Tyvek is a brand of flashspun high-density polyethylene fibers, a synthetic material; the name is a registered trademark of [DuPont](http://www.dupont.co.uk/). The material is very strong; it is difficult to tear but can easily be cut with scissors or a knife. Water vapor can pass through Tyvek, but ...
Has anyone practical experience with the light, soft version of Tyvek used as footprint / groundsheet or tent bottom? I like the material, used it once so far as a ground sheet (footpint) on grass ...
Tyvek is labeled as "water resistant" and not "water proof", but I'd really love to know how much is the fabric resistant to water in practice. Some people built tarps or even tents out of it, but I ...
I'd like to get some Tyvek maps, both topo maps and regular street maps of a few U.S. cities. Where can I get these?
Tyvek generally comes in 4' and 5' wide sheets. To make a suitable tarp, footprint, groundcloth, etc. I will need to sew together a couple of sheets. How do I seam seal the Tyvek to prevent leaking ...
When buying Tyvek online, there appear to be a myriad of options and numbers. Which numbers are suitable for making a tent footprint? Known numbers: 1443R, 1622E, 10G, 10GX, 1460, RV, 14M... (may ...