How Thick Should A Tent Footprint Be?

How Thick Should A Tent Footprint Be? How thick should a footprint be? Depending on how abrasive the terrain is, a heavy-duty, thick footprint will work better, but you should consider the extra weight before going for it. The thickness ranges between 0.5 millimeters for the lightweight designs, to 1.8 millimeters for the heavy-duty models.