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Is It Really Water Tight?

Let’s be honest. Building owners expect that their structure will be leak proof—they don’t consider that an option or an upgrade. Unfortunately, all systems may not provide equal protection. There has been a lot of recent online discussion about sheathing panels that integrate a weather barrier, questioning whether they are truly leak proof. Rather than disparage other technologies, we wanted to step back and remind you why traditional, proven materials (like those from Fortifiber) can be trusted to keep a structure water tight.

  • Consistent product integrity: Products like WeatherSmart housewrap have consistent product integrity. They are shipped in roll form and, as a result, are not subject to damage from abrasion in-transit or on the jobsite.
  • Rugged composition: tensile strength of most housewraps means they won’t tear during installation or if a fastener is driven improperly.
  • Installation methods that work with gravity: shingle installation laps the housewrap higher up the wall over the course below it. The shingle install is also designed to let gravity pull moisture down, over that overlap and away from the structure, a proven technique used on roofs and walls for millennia.
  • Reality based: Actual installation practices in the Field are never as perfect as those in a lab. While a traditional system like one from Fortifiber requires attention to fundamentals, it does not require extreme precision to within 3 millimeters, or flawless seam taping to keep moisture out.

The versatile system of weather-resistive barriers, flashings and sealants that Fortifiber offers has stood the test of time and has been proven on millions of structures. All that, covered by a 15 year material + labor warranty. Why take a chance?

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