S4A hook-on metal ceiling system

Metal ceiling with hook-mountable individual panels

The modern durlum metal ceiling system S4A is suitable for a host of indoor applications. S4A is a ceiling with an invisible substructure which is distinguished by flexible design options in terms of materials, surfaces and size. The rectangular metal panels can be hooked tension free into the system and are easy to demount without requiring tools.

  • S4A can be supplied with circumferential joints (upon request)
  • S4A can also be supplied sound-proof or sound-absorbing or printed with graphics
  • contributes directly to Green Building and LEED certification

Technical information


Length: ≤11‘ – 6“ [≤ 3500mm]
Width: ≤4‘ – 3“ [≤ 1300mm]
Recommended surface area: ≤ 32 ft² [≤ 3 m²]

Material and surface

Galvanized steel, aluminum and stainless steel. The galvanized steel and aluminum can be powder-coated in white matt (RAL 9016 matt DUROPLAN Type 1) or according to customer specifications. The coating thickness is approx. 60 µm. Other powder coatings are possible.

Aluminium: coil anodised or mirror polished
Stainless steel: brushed or mirror polished
The powder-coated blanks can also be printed with graphics and textures of your choice.

Acoustics and perforation

Standard perforation: RG-L15 [other perforations or non-perforated panels are possible]
As standard, sound absorption with black acoustic fleece [NRC = approx. 0.7]
For other available perforations please click here.


Powder-coated cut sections, also printable with motifs and textures.
For other available surfaces and printing motifs please click here.

Fire behaviour

In accordance with ASTM E84 Flame Spread Index for steel is 25 or less and Smoke Developed Index for steel is 50 or less.


S4A hook-on metal ceiling system


Rectangular metal panels are the most classic form of metal ceiling.Divided into room and vestibule systems, our rectangular metal panels satisfy a vast array of different requirements and are available in anything from simple clamping systems to highly complex systems.

Find the latest rectangular metal ceiling projects here >