No matter the product you’re installing, proper technique and a few useful hints help ensure the product performs well for years to come. As an integrated WRB system, LP WeatherLogic® Air & Water Barrier represents a premium solution for building professionals. The panels install like OSB, and when the joints are sealed with LP WeatherLogic Seam & Flashing Tape, the system helps seal against water intrusion to finish the job.
Taping across the panels of a wide, flat side of the house is fast and easy. But even seasoned pros can get tripped up on the finishing process when encountering other areas of the build, such as eaves, corners and wall penetrations. Let’s take a look at the best flashing tape techniques to achieve a good seal.
Flashing tape provides an additional safeguard against water and air intrusion when used as part of an integrated WRB system. LP WeatherLogic Seam & Flashing Tape is specifically designed to work with LP WeatherLogic panels to deliver consistent long-term protection. Certified to AAMA 711-13, the tape uses one of today’s highest quality adhesives and can withstand temperature cycling.
LP WeatherLogic Seam & Flashing Tape rolls are included with the panels and come in 3-3/4-inch and 6-inch widths. The wider flashing tape can be used for window flashing and is preferable for taping inside and outside corners.
Finding the best tape for a water barrier can help prevent water and air infiltration for your build. Construction Instruction, an independent building science group, conducted side-by-side testing with LP WeatherLogic panels and commodity-grade water-resistive barrier (WRB) over standard OSB sheathing.
A standard window was installed with LP WeatherLogic tape on the LP WeatherLogic panel side and window flashing tape on the standard WRB side. After simulating a 50-mph rainstorm for 15 minutes, the team found the commodity-grade housewrap allowed water to leak into the wall cavity while the side with LP WeatherLogic panels showed no signs of water intrusion. See the test in full here.
Ensuring a proper seal at any interface can be tricky, and those areas where walls and roofs intersect can be especially tough. Installing LP WeatherLogic tape correctly and making sure you have a good seal is critical. Always make sure you apply the tape using firm pressure with the squeegee to ensure proper adherence. Be sure to consult the complete LP WeatherLogic flashing tape installation instructions before beginning.
Taping inside corners can be tough, but with a bit of practice and these tips you’ll soon get the hang of it.
Here are instructions on the proper technique for taping outside corners:
You will likely encounter penetrations with either straight or curved sides. Here are the proper sealings for both of these common areas:
These unique applications require specific sealing techniques as well.
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