Zip System Wall Sheathing Vs Tyvek

Roger s39 posted in general questions on august 21 2019 12 27pm hi all.

Zip system wall sheathing vs tyvek.

Get all the facts about proven tyvek weather barrier performance versus zip system wall sheathing. Construction of zip system wall sheathing is with oriented strand board osb structural panels with a resin impregnated kraft paper overlay. Assuming that you still want to use the sheathing as your primary air barrier for your walls but you can do the same with zip. Note that the sheathing must also be installed on all gable ends etc.

But the tape must be applied with care. The chief virtue of zip system sheathing is that it marries the water resistant barrier wrb to the sheathing eliminating the step of adding a separate layer of asphalt felt tyvek or any of the many house wrap products on the market. Zip systems wall sheathing is wood based sheathing with a water resistive overlay a type of material not designed to provide the optimal balance of air and water protection and breathability. For a superior weather barrier that s fast and dependable insist on dupont tyvek homewrap.

For a complete application a task that would be. Tyvek homewrap pros cons. Actually could be more time consuming and costly if the structural design does not call for fully sheathed exterior walls. Some folks prefer to be able to mechanically integrate the wrb with flashings.

Compounding this problem is the zip system has a one perm rating. Zip system vs tyvek. Proven in millions of installations through over 40 years of service in the field dupont tyvek homewrap delivers excellent performance and is as easy to install as zip system coated sheathing and tape. November 2 2016 in tech alert.