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Class 0 Acoustic Foam Sheets

Buy Class 0 acoustic foam sheets for specification-led acoustic treatment. These fire-rated acoustic foam sheets are available as flat sheets in 25mm and 50mm thicknesses. The All Foam Class 0 technical data sheet states BS 476 Parts 6 and 7 fire performance.

Shop Class 0 foam Thickness guide What is Class 0? Technical specification Applications Installation Guides FAQs
Fire-rated acoustic treatment

Choose Your Class 0 Acoustic Foam Sheet

The Class 0 foam sheets on this page are intended for suitable acoustic treatment applications. Choose the sheet size and thickness from the current flat AFPCLS0 range, and select by the actual project specification rather than appearance alone.

Flat Class 0 acoustic foam 25mm or 50mm Two sheet sizes with two thickness choices. Check the specification BS 476 Parts 6 and 7 Review the All Foam technical data sheet before specification-led or critical installations.
Class 0 acoustic foam is acoustic treatment, not a complete soundproofing system. It can help control reflected sound and enclosure noise, but stopping sound transmission normally requires a wider construction using appropriate mass, isolation and sealing.
Shop Class 0 acoustic foam sheets

Flat Class 0 Acoustic Foam Sheets

Quick answer

Choose the flat AFPCLS0 sheet in 25mm or 50mm. Check the available treatment depth, sheet layout and project specification before ordering.

Spend £170+ and receive 10% off your order at checkout. The basket shows eligibility and the 10% checkout promotion applies when the qualifying order value reaches £170.

Flat Class 0 Acoustic Foam Class 0 Fire Rated

Class 0 Acoustic Foam Sheet

Data sheet

Flat open-cell Class 0 acoustic foam for specification-led acoustic treatment. The All Foam technical data sheet states UK Building Regulations Class 0 to BS 476 Parts 6 and 7. Supplied as an unbacked flat sheet so the fixing method can be selected separately for the installation.

Best suited to: Flat Class 0 acoustic treatment where 25mm or 50mm foam depth and documented fire performance are required.

Available sheet sizes: 100cm × 100cm, 200cm × 100cm.

Key details

  • Class 0 to BS 476 Parts 6 and 7 as stated on the All Foam data sheet
  • Open-cell acoustic and thermal polyurethane foam
  • 100cm × 100cm or 200cm × 100cm sheets
  • 25mm and 50mm thicknesses
  • Suitable for sound absorption and echo control

Suitable uses

  • Commercial and public-building acoustic treatment
  • Studios, cinemas, theatres and listening spaces
  • Metal and machinery enclosures where acoustic treatment is required
  • Restaurants, cafés, schools and lecture spaces
  • Projects where the stated Class 0 specification has been confirmed as suitable
View all sizes and prices 4 prices

The table lists every size, thickness and price-affecting option with the exact standard unit price.

Sheet size Thickness Price
100cm × 100cm 25mm £41.66
100cm × 100cm 50mm £73.65
200cm × 100cm 25mm £73.65
200cm × 100cm 50mm £143.65

Spend £170 or more in one qualifying order and receive 10% off at checkout.

Flat Class 0 acoustic foam sheet
Price £41.66

10% off orders £170+

Choose the treatment depth

Which Class 0 Acoustic Foam Thickness Do You Need?

The current AFPCLS0 sheet is available in two flat thicknesses. Start with the space available for the treatment, then check the acoustic design and project specification rather than choosing by thickness alone.

Thickness Practical consideration Before ordering
25mm A deeper flat treatment layer where the installation allows more foam depth. Check clearances, access panels and the required treatment area.
50mm The deepest standard AFPCLS0 flat sheet currently offered online. Allow for the full installed depth and confirm suitability for the complete project.
Understand the material

What Is Class 0 Acoustic Foam?

All Foam Class 0 acoustic foam is an open-cell acoustic and thermal polyurethane material manufactured with impregnated fire-retardant compounds. Its technical data sheet states UK Building Regulations Class 0 to BS 476 Parts 6 and 7.

Customers also sometimes search for Class O acoustic foam using the letter O. The classification stated on the All Foam technical data sheet is Class 0 with the number zero, so always check the exact project specification and technical document before ordering.

Acoustic treatment

The open-cell structure allows sound energy to enter the foam rather than reflecting entirely from the surface. This makes the material relevant to suitable acoustic treatment and enclosure applications.

Fire performance

The current All Foam technical data sheet states Class 0 to BS 476 Parts 6 and 7, Class 1 surface spread of flame to BS 476 Part 7, and UL94 V-0 and 94-5V.

Specification-led use

Class 0 should not be treated as a generic quality label. Where a project names a fire standard, compare the exact requirement with the supplied data sheet and confirm suitability for the finished installation.

Technical data

Class 0 Acoustic Foam Specification

These values come from the current All Foam Class 0 Acoustic Foam technical data sheet. They are typical product data and should be read with the complete document and its suitability disclaimer.

Property Test / reference Stated value
Density rangeInternal75 - 100 kg/m³
HardnessBS EN ISO 2439120 - 180 N
Tensile strengthBS EN ISO 1798> 70 kPa
Elongation at breakBS EN ISO 1798> 90%
Thermal conductivityInternal0.048 - 0.051 W/mK
Erosion resistanceInternal6000 ft/min
Working temperature rangeInternal-40 to +110 °C
CFC content-None
Fire performance stated on the data sheet: UK Building Regulations Class 0 to BS 476 Parts 6 and 7, Class 1 surface spread of flame to BS 476 Part 7, and UL94 V-0 and 94-5V. Open the Class 0 technical data sheet.
Where Class 0 foam is used

Class 0 Acoustic Foam Applications

The All Foam technical data sheet identifies commercial and public-building acoustic treatment and metal-enclosure vibration dampening among the relevant uses. The correct choice still depends on the complete project specification.

Commercial and public spaces

Cinemas, theatres, hotel lounges, restaurants, cafés, schools, lecture spaces and other premises where the stated Class 0 acoustic material is appropriate to the project specification.

Studios and listening spaces

Suitable acoustic treatment can help control reflections and reverberation inside recording, rehearsal, media and listening spaces. Check whether the project requires the Class 0 grade rather than standard acoustic foam.

Machinery and metal enclosures

The technical data sheet notes vibration dampening within metal enclosures. Check temperature, fixing method, airflow, fire specification and any additional industrial requirements before installation.

Specification-led acoustic projects

Where a contractor, venue or client provides a named fire standard, use that wording to check the data sheet. Contact All Foam when the requirement or finished assembly needs technical confirmation.

Fixing and installation

Installing Class 0 Acoustic Foam

The AFPCLS0 sheets are supplied unbacked. Plan the fixing method separately so it suits the substrate, installation location and complete project specification.

1. Check the substrate

Confirm that the receiving surface is clean, stable and appropriate for the specified fixing method before installation begins.

2. Plan the sheet layout

Measure the treatment area first. Plan joints, edges, access panels and obstructions before cutting or permanently fixing any sheets.

3. Confirm the environment

For machinery, public buildings, heat exposure or other critical applications, confirm that the complete product specification and installation method suit the environment.

4. Keep the data sheet

Where a project is specification-led, retain the technical document with the product grade, thickness, installation location and purchase information.

Acoustic treatment explained

Acoustic Treatment vs Soundproofing

Customers often search for fire-rated soundproofing foam, but acoustic absorption and structural sound isolation are different jobs. Class 0 acoustic foam is primarily an absorptive treatment material.

Use Class 0 acoustic foam to treat suitable reflections, reverberation and enclosure noise. If the goal is to stop noise travelling through walls, floors, ceilings, doors or openings, the project normally needs a broader sound-isolation design. Do not rely on acoustic foam alone as a complete noise barrier.
Class 0 acoustic foam guides

Learn More About Class 0 Acoustic Foam

Use these practical guides to understand the Class 0 specification, plan installation, compare standard acoustic foam and work out treatment depth, placement and quantity before ordering.

Helpful answers

Class 0 Acoustic Foam FAQs

Clear answers about Class 0 fire information, sheet sizes, installation, acoustic treatment and specification-led use.

Ask the All Foam Team
What is Class 0 acoustic foam?

The All Foam Class 0 data sheet describes an open-cell acoustic and thermal polyurethane foam manufactured with impregnated fire-retardant compounds. The sheet states UK Building Regulations Class 0 to BS 476 Parts 6 and 7 and Class 1 surface spread of flame to BS 476 Part 7.

Is Class 0 foam the same as ordinary fire-retardant acoustic foam?

No. Fire-retardant is a broader description. The Class 0 products on this page have a separate technical data sheet with stated Class 0 test information. Check the exact grade and supporting document when a project specifies a fire classification.

Is Class O acoustic foam the same as Class 0 acoustic foam?

Class O acoustic foam is a common search spelling that uses the letter O. The classification stated on the All Foam technical data sheet is Class 0 with the number zero. When a project specifies a fire standard, check the exact wording and supporting technical data rather than relying on the spelling used in a search.

Does Class 0 acoustic foam soundproof a room?

Class 0 acoustic foam is used for acoustic treatment and can help control reflected sound, reverberation and enclosure noise. It is not a complete structural soundproofing barrier on its own. Reducing sound transmission through walls, floors, ceilings, doors or gaps normally requires a wider construction approach.

What sizes and thicknesses are available?

The Class 0 acoustic foam sheet is available in 100cm × 100cm and 200cm × 100cm sizes at 25mm and 50mm thicknesses. Choose the thickness according to the available treatment depth and the requirements of the complete installation.

How should Class 0 acoustic foam sheets be installed?

The current AFPCLS0 sheets are supplied unbacked. Select a fixing method that is compatible with the foam, substrate, location and complete project specification, and use an appropriately qualified installer where the application requires it.

Which Class 0 acoustic foam thickness should I choose?

Choose 25mm or 50mm according to the available installation depth, treatment area and project specification. Thickness alone does not establish the acoustic result or suitability for a fire-critical installation, so check the complete design and technical data before ordering.

Can Class 0 acoustic foam be used in machinery or metal enclosures?

The All Foam technical data sheet identifies acoustic treatment and vibration dampening within metal enclosures as relevant uses. Confirm the operating temperature, fire requirement, fixing method and complete enclosure specification before ordering for critical industrial applications.

Where can I check the Class 0 technical specification?

Use the Class 0 Acoustic Foam data sheet linked from both product cards. It lists the stated fire performance, density, hardness, tensile strength, elongation, thermal conductivity, erosion resistance and working temperature range.

Can All Foam help with non-standard Class 0 foam requirements?

Yes. The online selectors show the standard sheet sizes and purchasable options. For non-standard dimensions, specialist conversion or specification-led applications, contact All Foam with the required dimensions, use and technical requirement before ordering.