Cool idea on the refletix for the floor of a tent. I assume you just buy a roll of the widest stuff along with a roll of the refletix tape and then cut to suit? Do you put yours under the tent as a footprint or inside? I'm not really familiar with reflectix but I don't assume it is very heavy either and it would add a little padding. Does it end up being too bulky to backpack with?
That's a pretty cool idea. Can you elaborate on or estimate the "recipe". Are you saying you took seam sealer and watered it down with mineral spirits and then painted it on? It seams (no pun intended) like seam sealer is already watered down enough. When you said "seam sealer" did you mean "aqua seal?"