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Top ZIP System Sheathing and Tape Installation Tips

Filed in Sponsored Content by on February 21, 2018 2 Comments

Seal seams and transitional details with ease using ZIP System sheathing and tape by following these tips.

With an integrated air and water-resistive barrier, ZIP System® sheathing and tape has revolutionized exterior wall assemblies by eliminating the need for traditional house wrap and incorporating a rigid air barrier.

Chris Clark, manager of product engineering for Huber Engineered Woods, shares his top installation tips for a tight building enclosure using ZIP System products:

fastenerEasy nail gun adjustments help avoid shiners and overdriven fasteners. If fasteners are countersunk into the sheathing, the head isn’t flush with the water-resistant barrier on the surface of the ZIP System panel.

Overdriven fasteners can result from air pressure inconsistencies in nail guns. Install a “flush-mount attachment” or “collar” at the end of the nail gun for an easy fix. This results in more consistent control over the distance between the nail and panel surface. Users can also lower the nail gun pressure or install an in-line pressure regulator.

Shiners, or nails missing studs, can result in reduced bracing action (the combined strength of the frame and panels to resist lateral force). To maintain the integrity of the built-in water-resistive membrane on ZIP System panels, drive shiners back out and seal them with ZIP System™ flashing tape outside or ZIP System liquid flash inside.

Roll the tape. The ZIP System tape roller has a feature that leaves a “Z” impression on the surface of the tape. The high-performance acrylic tape is pressure-activated, providing an easy quality check to make sure tape has been rolled.

Mind the details on corners and curves. When taping inside corners, use 3- to 4-foot pieces to tape the 90-degree angle where two panels meet.

inside corner

Hold the tape at both ends of the strip and pull it tightly so the tape curves through the center, forming a U-shape that fits easily into the corner. Using a plastic speed square, push the tape into the corner, then roll it with the ZIP System tape roller. ZIP System liquid flash is also great for inside corners.

Pay attention to outside corners when using ZIP System® R-sheathing, which includes a built-in layer of exterior rigid insulation, because one edge of the sheathing in an outside corner extends to cover the exposed end of the sheathing on the adjacent wall.

outside corner

Then, apply ZIP System flashing tape to seal the corner with at least one inch of surface contact with the panel surface on either side of the seam.

Get a tight seal around windows and doors, specifically T-joints or vertical seams above the window or door which are water-prone areas where many materials come together. Make sure fasteners are flush and use shingle-lap tape to make sure water sheds properly. For entry doors window sills and penetrations, use ZIP System™ stretch tape to protect the entire rough opening with minimal piecing of tape segments.

For more information and to see installation tips, visit YouTube.com/ZIPSystemSheathing.

Comments (2)

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  1. Richard says:

    Great tips – thanks. We are strongly considering switching to this system. How do you handle wrinkles in the tape? Or is the roller effective at getting rid of those?

    • Good question. Wrinkles in the tape are acceptable unless they create a leak path. Wrinkles that extend from the edge of the tape to a panel seam or other opening in the sheathing should be remediated. If you have a wrinkle like this, there are a few courses of action you can take. 1) Try to lift and replace the wrinkled area of tape. Then, reapply pressure to the tape using the ZIP System tape roller to make sure the tape is sealed. 2) If the tape is already adhered and difficult to remove, use the tape roller and apply as much pressure as needed to ensure the tape is secured to the panel, especially around the tape edges. This will flatten any air pockets and activate the tape adhesive to bond completely with the ZIP System panels.

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