All the good qualities of cotton or canvas can be found in poly cotton tents.
Poly taffeta floor.
Polyurethane or pu coatings applied to polyester and nylon fabrics are more like a layer that sticks to the surface of the tent fabric.
A coating of say 1 000mm doesn t mean the coating is that.
But they don t have that information not at all.
Some polyester tents still use nylon for the floors with the explanation that it has higher tear strength.
Polyester taffeta is often put through a moire finish which gives the taffeta a wavy or rippled pattern which resembles the appearance of light through water.
But again on the ripstop canopies not the floors.
What is a polyurethane pu coating.
Polyethylene is in fact a plastic foil.
Polyester is used for more expensive tents because it offers a higher degree of comfort and superior strength over time.
It creates a waterproof barrier is more affordable has greater breathability than silicone and has a surface which allows the application of tape on tent seams.
If those manufacturers were actually getting data to evaluate how much tear strength is need in a floor that would be a fine thing to say.
It s a unit of density based on the length and weight of a yarn or fiber.
7000 series aluminum frame is rugged durable anddesigned to shrug off any storm.
20d x 330t ripstop nylon 1200mm durashield polyurethane silicone denier thread count waterproof coating water repellent coating denier e g.
Denier is used to determine the thickness of the fibers in the tent fabric.
Essentially a poly cotton fabric is a cotton fabric with some polyester weaved into it.
Have seen other manufacturers products also with the poly and silicone coatings.
68d 185t polyester taffeta.
Integrated full coverage fly can be rolled back for fair weather stargazing.
For myself i think silicone is great for floor bottoms and so posted my reasons on myog 8 25 10.
Lamination is the characteristic of certain materials to be cast in layers.
Polyethylene is used for cheap.
Simple two pole tunnel design sets up in seconds.
They have some of the bad points too such as cost weight and maintenance but the polyester in the weave makes.
All tents have polyurethane coating on the floor and waterproof fly and it s the coating that keeps you dry not the fabric itself.
Taffeta is used in evening dresses ribbons couture fashion chiffon georgette umbrellas and in the linings of academic hoods.
If you search enough though you might find a product with such a two sided coating used on a taffeta floor.