Doug..good link to the "back woodsman"..i'll have to do a search for more info on DG, i don't know about tents but in Korea back in 68 our 2 1/2 ton trucks had insulated covers that were put on during the winter.just puffy looking with plastic windows.i guess there was something between two layers of canvas.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.