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Jaycar

Combining both the sound deadening properties of butyl material, and insulating properties of honeycomb foam, this is an easy single application solution for complete sound deadening and isolation that also offers thermal insulation. Consisting of a layer of our AX-3687 Butyl Based sound deadener and a 3.0mm thick layer of honeycomb foam (similar to our AX-3662), lining the cabin of your vehicle with these sound deadening sheets will give you drastically reduced road noise, less panel vibration and a cooler cabin temperature. Application is easy with the self adhesive backing and ability to mould to the shape of the panel. Ideal for door skins, head linings, door cards and under bonnet insulation. 

 

Storage Temperature:-10.0°C,100.0°C

Combination Butyl/Foam Super Sound Deadener

Cat. No: AX3689
3.8(4)
$46.95
Bulk Pricing
Buy More, Save More! Bulk pricing applies automatically in cart.
Qty 1-3
$46.95 / unit
Qty 4-9
$41.95 / unit
Best Value
Qty 10+
$36.95 / unit
30-Day Returns
Australian Stock
Warranty Included
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Customer Reviews

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Satisfied with the results

loggiasFebruary 2026

Great product! I can definitely see the difference. It's just too pricey for its size: W30cmH60cm

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Buy online elsewhere

Bed460January 2025

Over priced like most things at jaycar, much cheaper online and thicker quality.

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Perfect silence

86 GuruFebruary 2025

Incredible and great value Used this to do the boot, doors & qtr panels in a GR86 The difference is night and day, road noise is reduced by 90% I’ll bee getting more for the floors once I take out hr carpet Worth every cent

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Excellent product

ZippyJuly 2025

I bought this to insulate the fairings on my motorbike to reduce engine and road noise, great job

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