High Performance Acoustic & Thermal Insulation
DecraBatt Polyester Acoustic Insulation
DecraBatt is a high-performance polyester acoustic insulation designed for commercial buildings, HVAC systems, wall cavities, ceilings and acoustic panel systems. Manufactured from 100% polyester fibre with a minimum of 75% recycled content, DecraBatt provides excellent sound absorption, thermal performance and straightforward installation for contractors and mechanical services professionals.
What is DecraBatt Acoustic Insulation?
DecraBatt is a polyester acoustic insulation system engineered to reduce reverberation and improve acoustic comfort within commercial, educational, healthcare and industrial environments. Available in a range of densities and thicknesses, DecraBatt can be specified behind acoustic wall panels, ceiling systems, perforated linings, HVAC equipment and mechanical services enclosures.
Unlike traditional fibreglass insulation products, DecraBatt is non-irritant, low VOC and easy to handle during installation. Available in white and black, DecraBatt offers a practical solution for projects requiring acoustic absorption and thermal performance.
Key Benefits
- Excellent sound absorption performance
- Available in multiple densities and thicknesses
- Non-irritant and easy to install
- Low VOC emissions
- Minimum 75% recycled PET content
- Suitable for wall and ceiling systems
- Available in white and black finishes
- Thermal insulation properties
- ASTM E84 Class A tested
- Suitable for commercial and industrial projects
Versatile Polyester Acoustic Insulation for Multiple Applications
DecraBatt is available in a range of densities, thicknesses and colours to suit commercial construction, mechanical services and specialist acoustic applications. Whether used within wall cavities, above suspended ceilings, behind perforated linings or as the acoustic core inside fabric-wrapped panels, DecraBatt delivers dependable sound absorption while remaining lightweight and easy to handle.
Manufactured from 100% polyester fibre with a minimum of 75% recycled PET content, DecraBatt provides an effective solution for architects, contractors, HVAC specialists and acoustic consultants.
Applications
DecraBatt is suitable for projects where reverberation control and acoustic absorption are required.
- Commercial offices
- Schools and universities
- Hospitals and healthcare facilities
- Auditoriums and theatres
- Community halls
- Studios and recording facilities
- Retail developments
- Industrial enclosures
- Sports centres
- Acoustic wall panel systems
- Acoustic ceiling systems
Acoustic Insulation for HVAC and Mechanical Services
Mechanical services equipment often generates unwanted noise that can affect occupant comfort and building performance. DecraBatt can be used in plant rooms, acoustic enclosures, ductwork systems, acoustic louvres and silencers to assist with noise control.
Its lightweight polyester construction makes it suitable for a wide range of HVAC and MEP applications where sound absorption and thermal performance are required.
- Plant rooms
- Mechanical services enclosures
- HVAC ductwork
- Acoustic louvres
- Silencers
- Equipment enclosures
- Generator rooms
- Pump rooms
Industrial Acoustic Solutions for Plant Rooms and MEP Services
Mechanical plant rooms, HVAC systems and industrial equipment generate significant noise that can affect adjacent workspaces and occupied areas. Decrabatt acoustic insulation is designed to be installed behind perforated metal linings, acoustic enclosures and equipment housings to absorb sound energy and reduce reverberation within plant rooms.
Suitable for air handling units, generators, compressors, pump rooms and mechanical services, Decrabatt combines excellent acoustic performance with thermal insulation and long-term durability. Its lightweight construction makes installation straightforward while helping engineers and contractors achieve quieter, more efficient mechanical installations.
Available in a range of thicknesses and densities, Decrabatt can be specified for new projects or retrofit applications across commercial buildings, industrial facilities, hospitals, data centres and infrastructure projects.
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Technical Data
Thermal Performance
The table below summarises the standard Decrabatt range together with Noise Reduction Coefficient (NRC), thermal resistance and standard packaging.
Acoustic Performance
Acoustic testing has been undertaken in accordance with ISO 354 using an ILAC approved reverberation chamber. Frequency absorption data assists designers and acoustic consultants in selecting the most appropriate insulation density and thickness.
Fire Performance
| Test Standard | Classification |
|---|---|
| ASTM E84 | Class A |
| EN13501 | B-s2,d0 |
| ISO 9705 | Group 1-S |
| BS476 Part 7 | Class 1Y |
Physical Properties
| Property | Specification |
|---|---|
| Material | 100% Polyester Fibre |
| Standard Sheet Size | 2400 × 1200 mm |
| Thickness Range | 25 mm – 120 mm |
| Colours | White, Grey and Black |
| Moisture Resistance | Unaffected by moisture |
| Vermin Resistance | Naturally resistant |
| Installation | Walls, ceilings, HVAC and OEM applications |
Environmental Credentials
| Feature | Performance |
|---|---|
| Recycled Content | Minimum 75% |
| VOC Emissions | 0.01 mg/m³ |
| Formaldehyde | E0 |
| Recyclable | Yes |
| Manufacturing | Zero Waste Programme |
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Available Product Range
| Product | Thickness | NRC |
|---|---|---|
| DS25-25 | 25mm | 0.55 |
| DS48-25 | 25mm | 0.75 |
| DS20-50 | 50mm | 0.90 |
| DS48-50 | 50mm | 0.90 |
| DS20-100 | 100mm | 0.95 |
| DS40-100 | 100mm | 1.05 |
| DS48-100 | 100mm | 1.10 |
Fire Testing and Compliance
DecraBatt has been tested to recognised international fire standards including ASTM E84 Class A. Additional testing includes EN13501 classifications and ISO fire performance testing.
Project-specific fire requirements should always be reviewed against local building regulations and project specifications.
Sustainability
DecraBatt is manufactured from 100% polyester fibre containing a minimum of 75% recycled PET material. The product is recyclable, low VOC and supports environmentally responsible building design.
Manufactured under ISO-certified quality and environmental management systems, DecraBatt supports projects seeking sustainable building outcomes while maintaining acoustic and thermal performance.
Installation
DecraBatt can be installed behind perforated linings, acoustic wall panels, suspended ceilings and mechanical services enclosures. Installation may be completed using approved construction adhesives, insulation anchors or mechanical fixing systems depending on project requirements.
Contact the Decrasound team for project-specific installation advice and detailing.
Technical Performance
Decrabatt acoustic insulation is available in a range of densities and thicknesses to suit commercial, industrial, HVAC and OEM applications. The table below summarises the standard product range together with acoustic performance, thermal resistance and pack coverage. Custom sizes, densities and colours are available on request.
| Product | Thickness (mm) |
NRC | Estimated R-Value |
Pack Configuration | Coverage (m²) |
|---|---|---|---|---|---|
| DS25-25 | 25 | 0.55 | R0.61 | 1200 × 2400 mm × 10 Sheets | 28.80 |
| DS48-25 | 25 | 0.75 | R0.73 | 1200 × 2400 mm × 10 Sheets | 28.80 |
| DS8-50 | 50 | 0.75 | R1.36 | 1000 × 20 m × 2 Rolls | 40.00 |
| DS20-50 | 50 | 0.90 | R2.03 | 1200 × 2400 mm × 5 Sheets | 14.40 |
| DS48-50 | 50 | 0.85 | R2.20 | 1200 × 2400 mm × 5 Sheets | 14.40 |
| DS48-100 | 100 | 1.10 | R2.81 | 1200 × 2400 mm × 2 Sheets | 5.70 |
Note: Performance values are based on laboratory testing. Actual acoustic and thermal performance may vary depending on the construction system, installation method and project conditions. Custom densities, thicknesses and dimensions are available on request.
Decrabatt Acoustic Performance
Decrabatt has been independently tested to recognised international standards for acoustic performance, thermal insulation and fire performance. The following technical information summarises the standard product range. Additional sizes, densities and custom manufacturing options are available on request.
| Product | Density kg/m³ | Thickness | Weight | 125Hz | 250Hz | 500Hz | 1000Hz | 2000Hz | 4000Hz | NRC |
|---|---|---|---|---|---|---|---|---|---|---|
| DS14-25 | 14 | 25 mm | 350 | 0.13 | 0.29 | 0.48 | 0.62 | 0.69 | 0.65 | 0.50 |
| DS25-25 | 25 | 25 mm | 325 | 0.15 | 0.30 | 0.50 | 0.65 | 0.75 | 0.75 | 0.55 |
| DS35-25 | 35 | 25 mm | 875 | 0.10 | 0.38 | 0.64 | 0.83 | 0.88 | 0.84 | 0.70 |
| DS48-25 | 48 | 25 mm | 1200 | 0.15 | 0.42 | 0.73 | 0.92 | 0.96 | 0.90 | 0.75 |
| DS14-50 | 14 | 50 mm | 700 | 0.29 | 0.54 | 0.78 | 0.82 | 0.80 | 0.76 | 0.75 |
| DS35-50 | 35 | 50 mm | 1750 | 0.29 | 0.68 | 1.01 | 1.01 | 0.97 | 0.95 | 0.90 |
| DS48-50 | 48 | 50 mm | 2400 | 0.30 | 0.55 | 0.90 | 0.95 | 0.95 | 0.95 | 0.90 |
| DS48-100 | 48 | 100 mm | 4800 | 0.88 | 1.14 | 1.10 | 1.03 | 1.03 | 0.98 | 1.10 |
Simple and Efficient Installation
Decrabatt acoustic insulation is designed for fast and efficient installation within steel and timber framed wall systems, suspended ceilings and service cavities. The lightweight batts are easy to handle, cut and friction fit between framing members, reducing installation time while maintaining consistent coverage.
Suitable for both new construction and refurbishment projects, Decrabatt provides effective acoustic and thermal performance without the dust and irritation commonly associated with traditional insulation products. It is ideal for commercial offices, healthcare facilities, education buildings, apartments, hotels and industrial developments where reliable sound control is required.
Need Acoustic Insulation for Your Project?
Contact Decrasound for acoustic performance data, product selection advice, project specifications and contractor support.
Frequently Asked Questions
What is DecraBatt?
DecraBatt is a range of polyester acoustic insulation and rigid acoustic panels designed to improve sound absorption and thermal performance in commercial, education, healthcare and industrial environments.
What is the difference between DecraBatt Blanket and DecraBatt Acoustic Panel?
DecraBatt Blanket is designed primarily as a concealed acoustic insulation installed behind wall panels, ceilings, perforated linings and mechanical services systems. DecraBatt Acoustic Panel is a rigid panel designed for direct installation onto walls and ceilings where the acoustic material remains exposed.
Where can DecraBatt be used?
DecraBatt is suitable for offices, schools, universities, healthcare facilities, auditoriums, theatres, retail developments, plant rooms, HVAC systems, acoustic louvres, silencers and industrial enclosures.
Is DecraBatt suitable for HVAC and mechanical services applications?
Yes. DecraBatt can be used in plant rooms, ductwork systems, acoustic enclosures, acoustic louvres, silencers and other mechanical services applications where sound absorption and thermal insulation are required.
What thicknesses are available?
DecraBatt is available in a range of thicknesses from 25mm to 100mm depending on the selected product type and acoustic performance requirements.
What acoustic performance can DecraBatt achieve?
Depending on density and thickness, DecraBatt Blanket can achieve sound absorption ratings up to NRC 1.10. DecraBatt Acoustic Panels can achieve NRC ratings up to 0.95.
Does DecraBatt contain recycled material?
Yes. DecraBatt is manufactured from 100% polyester fibre and contains a minimum of 75% recycled PET material, helping support sustainable building projects.
Is DecraBatt safe to handle?
Yes. DecraBatt is non-toxic, non-allergenic and non-irritant. Unlike traditional fibreglass insulation products, it does not typically require special protective clothing during installation.
What fire testing has been completed?
DecraBatt has been tested to recognised international standards including ASTM E84 Class A and EN13501 classifications. Selected products are also available with Group 1 fire performance ratings.
Can DecraBatt contribute to sustainable building certifications?
Yes. DecraBatt contains recycled PET content, is recyclable, low VOC and may contribute towards Green Star, Living Building Challenge and other environmentally focused building initiatives.