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There is a moment in every interior project when the ceiling either disappears into the background or becomes part of the design. Linear Rib-E is made for the second kind.
Rib-E brings a fully rounded wooden profile to the Gustafs linear family. Where our existing ribs carry a sharp, angular character, Rib-E has a softer geometry and fluid lines that catch light differently, add tactile depth, and give a ceiling a sculptural presence without demanding attention.
The profile is available in two dimensions: 80×40 mm and 47×22 mm. Both share the same fibre-gypsum core as the rest of the Gustafs linear range, which means the rounded surface does not come at the cost of performance. Fire classification reaches B-s1,d0 and ASTM-A. Acoustic absorption reaches class A. Dimensional stability is guaranteed – no warping, no movement over time, regardless of the indoor climate.

Rib-E installs directly into the Capax Mix system, which means it can be combined with Feltfon products, other linear ribs, Blayde baffles, and F-Line integrated lighting within one shared ceiling grid. A ceiling could carry Rib-E alongside Feltfon DNA for contrast in form and material, or paired with Feltfon Rib to build a soft wave pattern across the plane. The rounded profile sits naturally next to angular elements – the difference in geometry is part of the design.
Spacing can be varied across four approved dimensions for each profile size, and coloured acoustic felt backings are available to add another layer of design expression within the gaps.
Rib-E is part of the newly launched Linear Mix system – a shared installation framework that lets architects combine different Gustafs ceiling products within one consistent grid.
Every Rib-E is surfaced with real wood veneer, available across the full Gustafs Nature and Gemini collections, or as a custom veneer. Paint and foil finishes are also available. For projects where fire performance is not the primary requirement, Rib-E can be produced with an MDF or solid wood core, allowing greater freedom in material choice.
The fibre-gypsum core contains 94% recycled material, production runs on 100% renewable energy, and the product carries EPD documentation and FSC® certification.

Available for download on the product page. EXPLORE RIB-E