Introduction
VarianteX is presented as a modern alternative to traditional timber wool acoustic panels, offering excellent sound absorption (class C) and fire protection (class B1). It is lightweight, available in large sizes, and promotes a healthy indoor climate due to its open-pored timber structure. The product is FSC/PEFC certified upon request and offers an optimal price-performance ratio.

Specifications

• Material: Made from fresh softwood harvested sustainably.
• Surface Options: Natural, Patina (white coating), and Snow (white paint).
• Care: Washable with water and a synthetic sponge or brush; vacuumable. Painted surfaces can be renovated with Lahnau acoustic paint without losing acoustic properties.
• Construction Material Class: B1 (B-s2,d0).
• Acoustic Absorption: Class C, αw 0.65 at 500 Hz.
• Edge Finishings: Untreated or bevelled.
• Panel Thickness: Approx. 20 mm.
• Standard Sizes: Lengths: 3450, 3125, 2500, 1875, 1250, 625 mm; Widths: 1250, 625, 415 mm.
• Weight: Approx. 9 kg/m² +/- 5%.

Installation
VarianteX panels can be installed using screw assembly or insertion installation with visible T-profiles. The product is suitable for various construction systems, including direct mounting with chamfered acoustic panels.

Comparison with Timber Wool Acoustic Panels
VarianteX offers larger format possibilities, ease of handling due to its lighter weight, and superior acoustic values compared to traditional magnesite-bonded timber wool panels.

Conclusion
VarianteX represents a successful relaunch of a classic product, combining historical significance with modern technical advancements. It is a collaborative development by Lahnau Akustik and elka-Holzwerke, certified for fire protection class B1, and offers significant benefits in acoustic performance and installation flexibility.