What are tent footprints made of?
Likewise, are footprints necessary for tents?
Tent footprints are certainly not necessary, but they can help extend the life of your tent. If you have an ultralight tent with a low denier floor, it might be worth it to shell out the extra dollars for a footprint or to make your own.
In this way, what can I use as a tent footprint?
Tent Footprints Are Heavy The two most popular ultralight groundsheets are made using an industrial plastic called Polycryo (sold by Gossamer Gear) and Tyvek. Window wrap plastic insulation makes a great tent footprint substitute.
You do not have to have a tarp under your tent but it is highly recommended. Having a tarp under your tent can prevent holes and tear from appearing on the bottom of the tent as well as prevent moisture from the ground from soaking into your tent.