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 ...

learn more… | top users | synonyms

6
votes
1answer
1k views

What kind of Tyvek is suitable for footprint material

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 ...