Sound- absorption or reflection

[Marv & Jean]

Boeing is using a foam to insulate their new Dreamliner called
Basotect. I don't know anything about it other that it is supposed to
have high sound absorption capacity and good thermal insulation
properties.

Marv
2004 M380
Ocean Shores, WA 98569

--- In WanderlodgeForum@yahoogroups.com, "Ernest Ekberg"
wrote:
>
> After installing many generator compartments with the new insulation,
I
> was wondering if there is a manufacturer that offers both.
> I insulated Bob Lawrences' generator compartment last December. He
> measured the db levels before and after and found that while the heat
> was reflected from the interior of the coach, the sound was also
> deflected to the outside. thus his db levels INCREASED to over 90.
> I know my with my coach, that I have been asked to park way downwind
as
> my generator is really loud. Maybe its the dogs I carry with me???
> But, if there is a product that will absorb that sound while
reflecting
> the heat, let's talk about it.
> Ernie-83PT40 in Texas, buying earplugs by the case~
>