Articles tagged flat roof issues. Sellers Roofing installs and repairs commercial flat roof systems (TPO, EPDM, modified bitumen) across Saint Paul, MN — GAF certified, union crews (Local 96 Roofers).
Ponding water on a flat roof is rain or snowmelt, often referred to as “standing water”, that sits in low spots instead of draining away. In Minnesota, it becomes a real problem when it stays longer than 48 hours, keeps coming back after normal storms, or pools near seams, drains, and penetrations. A simple ruler…
Commercial TPO leak detection works by combining surface inspection with moisture-mapping tools that “see” what your eyes can’t. Pros look for seam and flashing failures, then use infrared thermography to locate wet insulation patterns and electronic leak detection to pinpoint the exact hole in the membrane. The goal is simple: find the true entry point,…
TPO hail splatter marks are subtle dark speckles left on thermoplastic polyolefin roofs after a hailstorm. Unlike dirt or foot‑traffic scuffs, these peppery gray or black dots don’t wash away easily. Knowing how to recognize TPO hail splatter marks helps property owners decide if their roof has been compromised and whether to bring in a…
Short answer: The first hidden roof leak signs in drywall are usually faint yellow or brown water stains on ceilings, paint that starts to bubble, and drywall that feels soft or swells near seams or fasteners. You may also notice musty odors before you see obvious dripping. In commercial spaces, these clues often appear after…
A flat roof parapet leak usually comes from one of three places: the roof membrane’s transition to the parapet wall, the metal coping on top, or a drainage opening that cuts through the parapet (like a scupper). To find it, start by tracing interior staining to the closest wall line, then inspect parapet flashings, terminations,…
A wind-driven roof leak usually enters on the windward side during wind-driven rain, then travels before it shows up inside. Identifying the source of a roof leak is the first step in proper roof maintenance for Minnesota property owners. To find it without climbing, document the wind direction, then take eight clear ground photos of…
Flat roof leak detection is essential when there’s no drips inside, as a flat roof can leak without leaving a single ceiling stain because water intrusion often travels sideways above the deck. To locate it, start on the roof, not indoors. Inspect drains, seams, flashing, and penetrations, then narrow the search with moisture mapping (infrared…
Confirm a TPO seam leak by matching indoor leak clues with non-destructive roof testing. Start with a tight visual inspection of seams and terminations, then use safe seam probing, infrared thermography to spot trapped moisture patterns, and low-voltage electronic leak detection (ELD) to pinpoint the breach location. When two methods agree at the same seam,…
Infrared thermography roof leaks” detection on TPO flat roofs uses a thermal imaging camera to spot temperature differences caused by trapped moisture under the membrane. Wet insulation heats and cools slower than dry areas, so the thermal imaging camera can “see” hidden damp zones during the right conditions. This non-invasive diagnostic testing guides targeted repairs…
The first roof leak signs in ceiling drywall are usually water stains, peeling paint, and drywall that feels soft or spongy. In commercial buildings, you might also notice musty odors, new hairline cracks, or a slight sag in a ceiling area. These early clues often appear before any active dripping starts. When This Applies This…
Electric field vector mapping (EFVM), a form of electronic leak detection, finds flat roof leaks by sending a low-voltage pulse through the waterproofing membrane and measuring how that electrical field moves across a damp surface. Water in the roof assembly acts like a pathway, so the “direction” of the signal points back to the breach….
TPO roof leak detection starts by tracing water inside the building, then checking the TPO membrane’s most common failure points, seams, penetrations, drains, edge metal, and rooftop equipment curbs. Because water can travel far on low-slope roofs, the interior drip spot often isn’t the roof entry point. Confirm the breach with targeted testing (not guesswork),…
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Sellers Roofing Company is your premier Saint Paul destination for expert commercial and residential roofing services, offering comprehensive solutions from storm damage restoration and repairs to new asphalt shingle installations, all with meticulous craftsmanship and an eye for enhancing your property’s safety and aesthetic.