Try a search on "FAR 25.853 aircraft interior foam". Most of the
responses will be interior shops or places that cater to airlines, but
some other resources will pop up, too. FAR 25.853 is the regulation
that transport interior materials need to meet and it exceeds FAR
23.853, which was written for the general aviation aircraft. Nobody
advertises to meet Part 23, but they do for Part 25.

Airtex has a horrendous mark-up and while not as bad, Aircraft Spruce
& most others do, too. While Pyramid Trim (pyramidtrim.com) makes the
aircraft materials and are nice folks, they are strange to deal with
(constantly changing patterns and pulling products) and don't sell
retail. For a retail source on their products and all sorts of foam,
try calling Redrum Fabrics at 800-446-3925 in Richmond, VA.

Here's a surprise for the crowd working with their interiors. Most
naughahyde products (naughahyde.com) meet 25.853! They have a great
web-site and you'll be surprised how many textures, colors, and
patterns they now have. The site has a selector chart that shows
which materials comply with the FAR. Make sure to get an invoice that
shows the material meets the certification requirements.

For those wanting to work in leather, be aware that NOT all leather
meets the FAR. It turns out that leather from many sources has too
much oil. Search the BAC archive and there are sources for labs who
will provide test certs if you send them samples, though.

A lab I've not seen previously mentioned for you west coast guys is
Redbrooks Fire Lab (http://www.pyrogen.com/IAIfireLab.htm). John
Brooks is a font of knowledge about fire protection.

Bob
A&P, Aero Eng

--- In musketeermail@yahoogroups.com, "petsurgery" <petsurgery@y...>
wrote:
> Which soundproofing materials and techniques have you Beechers used?
>
> Thanks much!
>
> David
> Sierra
> N22PH




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