Zip System Wall Sheathing Vs Tyvek

Zip sheathing can provide a very tight weatherproof shell in one step.

Zip system wall sheathing vs tyvek.

Some folks prefer to be able to mechanically integrate the wrb with flashings. Note that the sheathing must also be installed on all gable ends etc. For a superior weather barrier that s fast and dependable insist on dupont tyvek homewrap. Tyvek homewrap pros cons.

Roger s39 posted in general questions on august 21 2019 12 27pm hi all. Actually could be more time consuming and costly if the structural design does not call for fully sheathed exterior walls. For a complete application a task that would be. 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.

But the tape must be applied with care. Compounding this problem is the zip system has a one perm rating. Get all the facts about proven tyvek weather barrier performance versus zip system wall sheathing. November 2 2016 in tech alert.

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. 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. 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. Construction of zip system wall sheathing is with oriented strand board osb structural panels with a resin impregnated kraft paper overlay.