On Wed, 05 Oct 2005 19:50:31 GMT, fred wrote:

foil will only reflect heat where the transfer
mechanism is radiation, when in direct contact with any material, the heat
transfer mech will be conduction so it wont help at all.

Like the guy in the camping shop that said 'put some of that foil they
use for emergency blankets on top of your airbed and under your
sleeping bag to keep you warm ..." shakes head

All the best ..

T i m