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It started the way most calls do. “Hey guys… we’ve got a roof leak.” Nothing unusual there. In our world, that’s about as common as morning coffee. But as we’ve learned over the years, what people see inside a building doesn’t always tell the full story of where the problem begins. When we arrived, everything pointed in the usual direction. There were ceiling tiles stained in all the right places, a few drips that had made themselves at home, and more than one concerned face looking up. We got up top, walked the area, checked seams, inspected penetrations, looked around the rooftop units…everything you’d expect. And truthfully? Nothing stood out. No obvious openings. No failed seams. No areas waving a red flag. That’s when things got interesting. Because water doesn’t follow gravity… it follows opportunity, so we started widening the investigation… not just at the roof, but at the building itself. And that’s where the real story began to unfold. Along the exterior walls, there were subtle signs—nothing dramatic, nothing you’d notice unless you were looking for it. Small cracks in the stucco. Areas where sealant had aged, shrunk, and quietly called it quits. To most people, it looked fine. But to water? It looked like an open invitation. Now, EIFS (Exterior Insulation and Finish System) might look like traditional stucco from the outside, but it’s actually a layered wall system. It typically includes a foam insulation board attached to the wall, a reinforcing mesh, base coat, and a finish coat that gives it that smooth, stucco-like appearance. When it’s installed correctly, it performs well and helps with energy efficiency. But when moisture finds a way in, it can get behind those layers and cause damage to the building. What was happening behind the scenes was something we see more often than you’d think. Moisture had found its way into the wall system. From there, it didn’t rush…it took its time. It moved along surfaces, followed framing, and worked its way downward until it finally reached a point where it could show itself inside. And when it did? It showed up in the ceiling… making it look like the roof had something to answer for. We’re always ready to help our customers fix a leak, but just as important as fixing the problem… is making sure we’re fixing the right one! In this case, the building may have tried to blame the roof, but the evidence told a different story.
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