On 01/11/2017 16:48, Fevric J. Glandules wrote:
Helping someone out with this... their back door has a panel in
the lower half which must be all of 2mm thick. I am thinking
to insulate this in some way but cannot decide on the best
material to use. As "not being ugly" is apparently a consideration.

Any thoughts?



UPVC, Timber or Aluminium ?.

If UPVC, then insulated panels are available but cost more than
a proper DG glass unit.