490"><p>fire rated downlights tend to offer a degree of noise insulation as well. As Andy says, it's nothing to do with thermal damage, but the passage of fire past the downlighters to wooden floor above . They break the 'fire compartment' of the ceiling, assuming that is fire rated anyway. Basic plasterboard is still good for about 30 mins, but with holes in it, ie downlighters even this low standard can be compromised. </p><p></p><p>Personally, when customers want to supply parts, I find it best to avoid the job. </p></blockquote><p></p>
[QUOTE="binky, post: 453979, member: 490"] fire rated downlights tend to offer a degree of noise insulation as well. As Andy says, it's nothing to do with thermal damage, but the passage of fire past the downlighters to wooden floor above . They break the 'fire compartment' of the ceiling, assuming that is fire rated anyway. Basic plasterboard is still good for about 30 mins, but with holes in it, ie downlighters even this low standard can be compromised. Personally, when customers want to supply parts, I find it best to avoid the job. [/QUOTE]
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