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SEFAR® Architecture LightFrame Illuminates Switzerland Art Museum

Modular Fabric Ceiling System Provides Diffused Light Source for Art House Uri

Publish Date: Tuesday, August 14, 2012

DEPEW, NY…Visitors to the Art House Uri in Altdorf, Switzerland now have the opportunity to experience the latest in lighting and textile design as they view the works of local artist Heinrich Danioth displayed under a SEFAR® Architecture LightFrame modular illuminated fabric ceiling system.

As part of an expansion project, Art House Uri added a hall-shaped extension to the existing museum building to create a permanent home for the works of Danioth. With a diverse collection of contemporary art and exhibitions, the museum wanted to turn its display rooms into a place where visitors can meet and interact.

To create a welcoming environment and present the artwork in the best diffused light possible, the project architect, Ch. Keller Design AG, took inspiration from illumination by skylight. This method of museum illumination can be traced back to the 19th century and the Sir John Sloan Museum in London. The museum used both natural and artificial light sources in conjunction with three large, illuminated ceiling modules featuring SEFAR Architecture’s LightFrame system. Each custom LightFrame module measures 9.4 by 7.9 feet. Fluorescent lighting is positioned in the skylights above the LightFrame system as a supplement to the natural daylight.

SEFAR Architecture LightFrame is the only fabric ceiling system available that can provide both significant light diffusion and acoustic improvements. It features dual wrinkle-free, high light-diffusing architectural fabrics biaxially stretched over a razor thin, modular frame system. LightFrame’s unique secondary membrane allows it to diffuse light while improving acoustics. The dual membrane system prevents the penetration of debris and bugs that hinder the visual impact of other translucent ceiling products.

“Sefar’s LightFrame product is ideal for Art House Uri and other museum applications because it provides excellent lighting conditions for viewing art in the space while improving the room’s acoustics,” explains Peter Katcha, Director, North American Sales for SEFAR Architecture. “The LightFrame ceiling does not detract from the art. It also can be quickly and easily maintained by the building staff without special training, significantly reducing facility downtime.

The individual LightFrame modules are stretched with two layers of SEFAR Architecture’s IA-80-CL PVDF interior acoustic fabric on the visible side that allows 80 percent light transmission. The dual skin system is airtight and eliminates penetration of dust and insects on the fabric membrane, which can inhibit the transference of light over time.

The innovative illuminated fabric ceiling system also provides high levels of diffused and uniform light transmission, improved acoustics and long-lasting resistance to UV light. The low-maintenance material resists moisture and dirt, meets all fire code requirements, and is free of VOCs. In the event of a fire, LightFrame produces very little smoke and instead of dripping, it dissipates.

The Art House Uri project was completed in June 2009. Members of the project team included Ch. Keller Design AG, St. Gallen, Switzerland and installer Krapf AG, Engelburg, Switzerland.

To learn more about SEFAR LightFrame, visit

About SEFAR Architecture: SEFAR Architecture is a leading manufacturer of monofilament precision and ePTFE yarn fabrics and fabric systems for interior and exterior architectural applications. With comprehensive knowledge in textile architecture, Sefar has cooperated with experienced lighting technicians and polymer experts to develop a new generation of fabrics for the architectural and design community. For more information on SEFAR Architecture’s products and services, call Peter Katcha at 727-388-4919 or visit