Groundsheet advice for Borah Gear Ultralight argon bivy

I read in another post that Mylar space blankets are not as slippery as polycro, and make a good ground sheet.

The least slippery option I’ve found is the tent floor directly on the ground.  Pretty sure it’s the lightest too!  :^)

Definitely not polycyro. It’s ~237X more slippery than tyvek in my testing. It’s like a slip-n-slide covered in Crisco.

With a 30D floor, +1 to no ground sheet.

But if you must, try putting a few dabs of silicone sealant on the underside of your bivy and letting it dry.  That’ll give you a few grippy spots to keep you from slipping on any ground sheet.  Spread it thin – shouldn’t take much.

+1 on no groundsheet. Just about anything will slide, the bivy isn’t crazy expensive, and as long as you’re careful about site selection, it will be lighter (obviously), and should last for a while.

<p style=”padding-left: 30px; text-align: left;”>I was considering the silicone dots. As for not using a groundsheet, I just get paranoid about my air pad.</p>
<p style=”text-align: left; padding-left: 30px;”>Anyone with experience using the SOL survival blanket? Supposed to be a bit more durable than space blankets and not as noisy.</p>

I agree with no groundsheet almost all the time.

The only time I would use a polycryo groundsheet is if the ground is really mucky… I accidentally discovered that polycryo isn’t nearly as slippery when it is moist.

Otherwise, yes, make sure your site is very, very flat! Much easier to do when it’s bivy only.

This works well to prevent sliding/provide some protection for an air pad and it weighs about 2.5 ounces. It can be cut shorter, too, if saving those fractions of an ounce are important to you.

https://www.gossamergear.com/products/thinlight-foam-pad