sikadamp sound reducing sheet

Automotive

Our automotive upholstery shop in Seattle specializes in soundproofing cars and trucks. We've found SikaDamp© 630 (part 90934) sound dampening sheets are an effective way to muffle road noise and engine vibration. It won't elminate sounds, but it dramatically reduces them. This pic (left) shows before and after a SikaDamp treatment.

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To get a better idea how SikaDamp 630 works, try this experiment. Tap your knuckles on the outside of a car door panel. Next, place the palm of your other hand on the same door panel. Keeping your palm in place, tap the door like you did the first time. The difference in pitch and volume gives you an idea how a sheet of SikaDamp 630 works. Here are some examples of SikaDamp in action:

  • 2008 Outback

    A gasoline spill ruined the OEM soundproofing in this Subaru. Instead of replacing it, we installed SikaDamp 630 from the firewall to the trunk. The owner said the car was much quieter than before.

  • 67 outback with SikaDamp
  • 67 outback with SikaDamp
  • 67 outback with SikaDamp
    • 2014 F-150

      SikaDamp tamed the engine roar, excessive road noise and loud exhaust system of a 2014 F-150. The truck also felt "more solid" after we covered the side panels, roof and floor pan with sound dampening sheets.

    • F150 with SikaDamp
    • F150 with SikaDamp
    • F150 with SikaDamp
  • 1967 Baracuda

    A convertible is never going to be whisper-quiet, but SikaDamp 630 can make a difference. After carpeting the floor with SikaDamp 630, the owner reports a 20% reduction in road noise even with the top down.

  • 67 baracuda with SikaDamp
  • 67 baracuda with SikaDamp
  • 67 baracuda with SikaDamp

SikaDamp© 630 (part 90934) is a non-curing, light-weight, self-adhesive mastic used to reduce structure-borne vibration. It is processed with a paintable, aluminium constraining layer. SikaDamp 630's advanced formulation offers superior sound damping performance at a reduced weight over traditional mastic constrained-layer and asphaltic extensional dampers. It is odorless and non-staining. SikaDamp is manufactured in accordance with ISO 9001/14001 quality assurance system.