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Dodo Mat DEADN Hex is a 1.8mm self-adhesive butyl sound deadening mat with a Hex embossed aluminium top sheet, supplied as 20 sheets covering 1.8 sq.m. It is part of the Dodo Mat DEADN Hex range, designed to reduce rattles, vibration and road noise on car and van doors, floors, wheel arches, roof and side panels.
This listing is the 20-sheet pack. The Dodo Mat DEADN Hex is also available in 30 sheets and 50 sheets.
Key specifications
- Pack: 20 sheets, 375 x 250mm each
- Coverage: 1.8 sq.m / 20 sq.ft
- Thickness: 1.8mm
- Construction: high grade butyl with Hex embossed aluminium top sheet
- Temperature range: -40°C to +120°C, fire retardant
- Flammability: tested for vehicle interiors to ISO 3795:1989
- Water and oil resistant, peel and stick application
- Pack weight: 5kg
Make those panels as dead as a Dodo
Suitable for use on vehicle floors, doors, wheel arches, roof and side panels. Simply cut, peel and stick Dodo Mat DEADN Hex to the interior sheet metal to reduce unwanted vibrations and structural noise.
The high grade butyl compound delivers effective sound deadening and vibration control. Dodo's unique Hex embossing pattern maintains flexibility for easy cutting and installation, including on more complex curved surfaces, while minimising creases and folds for a neat finish.
Dodo Mat DEADN Hex offers a lower-weight solution for car and van owners wanting a quieter, smoother drive without adding unnecessary mass. The synthetic butyl core deadens panel vibration without excessive bulk.
For additional acoustic insulation, the Dodo Mat DEADN Hex pairs well with Dodo Mat DEAD-EZY Liner, a 5mm self-adhesive foam liner available in 5m and 10m rolls.
Explore the full range in Dodo Mat.
Specification
| Individual Sheet size | 375 x 250mm |
|---|---|
More specs
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What's Included
- 20 Sheet Dodo Mat DEADN
Dodo Mat
About the Dodo Mat DODDEADSHEET20
From our tech experts at CEN
The Dodo Mat DEADN Hex is a 1.8mm self-adhesive butyl sound deadening mat with a hex embossed aluminium top sheet. This 20-sheet pack covers 1.8 sq.m and is designed to reduce rattles, vibration and road noise on car and van doors, floors, wheel arches, roof and side panels. It is rated from -40°C to +120°C, fire retardant and tested to ISO 3795:1989.
Who it suits
This pack suits drivers targeting a couple of doors or a specific area in a car or van. For larger projects, the 30-sheet pack or 50-sheet pack offer more coverage.
Our tech experts advise
Each sheet measures 375 x 250mm; the pack weighs 5kg in total. The hex embossing keeps the material flexible, which helps when fitting to curved surfaces such as wheel arches. Clean the bare metal, cut the mat to shape, then peel and stick. For additional acoustic insulation, layer it with the Dodo Mat DEAD-EZY Liner 5m Roll.
Explore the full Dodo Mat range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Dodo Mat
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Frequently Asked Questions
Q: How much sound deadening do I need for my car?
A: As a guide, a pair of front doors takes around 1 to 1.5 square metres, and a full car between 4 and 6 square metres depending on coverage. The sheet coverage for this product is listed in the Specification tab.
Q: Where should I apply sound deadening first?
A: Doors give the biggest gain for both road noise and speaker performance, followed by the boot floor and wheel arches. Even a doors-only install noticeably tightens speaker bass.
Q: Is sound deadening difficult to fit myself?
A: It is one of the more DIY-friendly upgrades: panels are cut to shape, peeled and rolled firmly onto clean metal. A roller tool and panel removal tools make the job much easier, or CEN can carry out installation from our Nottingham premises.
Q: Will sound deadening improve my audio system?
A: Yes. Deadening the doors reduces panel resonance so speakers produce cleaner, tighter bass, and lowering road noise means you hear more detail at normal volumes.
Q: How much does a 20 sheet pack of Dodo Mat DEADN Hex cover?
A: The 20 sheets measure 375 x 250mm each, covering 1.8 sq.m (20 sq.ft) in total.
Q: How thick is Dodo Mat DEADN Hex?
A: It is 1.8mm thick, with a high grade butyl core and strong adhesive. The 20 sheet pack weighs 5kg.
Q: Is Dodo Mat DEADN Hex heat and water resistant?
A: Yes. It is fire retardant and heat resistant from -40°C to +120°C, and fully water and oil resistant.






























