Owens Corning Flashing Replacement Nationwide

Owens Corning Flashing Replacement: The Fort Lauderdale Owner’s Guide

Owens Corning flashing replacement in Fort Lauderdale typically runs $350 to $750 installed, depending on how many linear feet failed and whether the underlying decking is still sound. We stock Owens Corning-compatible flashing on our trucks and can usually complete the swap the same day we diagnose it. Most homeowners discover the problem the Florida way: a brown stain on the ceiling after a hard afternoon downpour, or granules collecting in the gutter below a valley that isn’t shedding water like it used to.

Call (754) 354-1224

Flashing is the metal or synthetic material that bridges the gaps where your roof changes direction: valleys, chimneys, vents, skylights, and where shingles meet walls. When it fails, water finds the seam. In Fort Lauderdale, where we get 60-plus inches of rain in a typical year plus August humidity that never lets anything fully dry, a compromised flashing joint becomes a slow leak within one season. The good news is that flashing replacement is one of the most straightforward, cost-effective repairs we do. It’s also one of the most commonly misdiagnosed parts on a roof, so let’s get specific about what you have and what it needs.

Which Owens Corning Models This Applies To

If you have Owens Corning shingles on your roof, your flashing was almost certainly installed as part of an Owens Corning roofing system. That matters because Owens Corning’s warranty documentation references specific flashing details and installation methods. The most common Owens Corning lines we see on Fort Lauderdale homes are Duration, Oakridge, and the discontinued Berkshire series. Regardless of the shingle line, the flashing itself is typically a separate component, either metal (aluminum, galvanized steel, or copper) or a polymer-modified product matched to the shingle color and profile.

Here’s the compatibility gotcha most homeowners don’t know: Owens Corning shingle warranties require flashing that meets minimum gauge and material standards. Using a too-thin, off-the-shelf roll flashing from a big-box store can technically void the shingle warranty if a leak develops at that flashing point. For that reason, we match replacement flashing to the original spec: 26-gauge galvanized steel or .019-inch aluminum for most residential applications in Fort Lauderdale, with copper as an upgrade for homeowners who want a 40-year lifespan and that classic patina look. If you can locate the shingle wrapper or a cut-off piece with the color code printed on it, our techs can confirm the exact Durant or Oakridge color match before we arrive. No wrapper? We match from a shingle sample pulled from a low-visibility area like a lower eave.

We also stock flashing parts compatible with GAF and CertainTeed systems, since repairs don’t always mean rewrapping the full component.

Signs Your Owens Corning Flashing Replacement Is Failing

• Water staining on ceilings or walls near a roofline change. Flashing failures show up as discoloration below valleys, chimneys, or dormers, usually after heavy rain. The stain may come and go with the weather since the leak only activates when water volume overwhelms the failing joint.
• Lifted, curled, or separated flashing at the junction. In Fort Lauderdale’s heat, metal flashing expands and contracts daily. Over a decade of thermal cycling, fasteners back out and the flashing lip begins to separate from the shingle course, leaving a visible gap you can see from the ground with binoculars.
• Rust streaks or white oxidation running down from flashing points. Galvanized flashing eventually gives its zinc coating up to the salt air we get in Fort Lauderdale, especially within a mile or two of the beach. Once you see rust staining the shingles below, the flashing is in active decay and the leak is a matter of months, not years.
• Granule loss concentrated at a valley or wall intersection. When flashing backs out or shifts, water hits the shingle edge at a sharp angle, accelerating granule loss in one specific spot. If your gutters show fine black or gray sand primarily below one valley, that’s the tell.
• Pest activity or daylight visible in the attic at roof intersections. A separated flashing joint is an entry point for roof rats, anoles, and the humid air that feeds mold. If you see light or droppings at a roof-wall junction in your attic, the flashing has opened up.

One parenthetical from years of roofing around Broward County: these symptoms rarely show up alone. By the time you see a stain, the flashing has been failing for a rainy season or two. Catch it early and you’re talking about a flashing swap. Wait until the drywall is soft and the decking is spongy and you’re into a much bigger repair.

Replacement Cost & What’s Included

For Owens Corning flashing replacement in Fort Lauderdale, here’s what a written quote from us covers, with real numbers.

Every price is written before we start, and we don’t add change orders unless we open the area and find structural damage we couldn’t see from the surface. If that happens, we stop and show you photos before proceeding. The labor includes removing the old flashing, replacing any failed fasteners, installing the new flashing with proper overlap and sealant at the terminations, and re-packing the shingle courses so the repair blends in. The 365-Day Done Right Promise applies to the flashing work: if it’s not right within a year, we make it right, free.

DIY or Call Us?

Flashing replacement is not a dangerous part to inspect. You can safely look at your flashing from the ground with binoculars or from a ladder if you’re comfortable on one. What you shouldn’t do is pull up shingles or attempt to re-seat flashing yourself. The reason is less about injury (though working on a pitched roof in Fort Lauderdale heat is exactly where ladder accidents happen) and more about the leak you won’t know you created until next rainy season. Incorrectly sealed flashing moves the leak, it doesn’t stop it. We’ve pulled apart DIY flashing repairs where the homeowner used roofing cement from a tube and sealed water in rather than out.

If you can see rust, separation, or daylight, call us at (754) 354-1224. We’ll send a technician whose name and photo you’ll have before they arrive, they’ll badge in with a photo ID, and you’ll get a written price before any work starts. That’s the Threshold Standard we operate under, and we don’t deviate from it.

FAQs

Get Your Flashing Replaced Without the Guesswork

If you’re seeing any of the signs above, or you just want a professional eye on your flashing before hurricane season, call Mercer Roofing Co Fort Lauderdale at (754) 354-1224. You’ll get a live person on the phone, a technician’s name and photo sent to you before arrival, and a written price before any work starts. A good roof shouldn’t be something you think about, that means we did our job right.

Written by Grant Whitlock, Owner, Mercer Roofing Co Fort Lauderdale at Mercer Roofing Co Fort Lauderdale, serving Fort Lauderdale and nearby areas.