Door linings
- Thread starter ey143
- Start date
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One that suits the opening! fire rated ones either have deep rebates or intumescent strips or both and minimum 30 mm (finished size, excluding stops). Non fire rated anything goes if it works but the thicker the better as easier to install and secure straight and plumb. Thin ones need more care.
That NFR would be OK - That 32mm for FR needs a full specification for consideration
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Details of the frame and door and what the construction is to achieve the desired rating.
See https://www.luton.gov.uk/Housing/Lists/LutonDocuments/PDF/Guidance on fire doors.pdf as an example of how the specification has different ways of being met.
See https://www.luton.gov.uk/Housing/Lists/LutonDocuments/PDF/Guidance on fire doors.pdf as an example of how the specification has different ways of being met.
What he means where is the door going, something like a garage to house fire door may be 30 minutes an internal door on a 3 storey house may be 20 minutes and in commercial situations it could be 1 hour or more.
In a house 30 minutes pretty much will catch all!
In a house 30 minutes pretty much will catch all!
I just ask for "linings to suit" but I checked and they are 32mm to suit the FD30 doors, with the groove for furry intumescent. I like the furry one because it blocks noise and draughts, even when your house isn't on fire.
Any chance you could attach a few pictures of some of your different doors with the strips? How easy is it is to remove (do they come loose) and furthermore do you have to replace them every certain number of years?
https://www.ironmongerydirect.co.uk...4x2100mm-with-brush-pile-white-pack-10-187552
the white part glues into the groove in the door lining (it is available in various widths) and is intumescent strip that swells up when heated. the black "brush" is soft fibres like fur which is moulded or bonded into the strip. The door brushes past them as it closes, and they press lightly against it when shut. As well as draughts, they prevent "cold smoke" e.g. from plastic or electric fires, easily passing the door. You need to seal the door lining into the wall as well, red "fire" expanding foam can be used, or I believe there are intumescent mastics.
I'm told the fibres wear away over time, but I have not noticed it in a domestic house. I suppose you could prise or scrape them out and stick in new ones. The strip is adhesive-bacled.
the white part glues into the groove in the door lining (it is available in various widths) and is intumescent strip that swells up when heated. the black "brush" is soft fibres like fur which is moulded or bonded into the strip. The door brushes past them as it closes, and they press lightly against it when shut. As well as draughts, they prevent "cold smoke" e.g. from plastic or electric fires, easily passing the door. You need to seal the door lining into the wall as well, red "fire" expanding foam can be used, or I believe there are intumescent mastics.
I'm told the fibres wear away over time, but I have not noticed it in a domestic house. I suppose you could prise or scrape them out and stick in new ones. The strip is adhesive-bacled.
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