Zip Tape Window Flashing

Zip Tape Window Flashing – We will work with your project team to ensure the most cost-effective package, and work with your general contractor to ensure the windows are perfectly installed, with the best flashing tape, to provide a lifetime of reliable service.

Windows are known to be one of the most vulnerable areas when it comes to water and air leaks. Even if you’ve done it hundreds of times, flashing intricate turns and angles to achieve the ultimate watertight and energy efficient seal can be a challenge. Windows Systems Germany has a range of advanced flash solutions that include a variety of tapes and liquid flash materials. ZIP System® Sheathing and Tape is a sheathing innovation that replaces the need for house sheathing with a built-in waterproof barrier. After doing some research, we came across an expert named Ben Richardson. He says the beauty of using a ZIP System case is that the outer surface of the case is smooth and easy to flash. Below are Ben’s best practices for window flashing with ZIP System™ tape.

Zip Tape Window Flashing

Zip Tape Window Flashing

Traditionally, installing window sills requires some special origami skills. It can be tedious to apply individual tape segments to corners to ensure a continuously sealed surface. Ben recommends 6- or 10-inch ZIP System™ elastic for the job. This elastic band is a unique composite acrylic band that stretches in all directions. All proper application requires to easily flash the entire pan is a single piece of tape. Like all ZIP System straps, ZIP System™ stretch straps are pressure activated. For best adhesion, roll the tape with a J-roller for a tight bond. This will smooth out any creases that may have been created in the application and avoid “fish mouth” areas where water can creep in. Although it has an aggressive binding when finished, the unique stretch composition of ZIP System stretch tape allows it to stretch. and applied again.

How To Install A Leak Proof Window

Not only is the Zip System a great product, but the shingles are very easy. First install the window with butyl or silicone sealant, window manufacturers will know this very well. Then flash over the nail flange with Zip System® straight flash tape. Make sure the door jamb flashing overlaps the sill flashing at the bottom of the window to achieve the correct shingle pattern and

Finally, flash the window headers. ZIP System straight tape also comes in a 6-inch width that provides the best adhesive surface and makes it easy to properly seal at least 2 inches above where the window flashing ends. Make sure this head blinker also extends at least 1 inch horizontally beyond your jamb flashing on both sides. Again, rolling the tape with a J-roller helps to activate the strong acrylic bond and smooth out any creases where leakage may occur during application. Be sure to seal the interior with low-expansion foam. The adhesive in the pressure-sensitive ZIP System tape is only activated when pressure is applied to the entire surface, as this worker uses a J-roller.

Modern windows are nearly leak-proof, but over time a little moisture will seep into the seals on the glass or the seams in the frame. To prevent moisture damage, it is best practice to cover rough thresholds and doors before installing windows.

The flashing used on the Boardwalk Builders project is ZIP System Stretch Tape, which stretches in any direction, making it the perfect material for wrapping joints between frame and casing on rough openings. Acrylic-based stretch tape bonds to a variety of materials (including wood, concrete, stone, metal, glass and PVC) and can be used at temperatures as low as 0°F. For this job, the crew used 10-inch-wide stretch tape (3- and 6-inch-wide rolls are also available), covering the 2×6 sills with plenty left over to wrap around the casing.

How To Spot Proper Window Flashing Installation

The first step in this process is to fit the rough threshold with a piece of bevelled edge, placed furred side out to encourage drainage [1]. Next, the strip of continuous roll is cut to a length that allows the tape to span the width of the window sill and run over the jambs by at least 6 inches. A team of two people, one inside and one outside, work from the center of the window sill to the door jambs, press the tape into place by hand, stretch it into the casing at the corner where the window sill meets the door jambs, and finally use a flat edge tool or J-roller to apply pressure to activate the adhesive [2]. The job can be done by one person, but with wider tires and lots of windows, it’s often more efficient to use two people.

Place a beveled edge on the edge of the fur over the rough windowsill to encourage drainage of any moisture that seeps in behind the window.

A worker aligns the tape parallel to the window sill, making sure it covers most of the beveled edge and is centered from left to right in the opening [2A]. The release paper is split lengthwise, so the outside can be left in place until the inside is in place, but this team had no problem removing all the paper.

Zip Tape Window Flashing

Working from the center of the window sill towards the doors, gently press the tape against the window sill and to one corner with the fingers and palm, then to the other corner [2B].

Zipping Up The Walls

Press the tape into both the window sills and the posts at the corners with a flat edge tool—in this case, the edge of the quick square [2C]. Continue on the post, push the strap to position [2D].

With the tape firmly pressed against the windowsills and doors, the tape is stretched over the casing, making a watertight seal at the corner [2E].

The last step is to activate the sticker by pressing the tape with roller J [2F and opening photo].​

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