I covered the entire floor, including engine cover and inside the rear hatch, with B-Quiet. I did not test at stages of the install and had no instrumentation anyway, but it’s quieter. 

Stephen

Mobile

> On Apr 13, 2021, at 12:54 PM, Bruce Todd <beeceetee@gmail.com> wrote:
> 
> Hi Eric -
> 
> I have a rubberized outdoor carpet that sits flat between the rear cushion
> and the hatch. It covers most of the steel area of the rear hatch and seems
> to work fairly well at reducing vibration noise and engine compartment
> sounds.  I often wonder if it adds any heat increase to the engine
> compartment.
> 
> The carpet can also be used for laying out in front of the sliding door
> when stopped and in the camping set-up.
> 
> Bruce
> 
>> On Tue, Apr 13, 2021 at 7:59 AM Eric Caron <ericcaron96@comcast.net> wrote:
>> 
>> Hi list,
>> 
>> Has anyone out there with the camper covered the hatch with beutel
>> adhesive sound proofing?  What was the result on vibration?
>> 
>> The other day I was looking at the engine hatch area contemplating sound
>> proofing when I took my fist and gently struck the lid.  I quickly realized
>> that if I did a Vanagon engine tempo it sounded as if my engine was
>> actually running. I always wondered why no matter what engine was in a
>> vanagon I heard something similar in the sound.  I now think it is all
>> those engine lids acting like a deep drum.
>> 
>> No matter what engine some part of the vibration will make that familiar
>> lid drum sound!
>> 
>> Except mine once I figure it out.
>> 
>> Still looking at the decoupled mass loaded vinyl but I have a lot to learn.
>> 
>> Eric Caron
>> 85 GL Auto
>> Boom, boom, boom, boom.
>> 
>> 
>> 
>> Eric
>>