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