Thumbtacks with a blanket or tarp works well. When taken down you don't have to worry about any repairs.
-Funk
hmmm this seems like it could make the most sense. i could do that in 2 seconds. will the tacks stay in if i tack it to the drywall? i just dont know if there meant to go in wood or not
you don't want to glue or tape anything to the wall bro. period. staple a peice of cardboard to the wall and then duct tape it. then staple over the uct tape. if it falls down, you won't have to worry about cleanup. you'll have to worry about your new cell mate!. I recommended
Reflectics because it is highly reflective and is insulation that easily cuts to size, is 1/4"thick and comes by the foot.. it also is a FLIR deterrent...