Articles tagged water stains. Insights and tips from Sellers Roofing — Saint Paul’s union-built, GAF-certified roofing contractor. Family-owned since 2017.
Yes. On many commercial roofs, water enters at one point, then travels along seams, insulation, metal deck flutes, or framing before it drips inside. That means a ceiling stain can appear several feet away, sometimes much farther, from the actual roof damage. The interior drip marks the exit point, not always the entry point. If…
Yes. In Minnesota, attic frost often gets mistaken for a roof leak because it melts and drips onto insulation, framing, and ceiling tiles during a thaw. The key difference is timing and pattern. Frost comes from indoor moisture freezing inside a cold attic, while a true roof leak usually tracks back to exterior damage, failed…
Yes. Wind can loosen, bend, lift, or tear off coping caps on commercial flat roofs, especially at parapet edges and corners. Once the metal edge opens, water can move behind the roof system, soak insulation, stain walls, and raise blow-off risk in the next storm. Treat wind-damaged coping caps as a functional roof problem, not…
Yes. A fishmouth seam on a TPO roof can leak when the membrane lifts, the weld never fully closed, or water tracks under the overlap. Small, dry wrinkles may stay harmless for a while, but any open seam, staining, or wet insulation turns it into a real leak risk. These defects matter because seams are…
Attic roof storm damage is easiest to spot when the clues are fresh. Look for new water trails, wet insulation, daylight through the roof deck, split wood, rusted fasteners, and stains that line up with a recent hail or wind event. If the space is unsafe, or there is no true attic, call a roofer…
Yes, roof nails backing out is a common issue after repeated freeze-thaw cycles in Minnesota. This phenomenon, often referred to as nail pops, occurs when moisture enters small gaps and freezes. The subsequent expansion and contraction of materials as temperatures fluctuate puts significant stress on the entire roofing assembly. This movement can lift asphalt shingles,…
Short answer: attic condensation usually shows up as light, widespread moisture or frost on many cold surfaces, often during very cold weather. A roof leak is usually more localized, leaves stains or a clear drip path, and gets worse after rain or snow melt. In an attic condensation roof leak problem, the pattern and timing…
Standing seam roof leak detection works by following the leak path, not just the water stain. A technician inspects seams, clips, penetrations, end laps, and roof transitions, then confirms hidden moisture with thermal scans, moisture meters, and selective test openings. Because water can move under metal panels, the drip inside rarely marks the true source….
You detect a built-up roof leak without core cuts by layering built-up roof leak detection methods, not by guessing. Start with interior leak mapping, inspect the roof surface, scan for trapped moisture with infrared, confirm wet areas with a moisture meter, and use electronic leak detection when the roof surface allows it. That usually narrows…
Short answer: You’ll suspect roof decking rot when your roof system shows ongoing moisture infiltration plus structural “softness.” Inside, watch for recurring ceiling stains, musty smells, or bubbling finishes. On the roof, look for ponding water, failing seams, or spongy areas that flex under safe, limited foot pressure. In Minnesota, freeze thaw cycles and Minnesota…
Usually, a yellow ceiling stain means moisture got in at some point, but it isn’t always an active roof leak. If the stain is growing, feels damp, or shows up after rain or snowmelt, treat it as a current leak until proven otherwise. If it’s dry, crisp-edged, and hasn’t changed in months, it may be…
Short answer: To detect a TPO roof leak at termination bars, start by tracing interior stains to the nearest roof edge or parapet. Then inspect the termination line for cracked sealant, loose fasteners, membrane shrinkage, and wall gaps. Confirm hidden moisture with infrared or electronic testing, because water often travels inside the roof assembly before…
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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.