ThermaWrap R5.0 by Tyvek

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Tyvek ThermaWrap by Dupont

DuPont Tyvek ThermaWrap(TM) R5.0 is a breathable alternative to other exterior insulation products, like XPS, EPS, and Polyisocyanurate foam exterior insulation. Moisture that may enter the wall cavity is able to escape back to the outside of the home, rather than accumulate in the wall. Rigid exterior foam insulations are not vapor-permeable or breathable, so moisture that gets behind the insulation is unable to dry effectively, potentially leading to mold and water damage. You can be confident that with Tyvek ThermaWrap R5.0, you are getting the optimal balance of air, water and thermal protection, as well as breathability, which is critical to high-performance walls and more energy efficient, durable homes 1 Roll of 4'x40' ThermaWrap R5.0, Can be installed shingle fashion, Breathable Air, Water and Thermal Protection in One Roll, Convenient, easy to handle 4' x 40' roll that allows for easier installation than rigid exterior insulation, It breathes, allowing any water in the wall to dry and the moisture vapor to escape to the outside.


  • Helps block air and infiltration & exfiltration
  • Improving energy efficiency
  • Coverage ~ 160 sq. ft.
  • Thickness ~ 1.5"


  • 4' x 40'
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