Acoustic panel installation — photo 1
Acoustic panel installation — photo 2


Rigid, lightweight acoustic panels made from recycled glass. They deliver high sound absorption like a fibrous product but are non-fibrous, weather-resistant, and chemically inert - ideal for indoor or outdoor spaces that need durability and easy cleaning. Panels can be cut or drilled on site, with excellent fire and moisture performance.

Overview

What it’s made from: End-of-life glass that can no longer be used by the glass industry is cleaned, ground, and expanded into lightweight porous beads. Those beads are bonded to form rigid, open-cell acoustic panels. The result is a non-fibrous, chemically inert, weather-resistant material that absorbs sound like a fibrous product but is far tougher and easier to clean.

The lifecycle, in brief:

  • Glass recovery — post-consumer/industrial glass is diverted from landfill.
  • Processing — the glass is finely ground and expanded to create cellular (foamed) glass beads.
  • Panel forming — beads are bonded into rigid, porous panels; available natural or pigmented and easy to cut/drill on site.
  • In use — panels provide high sound absorption, resist weather and moisture, and offer excellent fire performance for indoor or outdoor projects.
  • Impact — high recycled content and long service life support sustainability goals with minimal maintenance.

How it absorbs sound:

  • Open-cell porosity — sound waves push air through millions of interconnected pores. As the air moves, tiny frictional (viscous) and thermal losses inside the pore network convert sound energy into a trace amount of heat, reducing reflections back into the room.
  • Tortuous path — the irregular, maze-like structure forces the wave to travel a longer route, breaking up reflections and increasing the time/area over which energy is dissipated.
  • Surface micro-cavities — the panel’s hard but porous face behaves like a resistive skin, so it doesn’t need a fabric facing to “activate” absorption; the pores start working right at the surface.
  • Frequency behaviour — very high absorption in the mid–high bands (speech and most indoor noise). Low-frequency uptake improves further when mounted over an air gap or with a suitable backing layer.
  • Absorption vs insulation — these panels soak up reverberant sound inside a space (absorption). If you need to block sound between rooms, that’s sound insulation and typically requires mass and airtight construction.

Tip: for maximum low-frequency performance, install with an air gap behind the panel (where design allows); for tougher environments, direct-fix still gives excellent mid–high frequency control.

Specification
Material
Rigid, open-cell panel made from recycled expanded glass (non-fibrous, chemically inert, VOC-free).
Standard size
1200 × 600 mm
Standard thicknesses
25mm or 50mm - 25mm suits quieter spaces (Office, Meeting rooms, Bars/Pubs). 50mm is for higher-noise enviroments (Train tunnels, Heat Pump / Generator enclosures. Custom depth available (15-50mm).
Weight
≈ 8 kg/m² at 25 mm thickness (proportionally higher for 50 mm).
Colours
Comes in a light grey. Can customize to any RAL colour.
Edges
Square edge as standard. Can be easily worked on site with basic tools or we can custom cut to your specifications.
Workability
Cut, drilled, and machined with standard woodworking tools (use dust protection when cutting).
Mounting
Bonded with thin-bed cementitious adhesive or mechanically fixed; suitable for walls, ceilings, barriers, and linings.

Note: Acoustic class and final weight depend on build-up and mounting method. See “Acoustic Performance” and “Installation” dropdowns for details.

Applications
  • Walls & ceilings — sound-absorbing wall panels and sound-proof ceilings, including curved atriums and soffits.
  • Sports & public spaces — robust enough for sports halls and busy circulation areas; quick, clean installation.
  • Healthcare & hygiene-critical — non-fibrous surface can be washed with standard detergents and sterilizers.
  • Pools & humid areas — won’t sag or stain with moisture exposure; ideal for swimming pools and leisure centres.
  • External façades & canopies — lightweight exterior cladding; easy on-site cutting for verandas, smoking shelters and balconies/soffits.
  • Noise barriers — weather-proof and impact-resistant absorptive barriers for outdoor settings.
  • Tunnel & duct linings — durable acoustic lining for tunnels, ducts and transport corridors.
  • Plant & machinery — acoustic treatment around plant rooms, generators and similar mechanical equipment.
  • Studios & specialist uses — recording spaces, shooting-range acoustics and other high-control environments.
  • Animal facilities — noise reduction for kennels and similar enclosures.
Acoustic performance

High absorption — lab & application data only (no physical spec).

Performance summary (laboratory & application data)
Metric Result (indicative) Standard / Notes
Absorption class Up to Class A (architectural installations) EN ISO 11654 classification; derived from EN ISO 354 absorption data.
Traffic noise absorption ≈ 8 dB(A) — Category A3 BS EN 1793-1 sound absorption for road/transport contexts.
Tunnel/transport applications Class B absorption reported for typical tunnel mountings EN-ISO 11654; result depends on mounting/build-up.
Mid–high frequency absorption αs ≈ 0.95–1.00 From published absorption charts; excellent reverberation control.
Indicative octave-band absorption (αs)
Octave band (Hz) 125 250 500 1k 2k 4k
αs (range) ~0.35 ~0.65–0.85 ~0.90–0.95 ~0.95–1.00 ~0.95–1.00 ~0.90–1.00

Figures are drawn from absorption charts and application notes. Actual results depend on mounting, backing, air gaps, and boundary conditions. Absorption (soaking up sound) is different from insulation (blocking sound).

Installation

Overview — Panels can be bonded with cement-based tile adhesive or mechanically fixed to battens/substrates. Panels can be cut, drilled and shaped on site with normal woodworking tools (use dust protection).

Primary fixing methods
Method Where used Key steps
Adhesive — walls Masonry/blockwork, prepared walls Store on a clean pallet/surface. Trowel a cement-based tile adhesive over the entire back face using a ~4 mm notched trowel; lift and press panel firmly onto the wall. Stagger joints like brickwork and wipe off any squeeze-out.
Adhesive — ceilings Concrete or board ceilings As above: full-coverage trowel-applied cement adhesive to the back face (~4 mm), then lift and push to the ceiling. Provide temporary support while the adhesive cures.
Direct fixing — walls Solid masonry/concrete where a cavity isn’t required Mark out a grid so all panel edges and mid-spans are supported by fixings. Pre-drill through the panel and into the substrate; insert suitable masonry plugs/frame fixings. Use stainless/galvanised screws with large-diameter washers or plates; keep fixings ~30 mm from panel edges. Tighten snugly without crushing the face. Optional: apply small dabs of adhesive behind corners/centres to prevent drumming.
Mechanical — battens Walls/ceilings needing a cavity or mixed substrates Screw through the panel into timber battens; keep fixings ~30 mm from panel edges. Use galvanised or stainless fixings. Lay out a batten grid so all panel edges land on battens (e.g., 1200 × 600 mm).

Substrate prep & layout

  • Storage/handling: Keep panels clean, flat and dry on pallets or a clean surface prior to fixing.
  • Set-out: Install in a staggered/brick-bond pattern where possible; start from a straight datum line.
  • Batten grids (where used): Space and fix treated timber battens so panel edges and mid-spans are fully supported; secure battens to the structure with appropriate anchors.
  • Cutting & drilling: Use standard woodworking tools. Wear suitable PPE and control dust.

Adhesive fixing – tips

  • Use a cement-based tile adhesive; spread across the entire back of the panel with ~4 mm notches for full-face contact.
  • Press panels firmly in place; support overhead panels while curing. Clean off any adhesive at joints as you go.

Mechanical fixing – tips

  • Fix through the face into battens/substrate; keep screws approximately 30 mm from panel edges.
  • Use stainless or galvanised screws and, where specified, washers/plates for pull-through resistance.

Ceilings & seamless systems

  • Direct-bond ceilings: Full-face cement adhesive; provide temporary props until cured.
  • Seamless finishes: Boards are bonded first, then an acoustic plaster/finish is applied according to the chosen system’s guidance (including joint treatment and application method).

Note: Always follow project-specific design details (fire, moisture, impact, external exposure) and structural fixing requirements. Acoustic performance will vary with mounting method (solid bond vs cavity), backing, and any air gap.

Acoustic panel — photo 3
Acoustic panel — photo 4
Acoustic panel — photo 5
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