October 2, 20187 yr comment_12711 Hi i have installed an fd30 door and routed a fire and smoke seal in but building regs have told me it should be a fd30s door surely what i have done is the same thing ? Report
October 2, 20187 yr comment_12713 The s suffix on FD30s simply means the door has a cold smoke seal (usually a rubber fin or brush) as well as an intumescent strip so in the broadest terms if you've used a combined seal as described it would be an FD30S Report
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