For winter camping in the snow, I've been using an additional groundsheet which goes inside the tent on top of the existing groundsheet. It's an off-cut of Cromar Vent 3 building membrane which my sister gave me. It's brilliant and seems to insulate very well against the cold - it's actually comfortable to the touch, when the groundsheet underneath is freezing.
I've used it for the past two years and wouldn't camp in snow without it now.
Never heard of that fabric before. I've got some Tyvek, I use a a ground sheet protector. Builders use it and, amongst other things, festival wristbands are made from it. Very light and strong.
Yes, I tried Tyvek but found it very rustly/noisy and stiff and not very nice to use. The softer, supple Cromar stuff is much nicer and more comfortable, and warmer.
> Yes, I tried Tyvek but found it very rustly/noisy and stiff and not very nice to use. The softer, supple Cromar stuff is much nicer and more comfortable, and warmer.
I use tyvek but under the groundsheet. It's softened up a lot in use and is still in good nick after maybe 30 nights.
I use roofing membrane; you can buy it on eBay by the meter, very weatherproof so good as a groundsheet. I bought 3m worth and I was surprised how big it was, I just cut it to size then
Go to eBay and search - "Felt CROMAR VENT 3 Pro 165 gsm"
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