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