Yes, you can paint a fire door in most cases, but only the door leaf and frame surfaces, and only if you keep paint off the parts that make it work: seals, hinges, closers, latches and the compliance label.
For strata managers, building managers and owners, repainting is routine maintenance. Done badly, it is also one of the easiest ways to leave a fire door non-compliant without anyone noticing until the next inspection.
A fire door is a tested assembly, not just a slab of timber or steel. The leaf, frame, seals, hardware and the gaps between them all work together to hold back fire and smoke. Paint sits on the surface, but if it ends up on a seal, in a gap or over the label, it can quietly undermine the door. If you need a refresher on how these doors are classified, read our guide to fire door ratings.
You can paint a fire door’s leaf face and visible frame with a standard paint suited to the substrate. Use a paint that suits the door material, whether that is timber, steel or a laminate-faced leaf, and check the manufacturer’s guidance first. Clean and lightly key the surface, and avoid heavy build-up that could stiffen the door or narrow its gaps.
Do not plane or sand a door down to fit after painting. Changing the leaf size alters the gaps and can void the rating. If a door sticks after painting, have it assessed rather than trimmed.
If you are going to paint a fire door yourself or brief a painter, work through these steps in order:
Most painting problems come from a painter who was never told the door was fire rated. Brief them before work starts and watch for these:
Once the paint is dry on a fire door you have just painted, confirm that the door closes fully on its own, the latch engages, the gaps look even, the seals are clean and the tag is readable. Fire doors are also checked as part of routine servicing, so keep your photos with your fire door compliance checklist records. If anything looks wrong, book a fire door inspection before the door is relied on, and see our page on AS 1851 compliance in NSW for ongoing servicing. For the wider rules on where fire doors are required, the Australian Building Codes Board publishes the National Construction Code.
If the door is damaged or the gaps are already marginal, painting will not fix it. Our guide to repairing or replacing fire doors explains the options. For short answers to common questions, see our FAQs.
No. Paint stops intumescent seals expanding and makes smoke seals less effective. Mask them or replace damaged ones.
No. The tag must stay legible for inspection. If it is already painted over, an inspector can advise on retagging.
Normal repainting of the surface should not, but painting seals, filling gaps or trimming the door can cause it to fail.
A painter briefed on the rules above, with the managing agent checking the result before the door goes back into service.
Want a post-paint check, or help before you paint a fire door? See our strata fire door compliance service or contact us.
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