In the early 2000s huber engineered woods set out to develop an innovative approach to building envelopes.
Zip roof different than sheathing.
Zip system roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away.
Zip sheathing can provide a very tight weatherproof shell in one step.
Zip sheathing is a pretty hot topic with some differing opinions.
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.
This can create a path for water entry into the structure through wrinkles or improperly applied tape.
But the tape must be applied with care.
Throughout history home construction has been shaped by two forces.
A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather.
Sheathing panels are butted and taped creating a reverse lap.
The exceptions are where the local building code or roof covering manufacturers require a membrane type underlayment.
Huber engineered woods the manufacturer of the zip system roof and wall sheathing is now offering water resistant treated osb in its zip wall system designed to replace the vapor permeable water resistant house wrap barrier.
Taped zip panels qualify as roof underlayment in most cases.
One that offered durable structural performance combined with moisture and air protection in an easy to install sheathing system.
This joint is then covered with the seam tape.
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The sheathing boards are butted together with a 1 8 inch gap between panels.
Zip system tape installs 40 faster than housewrap zip system sheathing and tape 200 years of building sheathing technology this old house.
On center the true 1 2 in thick zip system roof panels don t require the use of h clips to stiffen the sheathing.
The zip system is a structural sheathing intended for walls and roofs with an osb base and wrb weather resistive membrane which is basically a mesh that is attached to an osb sheathing panel with a paint applied.