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Four sustainable acoustic materials for modern architecture. Each chosen for performance, surface, and a low footprint, and each with its own page.

Aisti® Aalto

Available 2026

Foam-formed natural wood fibre. Absorption Class A, two formats, two thicknesses. Fits standard T-grid ceilings or mounts directly with adhesive.

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Aisti Aalto acoustic tile in a daylit interior

Wuud

In development

Embossed wooden cladding for interior and exterior. Real birch, alder, aspen and pine, modified to hold deep relief. Finnish-developed.

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Wuud embossed wooden cladding

Sappa

In development

A new material joining the Beyond Rational range. Full presentation and specifications coming soon.

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Sappa hemp acoustic panels

Mogu

In development

A new material joining the Beyond Rational range. Full presentation and specifications coming soon.

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Mogu mycelium acoustic panels