Echo-Less Foam Acoustic Panels Black Diagonal 30×30×5cm Self-Adhesive

Upgrade your acoustic environment with Echo-Less Black Diagonal Acoustic Foam Panels, designed to absorb unwanted sound reflections, reduce echo and control reverberation in residential and commercial spaces.

Featuring a distinctive diagonal-profile surface, these panels provide increased surface area for effective sound absorption while adding a modern, professional appearance to any room.

Manufactured from 25 kg/m³ open-cell polyurethane foam, these lightweight, self-adhesive panels offer excellent acoustic performance with quick and convenient installation.

Key Features

• Superior Sound Absorption: The diagonal-profile design increases the exposed surface area, helping absorb sound reflections, reduce echo and improve overall sound clarity.

• High-Density Acoustic Foam: Manufactured from 25 kg/m³ open-cell polyurethane foam for reliable acoustic performance and durability.

• Excellent Acoustic Performance: Noise Reduction Coefficient (NRC) of >0.90, providing effective absorption of mid- to high-frequency sounds.

• Self-Adhesive Installation: Convenient peel-and-stick backing eliminates the need for additional adhesives or complicated installation.

• B1 Flame-Retardant Rating: Manufactured using flame-retardant acoustic foam for improved fire safety.

• Lightweight & Flexible: Easy to handle, position and install on suitable clean, dry and smooth surfaces.

• Modern Diagonal Design: Stylish textured surface suitable for both decorative and functional acoustic applications.

Ideal Applications

• Recording Studios & Podcast Rooms

• Home Theatres & Gaming Rooms

• Classrooms & Lecture Halls

• Commercial Offices & Boardrooms

• Restaurants, Cafés & Retail Spaces

• Fitness Centres, Gyms & Cinemas

• Hotels & Hospitality Venues

• Home Offices & Living Spaces

Specifications

• Brand: Echo-Less

• Product: Diagonal Acoustic Foam Panel

• Colour: Black

• Panel Dimensions: 300 × 300 × 50 mm

• Thickness: 50 mm (5 cm)

• Material: Open-Cell Polyurethane Acoustic Foam

• Density: 25 kg/m³

• Noise Reduction Coefficient (NRC): >0.90

• Fire Rating: B1 – Flame Retardant

• Surface Profile: Diagonal

• Installation: Self-Adhesive Peel-and-Stick Backing

• Application: Interior Wall & Ceiling Acoustic Treatment

Acoustic Treatment vs. Soundproofing – Choose the Right Solution

Acoustic Treatment – Reducing Echo & Reverberation

Echo-Less Acoustic Foam Panels are designed for sound treatment, helping to absorb reflected sound waves, reduce reverberation and improve speech clarity and overall room acoustics.

For effective acoustic treatment, we generally recommend covering approximately 25–30% of the room's reflective surfaces with suitable acoustic panels. Actual coverage requirements depend on the room's size, layout and acoustic characteristics.

Soundproofing – Reducing Sound Transmission

Soundproofing is different from acoustic treatment. It aims to reduce sound travelling between rooms or entering and leaving a building.

Effective soundproofing generally requires a combination of mass, airtight sealing, insulation and appropriate wall, ceiling or floor construction.

For applications requiring additional sound insulation, consider our Echo-Less Closed-Cell Soundproofing Foam Sheet (200 × 50 × 2.5 cm). This denser, closed-cell material may assist with vibration damping and certain noise-control applications. For substantial sound isolation, additional soundproofing materials and construction methods may be required.

Easy Installation

1. Ensure the installation surface is clean, dry, smooth and free from dust or grease.

2. Plan the panel layout before installation.

3. Carefully remove the protective film from the self-adhesive backing.

4. Position the panel and press firmly against the surface to ensure secure adhesion.

5. Repeat until the desired acoustic coverage is achieved.

Important: Adhesive performance depends on the surface condition and finish. Test adhesion on a small area before completing the installation.

Shipping & Packaging Information

Compressed Packaging: To reduce shipping volume and delivery costs, these acoustic foam panels may be supplied in compressed packaging.

Slight deformation or flattening immediately after unpacking is normal. Allow the foam sufficient time to expand and recover its original diagonal-profile shape.

Detailed decompression and shape-restoration instructions are included inside the package.

Echo-Less – Acoustic Treatment Solutions

Improve sound clarity, reduce unwanted echo and create a more comfortable acoustic environment with Echo-Less Diagonal Acoustic Foam Panels.