DeadSound®
DeadSound Thermal Fleece – Premium Campervan & Vehicle Insulation
DeadSound Thermal Fleece – Premium Campervan & Vehicle Insulation
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Recycled Thermal Fleece Insulation for Campervans and Vans
Create a warmer, quieter and more comfortable vehicle with DeadSound Thermal Fleece. Manufactured from more than 95% recycled plastic bottles, this lightweight polyester insulation is designed for campervans, motorhomes, commercial vehicles, horseboxes, boats and specialist conversions.
The soft, flexible structure fills irregular cavities and fits around ribs, wiring and curved panels. It helps slow heat transfer through the vehicle body and absorbs airborne sound behind wall and roof panels. Unlike traditional glass-fibre insulation, it is comfortable to handle, produces no itchy fibres and is easy to cut with sharp scissors or a suitable knife.
Key Benefits
- Manufactured from more than 95% recycled plastic bottles
- Helps retain warmth in winter and reduce heat gain in summer
- Absorbs airborne road, wind and rain noise
- Lightweight, flexible and easy to shape around vehicle cavities
- Comfortable to handle without itchy glass fibres
- Resistant to mould, mildew and moisture
- Designed to retain its shape without settling like loose-fill insulation
- Suitable for DIY conversions and professional installation
Where to Install Thermal Fleece
| Area | Recommended use |
|---|---|
| Walls and side cavities | Fill voids behind lining panels without compressing the fleece excessively |
| Roof and ceiling cavities | Secure carefully before fitting the finished ceiling panel |
| Rear doors and tailgates | Fit around mechanisms while keeping drainage paths and moving parts clear |
| Wheel-arch surrounds | Use as an acoustic absorption layer after vibration-damping treatment |
| Furniture and boxed sections | Use where a lightweight, flexible insulation layer is required |
Do not obstruct drainage holes, vents, wiring access, airbags, seatbelt systems or moving door mechanisms.
Thermal and Acoustic Performance
Thermal Fleece slows the movement of heat through vehicle panels, helping the interior remain more stable throughout the year. It also absorbs airborne sound within cavities, reducing the amount of road, wind and rain noise reflected through the finished interior.
For the strongest overall result, use a layered system:
- Apply DeadSound butyl sound deadening directly to resonant metal panels.
- Add a closed-cell thermal layer such as DS Thermal Pro 5mm or DS Thermal Pro 10mm where appropriate.
- Fill deeper cavities with DeadSound Thermal Fleece.
- Finish with interior panels and 4-Way Stretch Carpet Lining.
Condensation Guidance
Thermal insulation can help reduce cold interior surfaces, but no insulation product can prevent condensation on its own. Effective moisture control also depends on ventilation, sealing water ingress, avoiding large air gaps against cold metal and allowing the vehicle to dry properly after use.
How to Install
- Remove trim and inspect the area for leaks, corrosion and trapped moisture.
- Clean and dry the installation area.
- Measure the cavity and cut the fleece slightly oversized for a neat friction fit.
- Position the material without crushing it, as excessive compression reduces the trapped air that provides insulation.
- Use a compatible adhesive or mechanical fixing only where support is required.
- Keep wiring, drainage points, vents and serviceable components accessible.
- Fit the finished wall, roof or furniture panel over the insulation.
For adhesive-supported installation, use DeadSound Trim Fix 120 and always test compatibility first.
Thermal Fleece Compared with Other Insulation
| Insulation type | Best suited to | Key consideration |
|---|---|---|
| DeadSound Thermal Fleece | Deep cavities, irregular spaces, walls and roofs | Flexible acoustic and thermal infill; avoid excessive compression |
| Closed-cell foam | Directly covering metal panels and reducing cold bridging | Thin, moisture-resistant layer that follows the panel surface |
| Rigid insulation board | Large, flat cavities where accurate cutting is possible | Harder to fit around ribs, curves and wiring |
| Natural wool insulation | Flexible cavity insulation | Check moisture, treatment, odour and material specifications carefully |
Suitable Vehicles and Projects
Ideal for VW Transporter, Ford Transit Custom, Renault Trafic, Vauxhall Vivaro, Mercedes Sprinter, VW Crafter, MAN TGE, Fiat Ducato, Peugeot Boxer and Citroën Relay conversions, as well as motorhomes, caravans, horseboxes, welfare vehicles, trucks, buses and boats.
Complete Your Installation
- Thermal Fleece & Adhesive Bundle
- Sound Deadening Sheets and Rolls
- Trim Fix 120 High Heat Spray Adhesive
- 4-Way Stretch Carpet Lining
- Vehicle Sound Deadening & Insulation Kits
Frequently Asked Questions
Is Thermal Fleece suitable for campervans?
Yes. It is designed for vehicle conversions and is particularly useful in walls, roofs, doors and irregular cavities.
Does it reduce road noise?
It absorbs airborne sound behind finished panels. For metal vibration and panel resonance, apply butyl sound deadening directly to the metal first.
Will it stop condensation?
It can help reduce cold surfaces as part of a correctly designed system, but ventilation, moisture control and leak prevention remain essential.
Is it waterproof?
It is moisture resistant, but it should not be installed in areas with active water ingress or used as a waterproofing material.
Does it need adhesive?
Some cavities hold the fleece securely by friction and the finished panel. Roofs, doors and open areas may require compatible adhesive or mechanical support.
Should I compress the fleece?
No. Fit it neatly but avoid heavy compression, which reduces the air trapped within the material and can reduce insulation performance.
Can it be installed directly against metal?
It can be fitted within vehicle cavities, but a closed-cell layer against bare metal can improve cold-bridge and moisture management. Inspect and prepare all metal surfaces first.
What is the difference between this product and the bundle?
This listing contains the Thermal Fleece only. The bundle combines the same insulation with adhesive or preparation products for a more complete installation package.
