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Warm roof build up so no compromise on insulation - timber roof structure doesn’t typically need to be fire protected - steels holding up the house need fire protection (boxing in - or paint coating if you are doing the industrial exposed look) . Surface spread of flame may need consideration but there are clear coatings available. Acoustic separation - no issue for back extension / loft situations obvs or in private dwellings (pretty sure) - if it was separating floors for flats - yes.
With the current zeitgeist for exposed joists are there any issues with fire stopping, sound or insulation?
I get they add a feature but are they one of those things that look great on TMH/Deezen/Moodboard created by millennials wearing orange beanies indoors but the reality of living with them comes with compromises?