DS Thermal 5mm Sound Deadening & Insulation Roll

DeadSound DS Thermal 5mm combines a premium butyl sound-deadening layer with closed-cell foam insulation in one flexible, self-adhesive roll. It is designed to reduce panel vibration, road noise and heat transfer across large vehicle areas, helping create a quieter and more comfortable campervan, motorhome, car or work van.

Each roll measures 600mm wide × 5m long and covers approximately 3m², making it suitable for roofs, side panels, doors, wheel arches, floors, bulkheads and tailgates.

Why Choose DS Thermal 5mm?

• Combines sound deadening and thermal insulation in one product
• Premium butyl adhesive layer helps control panel vibration and resonance
• 5mm closed-cell foam helps reduce heat transfer
• Self-adhesive backing for quicker installation
• Flexible construction follows curved vehicle panels
• Waterproof and moisture resistant
• Fire tested to ISO 3795
• Operating temperature from -40°C to +100°C
• Suitable beneath carpet lining, plywood and interior trim
• Professional-quality solution for DIY and trade installers

Roll Size and Coverage

Suitable Applications

DS Thermal 5mm is suitable for campervans, motorhomes, cars, vans, 4x4s, commercial vehicles, horseboxes, caravans and suitable interior marine applications.

Common vehicle applications include VW Transporter, Ford Transit Custom, Renault Trafic, Vauxhall Vivaro, Mercedes Sprinter, VW Crafter, Citroën Relay, Peugeot Boxer and Fiat Ducato conversions.

Recommended Installation Areas

• Roof and side panels
• Rear doors and tailgates
• Sliding doors
• Wheel arches
• Floors and bulkheads
• Rear quarters and interior metal panels

How to Install

1. Remove loose dirt, grease and contamination from the painted metal surface.
2. Measure the area and cut the roll to the required shape.
3. Test-fit the material before removing the backing.
4. Peel away the release film gradually and press the product firmly into place.
5. Use a sound-deadening roller to remove trapped air and ensure full contact.
6. Seal adjoining edges where required with DeadSound aluminium tape.

For a layered campervan build, combine DS Thermal 5mm with DeadSound Thermal Fleece in larger cavities, then finish with 4-way stretch carpet lining applied using Trim Fix 120 adhesive.

Which DeadSound Product Should I Choose?

Frequently Asked Questions

How much area does one roll cover?
Each 600mm × 5m roll covers approximately 3m².

Does it reduce road noise?
Yes. The butyl layer helps control vibration and resonance in vehicle metal panels, while the foam layer adds further separation and insulation.

Will it help regulate vehicle temperature?
The 5mm closed-cell foam helps reduce heat transfer, supporting improved comfort through warmer and colder conditions.

Can I fit carpet lining over it?
Yes. It can be covered with suitable carpet lining, plywood panels or interior trim once securely installed.

Can it be fitted to a roof?
Yes. It is suitable for clean, dry painted interior roof panels. Ensure the surface is properly prepared and roll the product firmly into place.

Is it waterproof?
The closed-cell foam construction is waterproof and moisture resistant, but installation surfaces should still be clean and dry.

Is a roller required?
A roller is strongly recommended to achieve secure adhesion and consistent contact across the panel.

Can it replace deeper insulation?
It provides a useful 5mm thermal layer, but deeper wall and roof cavities may benefit from an additional product such as Thermal Fleece.

DS Thermal 5mm Sound Deadening & Insulation Roll is a practical all-in-one solution for treating larger vehicle panels. With 3m² coverage, self-adhesive installation and verified acoustic, thermal and fire-tested construction, it is ideal for creating a quieter, more comfortable vehicle interior.