60/60/60 is a minute based fire rating.
it means the material adequacy under heat duress will last 60mins.
then the strutural integrity under heat duress will last 60 mins.
lastly the insulation from one structure to the next, under heat duress, will last 60 mins also.
60/60/60!
i imagine a 30/60/90 would be a multiple dwelling / flats style building?
it means the material adequacy under heat duress will last 60mins.
then the strutural integrity under heat duress will last 60 mins.
lastly the insulation from one structure to the next, under heat duress, will last 60 mins also.
60/60/60!
i imagine a 30/60/90 would be a multiple dwelling / flats style building?