Because no binders are used to hold Tyvek® together, tiny perforations remain in which allow water vapor to permeate the material while preventing water and other liquids from entering, making Tyvek® highly breathable. Barrier protection Tyvek® is made up of continuous fibers that provide ...
durable sheet products that are stronger than paper and more cost-effective and versatile than fabrics. Since Tyvek®was initially discovered in 1955, DuPont has been a recognized global leader in selective barrier technology. Lightweight and durable...
Underlayment or weather resistive barrier (WRB)is installed between the siding and the sheathing. This can be tar paper or a house wrap such as HardieWrap® or Tyvek HomeWrap®. HardieWrap® is great for keeping water out and at the same time letting water vapor escape from the house...
or fiberglass. The fiberglass baffles worked to a degree or an R value of around 20 to 35, at the very most. With new homes, the tyvek wrapping product, along with cellulose insulation, increased this R value to around 50 to 60. This means that you may receive a wind buffet, ...