Hangar & warehouse

Start from 0.55 hexagons per m², then add 50% as soon as the height exceeds 3 m. For 200 m² under a 5 m ceiling, that's about 165 hexagons — height drives the count, not floor area alone.

Because light thins out with distance. At 5 m, a grid sized for 2.50 m leaves the floor feeling dim, even though the ceiling itself looks well lit.

Always onto the load-bearing structure, never into the sheet metal or a suspended panel. The fixings depend on the substrate: solid concrete, hollow concrete, metal decking and timber framing don't take the same anchors.

It's an option when the work zone is clearly defined: bringing the source 1.50 m closer makes a real difference to comfort at floor level. But always keep the clearance needed for vehicles and machinery to pass.

Check it before you buy. A large grid can draw more power than the existing lighting circuit supports. In commercial premises, work on the electrical panel is a job for an electrician.

Plan for it from the design stage. A simple yearly clean calls for a lift platform or scaffolding: better to plan accessible bays than to discover the problem after installation.

Yes. Premises open to the public must have independent emergency lighting that takes over in the event of a power cut: an LED grid never counts as such. The applicable regulations depend on the type of establishment — have them confirmed by a professional.

An uninsulated hangar sees big temperature swings and a lot of dust. Respect the stated mounting distances, and use a suitable ingress protection rating over wash areas or areas exposed to the weather.