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Fire rated emergency mini down lighter........
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<blockquote data-quote="FFM" data-source="post: 558942" data-attributes="member: 9642"><p>It's more about the spread of fire and smoke through the void spaces and not about wether a down lighter or fitting catches fire. Solid joists prevent the spread of fire and smoke for longer than web joists and can support a floor longer and thats the key from an install point. How fire and smoke will penetrate through different materials dictates what type, and rating, of fitting can be used. Each type of ceiling and joist will, and does, behave differently to another. Understanding this will affect selection of the components installed. An obvious analogy is Grenfell, which has changed how and what we install.</p><p></p><p>A 30 min rating for a down lighter in one ceiling does not mean that it is 30 min rated in all ceilings and so on.</p><p></p><p>Hence my ask....</p><p></p><p>I hope this makes sense.</p></blockquote><p></p>
[QUOTE="FFM, post: 558942, member: 9642"] It's more about the spread of fire and smoke through the void spaces and not about wether a down lighter or fitting catches fire. Solid joists prevent the spread of fire and smoke for longer than web joists and can support a floor longer and thats the key from an install point. How fire and smoke will penetrate through different materials dictates what type, and rating, of fitting can be used. Each type of ceiling and joist will, and does, behave differently to another. Understanding this will affect selection of the components installed. An obvious analogy is Grenfell, which has changed how and what we install. A 30 min rating for a down lighter in one ceiling does not mean that it is 30 min rated in all ceilings and so on. Hence my ask.... I hope this makes sense. [/QUOTE]
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Fire rated emergency mini down lighter........
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