Good idea. Ikea sells cork hot pads in the kitchen section which are thin and can be stacked. These work well too.
Yoga blocks for isolation
Just seen these at Target today . 100% cork . Big blocks . Two per component i would think . I know people swear by the Herbies isolation blocks .
http://www.target.com/p/gaiam-cork-brick/-/A-15679523?ref=tgt_adv_XS000000&AFID=google_pla_df&am...
http://www.target.com/p/gaiam-cork-brick/-/A-15679523?ref=tgt_adv_XS000000&AFID=google_pla_df&am...