I have to fit a fire door at the back of my garage that leads into the house, I guess I must also fit a fire door frame too, I was just going to make a door lining but presumably the regs inspector will want something a bit more sexy??
what is the difference between a fire door frame and a normal door frame?
- Thread starter DIYedboy
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Deleted member 174758
Normally a fire set comprises a rated fire door, fire-rated hinges (stainless steel, ball bearing mainly), a fire check frame or casing (with an intumescent or smoke/intumescent strip let in round 3 edges of the door) and a fire rated door closer (e.g. a Briton-type door closer or some types of Perko closer). The casing/lining must be fixed on packers with steel screws and the gaps between the wall and casing/liner must be sealed with either mineral wool or an intumescent AFFF) fire foam (generally pink). Current standards seem to be moving towards the exposed edges of this foam/mineral wool needing to be trimmed back flush and further sealed on all exposed edges with intumescent fire creme before the architraves are installed. The gap beneath the bottom of the door may not exceed 10mm and the gap all round on other edges should be around 3 to 4mm
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