Mandatory sign - blue circle
Fire door signs
These printable fire door signs tell people to keep a door shut, keep it locked, keep it clear or not to wedge it open. Choose the symbol version, or a text-only version if you want to save ink. The "keep locked" sign is only for fire doors that are not escape routes, such as riser cupboards; never use it on a door people may need to use to get out. A sign only labels a door: it does not make a door fire resistant. If you are unsure whether a door is a proper fire door, ask a competent person. Print at A4 for most doors and laminate for wear.
Fire door - keep shut sign
Sign text: "Fire door / Keep shut". PDF, 16 KB. A5, A4 or A3, portrait or landscape.
Buy a durable version
Rigid plastic, aluminium or self-adhesive fire door signs, ready to put up. The pictures are our own free designs, not the Amazon products.

fire door keep shut sign self adhesive
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fire door keep locked sign
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fire door sign rigid plastic
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Choose your wording
6 versions. Each one downloads as a PDF in A5, A4 or A3, portrait or landscape.
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Fire door - keep locked
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Fire door - keep clear
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Do not wedge fire door open
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Fire door keep shut - text only (red)
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Fire door keep shut - text only (black and white)
Download all 6 signs
Every wording, size and orientation in one ZIP file, 533 KB.
Print tips
- Print at "actual size" or 100%, not "fit to page", so the margins stay even.
- Use thicker paper or card (160gsm or more) if the sign will be handled.
- For outdoor or long-term use, laminate it or buy a rigid version.
Where to use it
- Corridor and stairwell doors that must stay shut.
- Riser cupboards, plant rooms and store rooms that are locked when not in use (fire doors that are not escape routes)
- Doors that people prop open with wedges or fire extinguishers.
- Doors with stock or furniture stacked against them.
- Care homes, schools, shops and offices where several doors need the same sign.
Questions
What does a fire door sign mean?
It tells people how to treat the door: keep it shut, keep it locked (only for fire doors that are not escape routes, such as riser cupboards), or keep the area around it clear.
Does a sign make a door a fire door?
No. A sign identifies the door's rule; whether the door resists fire depends on the door set and its fittings.
Why is it blue and not green?
Blue means an instruction people must follow. Green is used for exits and first aid, which is why fire exit signs are on their own page.
Can I wedge a fire door open?
Not with a wedge. Ask your fire safety lead about approved hold-open devices that release when the alarm sounds.
Related signs
Mandatory class. A blue disc with a white symbol means you must do this. All door signs
Fire Exit Signs
Fire Safety Signs
Fire Escape Signs
Door Signs
Fire Action Signs