[Healeys] Insulation Recommendations

[WILLIAM B LAWRENCE]

In fact that's how it is advertised. It's intended to be used as a damping
material for deadening resonance in flat panels for sound system
installations. for that it works well due to its density and resilience. The
density will actually reduce thermal resistance and reduce its usefulness as a
thermal insulator. Some types have a foil layer on one side which may work as
a thermal reflector and provide some benefit.
While any additional thickness will reduce the flow rate of heat, an effective
insulating material needs to have a low density and contain a large amount of
air in relation to its weight. Unfortunately that means it needs to be bulky
too.
Bill Lawrence

From: Warthodson at aol.com
Date: Fri, 25 Sep 2009 10:07:39 -0400
Subject: Re: [Healeys] Insulation Recommendations
To: ynotink at msn.com; healey3000bn7 at yahoo.com; healeys at autox.team.net








What we really need is the "R" or "U" value & the units of measure for
all the products being touted as thermal insulation. Also, the thickness of
the
product. I came to the same conclusion that Dynamat is more of a sound
deadener than a thermal insulation.
Gary Hodson


In a message dated 9/24/2009 9:38:37 P.M. Central Daylight Time,
ynotink at msn.com writes:
Dynamat
  is useful as a sound deadener, not so much for thermal insulation. I
got
  some stuff from a local upholstery
shop.