Guest andy.massey@fortem.co.uk Posted June 6, 2022 Report Posted June 6, 2022 Hi Can you please assist What is classed as a small gap between door and frame to allow intumescent seal to work Quote
Neil ashdown Posted June 13, 2022 Report Posted June 13, 2022 The applicable Standard is BS 8214: 2016 which recommends a maximum of 4mm and minimum of 2mm. Quote
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