Many dealers have told us that FortiSeal is a great product like nothing else on the market. (For those of you that aren’t familiar with this product, it is a one piece pre-cut polyolefin flashing that fits neatly over pipes. It easily integrates with the weather barrier for full protection.) FortiSeal is a much more […]
Many of you know that the standard for testing water holdout, ASTM D779, is also known as the boat test. We decided that we were not content with standard test, and actually built a boat using Super Jumbo Tex 60 Minute building paper. Not long ago, we launched it on Lake Tahoe. That boat would […]
In other news, building science expert extraordinaire, Joe Lstiburek, just published a paper on vapor permeance and the optimal level for a weather-resistive barrier. His research shows that Asphalt Saturated Kraft building paper (aka “Grade D”) has superior performance in the “sweet spot” of permeance. That sweet spot is a range of 10-20 perms. (For […]
Do you ever go to a restaurant where they have “secret” menu items only for those in the know? While we don’t have any “animal style” products, we do have a bit of an off-menu list of our own. Meet the big guns of FortiFlash® Butyl 30. While not an official product on our list […]
We sometimes get asked about the many tests we do and the codes we comply with. Rather than give you a scary encyclopedia of information, we thought we’d periodically share a brief summary of one of the more common inquiries. Today, here’s your briefing on ASTM D 226. This is a standard for #15 asphalt […]
Project of the Month: Dormitories at Texas A&M University at San Antonio Architect: Solomon, Cordwell and Buenz General Contractor: Davis Brothers Construction These drone’s eye photos show the scope of the new student housing at Texas A & M at San Antonio. The school’s growth demanded an expansion in housing, and an entire complex is […]
Now, it’s easier than ever to protect a beautiful flooring install from the ravages of moisture that can seep up from below. Our most popular high-performance vapor barrier—Moistop Ultra 10— is available in a small project size. Our 100 square foot roll is easy to use and minimizes waste. Of course, you can still purchase […]
Fortifiber’s line of Moistop Ultra vapor retarding barriers was featured in an article by Matt Power on Green Builder’s “Building Science.” Click here to read the article.