Customized façade design

Customized façade design

Next to popular designs for steel mullion and transom like solid T-shapes or rectangular hollow sections, OTTOSTUMM offers free forms as the ultimate step in customized steel façades.

If the project requires a one of a kind design then laser fused profiles are the answer. No other technology allows to unfold custom design on steel, corten steel or stainless steel curtain walls like laser fusion. Mullions of 15 m (49 ft) length and up to 500 mm (20”) depth determine the range where architects can unfold creativity. All profiles have sharp crisp corners, clean shadow lines and smooth almost invisible weld seams.

Depending on the size and design of the facade these extremely strong steel mullions are combined with our state of the art ADAPTA glass fixing components, for sightlines of 50 and 60 mm, which offer an exceptional acoustic and thermal insulation up to Uf ≥ 0.8 W/(m2K). The system covers horizontal, vertical and polygonal curtain walls and carries single glass panes up to 800kg.

These bespoke profiles are the right solution for curtain walls that capitalize on the high mechanical properties of steel, allowing for greater openings and high spans with slender structures.


Features of ADAPTA sections

  1. External add-on glazing system with sight lines of 50 and 60 mm
  2. Design cover caps available in aluminum, stainless steel AISI 316, corten steel and brass
  3. Transoms can accommodate very large glass units up to 800 kg
  4. Extremely slender steel mullions and transoms
  5. High flexibility on profile design
  6. Massive steel webs and flanges for high moment of inertia
  7. Profiles are available in mild steel, corten steel and stainless steel
  8. Custom lengths
  9. Sharp crisp corners and clean shadow lines
Examples of custom made steel mullions


ADAPTA 50 components


ADAPTA 60 components