August 19, 2025Aug 19 comment_52005 is there a tolerance in leaf thickness 44mm fd30 , + or - 1mm Report
August 26, 2025Aug 26 comment_52567 42mm minimum Check out Certifire certificates of approval for intumescent edge seals. Report
September 11, 2025Sep 11 comment_53371 so a fire door can be 42mm thick and be compliant - i thought they had to be 44 min ? thanks! Report
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