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Boral Gutter Replacement: The Miami Owner’s Guide
We stock and install Boral-compatible gutter replacement parts throughout Miami, with most complete gutter runs running $18 to $32 per linear foot installed depending on profile, accessibility, and whether we’re matching existing Boral steel or aluminum. Most replacements we schedule are completed same-day once we’ve confirmed the profile and measured the run. The way Miami homeowners usually discover they need this: a sagging section pulls away from the fascia after a heavy afternoon storm, or they notice rust blooming at the seams where two Boral sections were joined years ago. The salt air along the Brickell corridor and in neighborhoods east of US-1 accelerates corrosion on gutter fasteners faster than anywhere else we work.
Which Boral Models This Applies To
Boral has produced several gutter and fascia profiles over the years, and matching the right replacement means knowing the difference between the original steel K-style profiles and the later aluminum and colorbond series. Most Miami homes built between the 1990s and mid-2015 feature Boral’s standard 5-inch K-style profile in either galvanized steel or early aluminum. The critical measurement is the top opening width, not the face height: a 5-inch box gutter and a 5-inch K-style are not interchangeable, even though they look close from the street.
If you still have a section with a visible label, the original Boral part number will start with a “BG” prefix for gutter, followed by the profile code. If the label is gone, we measure the top opening, the face height, and the lip profile on-site during the free estimate. There is no generic “one-size” aftermarket replacement that fits every Boral profile correctly. For Boral specifically, OEM replacement sections are preferred when matching existing color and profile continuity, but quality aftermarket equivalents in 26-gauge steel or .032 aluminum exist for the standard 5-inch K-style at roughly 30 percent lower material cost, and we’re happy to quote both options in writing before any work starts.
Styles & brands we work with






Signs Your Boral Gutter Replacement Is Failing
- Sagging or pulling at the hangers. The hidden hanger clips Boral used on many Miami installs corrode first, especially within three miles of the coast. When the gutter droops between brackets, water pools and the weight compounds the failure.
- Rust streaks on the gutter face or down the fascia. Original Boral steel gutters often rust at the exact spot where water sits longest, usually the low end near a downspout or an inside corner. If the rust has perforated, the section is done.
- Seam separation at joints. Miami’s heat and humidity cycles expand and contract gutter seams constantly. When the sealant dries out and cracks, you’ll see a steady drip line on the fascia board or staining on the wall below.
- Water overflowing the lip during normal rain. This can mean a clogged downspout, but if the gutter is clean and water still sheets over the front edge, the pitch has settled out of level, often due to failing hangers. No amount of caulk fixes that.
- Visible gaps between the gutter and fascia board. When the back of the gutter separates from the wood, it’s almost always the hidden hanger clips failing, not the gutter itself. Replacing just the section without addressing what holds it up means you’ll be replacing it again within a season.
See the difference
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AfterReplacement Cost & What’s Included
For Boral gutter replacement in Miami, budget $18 to $24 per linear foot for standard 5-inch K-style aluminum, and $24 to $32 per linear foot for steel, inside corners, or runs that require custom fabrication to match an existing Boral profile. An average single-story home with 120 linear feet of gutter typically lands between $2,200 and $3,800 fully installed. What drives the range: two-story access adds labor by way of ladder setup and safety equipment, custom profiles cost more than stock, and matching aged color means a color-match charge on some finishes.
Every quote we write includes the parts, the labor, the fasteners, the disposal of the old sections, and a written line-item breakdown before any work starts. The number on the page is the number on the invoice. All gutter replacement work carries our 365-Day Done Right Promise: if any section we install fails within a year, we come back and correct it at no charge, in writing, included with the job.
DIY or Call Us?
There’s an honest split here. What you can safely check from the ground or a step ladder: the pitch by looking for standing water, the joints for visible separation, and the hangers for rust using a mirror if you don’t want to climb. Cleaning out leaves and pointing a hose at a downspout to check flow is reasonable homeowner work.
Where DIY goes wrong: removing and rehanging gutter sections means working at height, often from a ladder against an uneven Miami yard, while holding a section, matching slope, and drilling new hangers. Misjudge the fall by one inch over thirty feet and you’ve built a swimming pool on your roofline. Misjudge the ladder and you’re in a hospital. If the sections are steel and rusted through, you’ll need a metal cutting tool and a safe way to lower the old sections down. That’s a job for a crew with proper ladder stabilizers and harnesses. Call us at (850) 318-3769 for a free estimate, and we’ll send a background-checked technician with a written proposal and exact pricing before any work starts.
FAQs
In Miami’s salt air and high humidity, original Boral steel gutters typically last 12 to 18 years before needing replacement, while the aluminum and colorbond profiles can reach 20 to 25 years if hangers are maintained. Coastal homes within a mile of the water lose roughly three to five years off the back end. Call (850) 318-3769 for a free inspection and we’ll tell you how much life is left, not how much we can invoice.
Small rust spots and minor seam separations can be patched and sealed for $150 to $400 depending on what we find. If the rust has perforated the metal or the seam has separated enough to leak consistently, a section replacement is the honest fix, because patching over failed structure just moves the leak down the run. Our estimate tells you which one applies to your situation, in writing, before you spend a dollar.
A typical single-story Boral gutter replacement on a standard Miami home takes four to six hours from setup to cleanup. Two-story runs or steepest side access add time, most often completed within one day either way.
Yes, our trucks carry standard 5-inch K-style aluminum and steel sections, hangers, corners, and downspout components, so most replacements are done in a single visit. If your home has a custom or older Boral profile requiring special fabrication, we measure on the first visit and return with the exact sections within a few days. We also stock gutter parts compatible with GAF, Owens Corning, and CertainTeed rainscreen and roofing systems for homes with mixed exterior products.
Written by Dylan Pace, Owner, Crestview Roofing Co Miami at Crestview Roofing Co Miami, serving Miami and nearby areas.