Nylon's an excellent tent fabric because it's so strong and durable. But it's lightweight, too. And it's
also easily waterproofed. However, if the nylon isn't waterproofed, it stays very breathable, which lets moisture (in the form of
water vapor) pass through. Nylon can easily be dyed, and it holds even the most vibrant colors well.
Nylon doesn't rot, either. So if you pack up a wet nylon tent for six months or so, the nylon itself will still be fully functional,
although the tent will undoubtedly be severely mildewed. Mildew can eat away at the waterproof coating, though, which will make it
useless.
Uncoated nylon is water-resistant. It's man-made and doesn't absorb water. But it's not waterproof, because water can pass through
gaps between the woven fibers. To prevent that, nylon material is coated in large spools with polyurethane. The polyurethane
coating seals out most water, making nylon tents weatherproof. It also effectively seals the material, greatly reducing the
breathability of the fabric. To make the inside of the tent more comfortable, most designs, especially dome style tents, have
large windows and large panels of untreated nylon to increase breathability. |