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How to fix flush ceiling lights of 1.5–5 kg to plasterboard

On plasterboard, fix flush ceiling lights of 1.5–5 kg with a metal cavity anchor whose maker publishes a ceiling (pull-out) rating, rated for at least 10 kg in a ceiling — twice the weight. A plasterboard screw on its own has no ceiling rating. 95 models state a weight in this range.

plasterboard · 1.5–5 kg · flush ceiling lights · change
  1. Find what is behind the ceiling
    This page is for plasterboard.
  2. Use the right fixing
    A metal cavity anchor whose maker publishes a ceiling (pull-out) rating.
  3. Rated for the weight
    Rated for at least 10 kg in a ceiling — twice the weight.

Lights for this

50 lights
The first 50 are shown, best fit first
More models

The numbers for this situation

  • Weight1.5–5 kg
  • Rated load to look for10 kgtwice the heaviest weight in this class, never under 5 kg
  • Needs a joist or nogginno
  • Models in this weight95
  • Price from£64

Worked out, not measured

Where these numbers come from

  • Weight as stated by the supplier; the fixing is rated for twice the heaviest weight in the class and never under 5 kg, the minimum the wiring regulations (BS 7671) ask of a light's fixing. Checked against 114 matching lights in our catalogue snapshot of 2026-09-27; 95 can be bought now. Same sums on every page, release families-2026-09-29.

All the numbers

Weight (kg)Rated load to look for (kg)Joist or noggin
1.5–510no

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