Gran RU acoustic art collection by Wilhelmiina Kosonen | Gran RU Pori- contemporary acoustic wall panel collage
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Gran RU Pori- contemporary acoustic wall panel collage


Gran RU Pori is an impressive, new kind of acoustic wall panel collage inspired by the Finnish tufted rug tradition. In the Pori collage, the visual world of Finnish and Scandinavian traditional handicraft, sustainable materials and innovative processing methods are combined. Gran RU Pori creates a strong visual impact wherever it is placed.

The Pori collage consists of six panels, measuring up to a total of 2430 x 1760 x 40 mm (HxWxD). 

The graphic 3D pattern consists of hundreds of x’s, which are carefully either impressed or raised from the surface of the panel.

Tailored design and custom sizes are available on request.

The Gran RU Collection is designed by Wilhelmiina Kosonen.


The Gran RU Collection is available in four standard colors: sheep white, black, gold and blue. Custom colors available on request.


SIZE The GranRU Pori collage consists of six panels
H: 1740 mm
W: 2340 mm
D: 40 mm
Weight: 18 kg

Custom sizes and partial panel collages available on request


The acoustic material of the panels is surface peat moss, a 100% ecological Finnish patented innovation that is acoustically ultra effective (absorption Class A). The material has pleasant, organic and unique visual texture. There is literally a piece of Finnish nature in each panel.


For each panel there is a mounting strip fastened to the wall with two screws. The mounting system maximizes the acoustic effect by creating a 25 mm air gap between the panels and the wall.


The Gran RU PORI is equally suitable for offices, private homes and public spaces. The material has CE marking and M1 classification for indoor air quality. To minimize chemical strain on the environment there are no added fire retardants in the panels. The product is classified as a decorative element in spaces with restrictive fire class regulations. If needed please confirm the meeting of local fire requlations based on these guidelines.


The Gran RU Collection panels require minimal maintenance. In the case of extensive dust collection, please use a vacuum cleaner with textile nozzle.


3-5 weeks, depending on order backlog and country of delivery.

Please add 2 week for orders outside Europe/EU area.

Gran Ru Pori
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