Articles tagged ponding water. Insights and tips from Sellers Roofing — Saint Paul’s union-built, GAF-certified roofing contractor. Family-owned since 2017.
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,…
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,…
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),…
Electronic leak detection finds holes in a roofing membrane by using a controlled electrical field. When there’s a membrane breach, electricity follows the path of least resistance, often through moisture, to the conductive deck or a grounded return line. The technician tracks that signal and marks the exact leak location, so repairs target the true…
After harsh Minnesota winters that batter roofing materials with heavy snow and ice, focus your spring roof inspection on vulnerable spots like drains and scuppers, seams and flashing, roof edges, and rooftop penetrations (HVAC curbs, vents, skylights). Once the snow melts, check for ponding water, split sealant, loose coping, punctures from snow removal, and new…
You can get a solid roof pitch measurement from the ground by measuring the roof angle with a phone inclinometer (aimed along the rake edge) or by using simple “similar triangles” math with a level, tape, and two ground measurements. Both methods give an estimate that’s good for planning repairs, drainage fixes, and contractor quotes….
After a storm, you usually need gutter replacement when the system can’t hold slope, keep seams tight, or move water away from the building, even after cleaning and minor repairs. Look for sagging gutters, split seams, pulled fasteners, bent downspouts, and overflow marks. If water is causing water damage by hitting walls or pooling at…
Successful budgeting for a commercial roof starts with three numbers: your roof area (square feet), your likely system type, and a realistic contingency for hidden damage. Build a rough range first, then tighten it with scope decisions (tear-off, insulation, code), the best weather window, and a funding plan that matches your capital cycle, so the…
A commercial roof maintenance plan template is a core part of preventative maintenance for property managers. It is a written, repeatable schedule that tells your team what to inspect, when to inspect it, how to document findings, and when to call a roofer. For most properties, it includes spring and fall inspections, post-storm checks, drain…
A commercial roof coating in Minnesota can either buy you 5–15 more years — or cost you twice. The difference isn’t the product. It’s the condition of the roof underneath. If the existing system is dry, structurally sound, and nearing the end of its service life (but not failing), a coating can seal small defects,…
Commercial roof leaks are usually coming from one of a few repeat spots: seams, flashings at penetrations, drains, or edge terminations. Start inside by mapping the stain, then work upslope on the roof and inspect the most likely entry points for your membrane type (TPO welds, EPDM shrinkage, or modified bitumen laps and splits). Confirm…
Roof penetrations on flat roofs leak because they interrupt the roof’s roofing membrane and then get stressed by movement, weather, and standing water. HVAC curbs, vents, and pipes fail most often at flashing seams, corners, and sealant lines. You prevent leaks by using the right flashing details, keeping water from ponding at penetrations, and inspecting…
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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.