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Acoustic materials

Flamex Baffles

Suspended acoustic baffle for high sound absorption.

Weighted sound absorption coefficient up to αw = 0.80

Non-fibrous and dust-free material

Customizable layout for suspended ceilings

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Description

Flamex Baffles are open-cell melamine foam panels designed for suspension from ceilings or placement in open spaces where high acoustic performance is required. Lightweight (~7 kg/m³), thermally stable and fire-retardant, they are ideal for offices, studios, auditoria, gyms and industrial environments.

Standard sizes per type:

  • Flamex Baffle: flat panel, 1,200 × 220 × 50 mm
  • Flamex Kubus Baffle: cube-shaped, 200 × 200 × 200 mm
  • Flamex Cilinder Baffle: cylindrical, Ø 200 mm × 1,200 mm

While technical performance is consistent across all types, the shape influences acoustic diffusion, aesthetics and layout flexibility.

Core features
Fundamental properties that define performance.
CE certification
Sound insulation
Fire resistance
Smoke control
Burglary resistance
Bullet resistance
Air and gas tightness
Additional functions
Additional functions that enhance safety and control.
Anti-panic function
Access control
Specialised options
Solutions for highly specific technical environments.
Ventilation
ATEX model
Transformer model
Properties

Flamex Baffles offer a sound absorption coefficient (αw) of up to 0.80, depending on installation density:

  • 4.2 baffles/m²: weighted sound reduction coefficient αw = 0.80
  • 1.1 baffles/m²: weighted sound reduction coefficient αw = 0.45 – 0.50

The panels have a thermal conductivity of λ ≈ 0.033–0.037 W/(m·K) and maintain stability at temperatures from –43 °C to +150 °C. Fire performance is tested to EN 13501-1, Class C, with smoke production s2 and droplet formation d0. The material is fibre-free, dust-free and ageing-resistant.

Applications

Flamex Baffles are ideal for suspended ceiling systems, freestanding acoustic elements or decorative installations in offices, studios, auditoria, gyms and industrial spaces. Panels can be cut to size, arranged in custom patterns and mounted with wire hangers or brackets. Panels should be acclimatised for 24 hours prior to installation.

Downloads and specifications

For complete technical specifications, manuals and certificates, refer to the documents below.
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Answers to common questions

Answers to the most common technical and practical questions.
Can the acoustic performance be predicted for a specific space?

Merford can perform acoustic analyses or simulations to predict noise levels and reverberation times based on material selection, room dimensions, and finishes, ensuring the right solution is designed.

How maintenance-friendly are these materials?

Our acoustic materials generally require minimal maintenance. Dusting and cleaning is usually sufficient to maintain long‑term performance.

What is the difference between vibration isolation, sound insulation, and sound absorption?
  • Vibration isolation reduces mechanical vibrations from machines or equipment, preventing transmission to the building structure or floor.
  • Sound insulation prevents sound from passing from one space to another, e.g., between rooms or to the exterior.
  • Sound absorption reduces echo and reverberation within a space by damping sound waves, improving comfort and speech intelligibility.

Merford materials can provide one or more of these effects depending on the product type, such as absorption panels for rooms or isolation around ventilation units.