Ground sheet material

Guys, what are you using for ground sheets when using a fly to keep your mat, sleeping bag and gear dry?
Tent foot print, Tyvek, something else?


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I use the material from old school camping stretchers, its heavy duty but also lite.

Bit of tyvek from a friendly local builder is usually the go to I have heard.

Tyvek

I was just using one of those Warehouse blue tarps or even a it of black polythene.

the heavy duty black polythene from Mitre 10 done me for last well a lot of years light does the job

I just use a tent footprint. Does the trick just fine.

If weight/space is an issue I use the 3m secondary glazing window film (I did a 12 day bikepacking trip a few years ago just before Covid lockdown, it was then!). Its pretty tough, still using the same piece, probably had 10-12 nights of fly camping so far. 2.4m long, 1.2m wide, folds up to size of a hanky. Otherwise blue tarp, trimmed a bit (don't need the eyelets and reinforced edge, its cut to use as a footprint under our lightweight tent)

Black building plastic,the thicker stuff.

Used the cheap warehouse blue $10 light blue tarp, brilliant but heavy compared to the tyvek ground sheet.