The Sienna room was designed based on the needs of our customers to hold relaxed and less formal meetings; meanwhile it generates much more pleasant, dynamic and ordered spaces.

Sienna is made of lightweight lines that highlight a very clean style in its shapes.


  • Handles the lounge room concept.
  • It is configurable thanks to the independence of its elements. 
  • Adaptable to any type of space at any time.
  • Single, two- and three-seat arm chair with or without center arms, single and two- seat backless sofas, single sofa with normal and  L-shaped backrest 
  • A wide variety of combined finishes on the different surfaces of this line makes materials such as textiles, metal, melamines, laminates or glass to blend harmoniously to develop each project.
  • Highly resistant tables on glass, melamine, laminates with current trend designs in both flat and woody textured colors. 
  • Metal structure with coatings that are highly resistant to impact, artificial light, moisture, detergents and household solvents. Available in chrome.  
  • Textile finishes in a variety of colors and textures. Our fabrics do not propagate fire and are resistant to abrasion, tearing, flammability and chemical substances.
  • They are antibacterial, anti-allergic, and easy to clean; do not shrink, maintain its elasticity and color fastness to light and rubbing. 
  • 100% natural leather. Available in: Damascus, Crepe, Leatherette, Escorial and cloth.

Furniture designed and manufactured under international quality standards.

  • ANSI (American National Standards Institute).
  • BIFMA (Business and Institutional Furniture Manufacturer Association).
  • ANSI/BIFMA X5.5-2014 y X5.3-2007.
  • AS/NZS ISO9001:2008 Certification.

ATU is a company that is always innovating and improving its production, which is why the materials, the origin of its raw materials and technical specifications may change without prior notice.


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