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Glass bocks for part of a protected wall with 30mins protections

Guest Steve R

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Guest Steve R

Hi I have come across glass blocks as part of the wall in a protected staircase aprox 2m wide to ceiling height. There is no visible marking on the blocks for fire rating. The building is aprox 12 years old and should be built to building regs. 

Any advise please.



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Glass blocks do exist that would satisfy the fire performance requirements, but proving if existing ones are is quite difficult. In theory they should be, but even if the site has been signed off that doesn't actually mean they are, building control completion certificates have little relevance to workmanship & correct use of materials from a fire safety point of view.

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