Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Jerith Home Additions & ADU: The Miami Owner’s Guide
We stock and install Jerith-compatible home addition and ADU components across Miami, with complete projects typically running $53,100 to $153,400 depending on square footage, foundation work, and finish level. Most owners discover a problem the hard way: a door that no longer latches after a slab shift, drywall cracking along a new roofline tie-in, or water staining where the original flashing was under-specified for Miami’s rainy season. If you’re seeing any of that, the failed part is usually a structural connector, flashing detail, or door system component, and it needs a match to your existing Jerith aluminum specifications, not a generic fix.
Key Takeaways
- Installed Jerith addition/ADU component repair or full build: $53,100 – $153,400 in Miami
- We spec Jerith-compatible extrusions, flashing, and door hardware to match original sections
- OEM Jerith parts available when the original warranty or spec calls for them; quality aftermarket equivalents where they save you money without cutting corners
- Lead times on Jerith door panels and frame components run 3 – 6 weeks from order; we hold common sections and hardware in Miami
- Isaac Pruett reads the site, gives you a written number before any work starts, and means it
Which Jerith Models This Applies To
Jerith’s aluminum fence and railing lines (the Estate, Regal, and Sentry series primarily) show up on Miami additions and ADUs as pool-deck railings, balcony guards, and exterior stair handrails. The gotcha most contractors miss: Jerith’s residential sections run 6-foot and 8-foot panel widths with a 1-5/8-inch top rail on Estate, while Regal uses a 2-inch top rail. If you mix those, the gate latch geometry goes wrong and you’ll fight it forever. Pull a panel and measure the top rail outside diameter before you order anything.
For the ADU side, Jerith door inserts and frame components are less common in Miami than their railing, but we do handle aluminum gate frames and hinge posts on additions built with Jerith estate-style perimeter fencing. If your label is worn off, photograph the section profile and measure the picket spacing; Jerith pickets are 3/4-inch square on 4-inch centers across most residential lines. We’ll match it. When the original is a Jerith OEM picket or gate frame, we quote Jerith direct. When it’s a hinge or a latch that failed, we often recommend a stainless aftermarket replacement rated for coastal salt air, which OEMs rarely spec for Miami.
Styles & brands we work with
Signs Your Jerith Home Additions & ADU Is Failing
- Gate drags or won’t latch at the top corner. The hinge post has pulled out of true because the footer was under-sized or the original concrete has spalled. In Miami’s wet-dry cycles, a post set in 18 inches of concrete will lean within eight to ten years. We reset it with a deeper pour and proper drainage.
- White chalky residue on aluminum pickets or rails. That’s the powder coat oxidizing under south-Florida UV and salt air. Once the coating breaches, pitting starts within one season. Touch-up paint buys you a year; a proper re-coat or section replacement buys you fifteen.
- Railing wobbles when you lean on it. More than a nuisance, this means the anchor bolts have loosened or corroded inside the footer. On a second-story balcony or pool deck, that’s a safety failure waiting for a body. This one gets inspected and fixed the same week, not next month.
- Rust streaks below gate hinges or latch hardware. The original hardware was zinc-plated, not stainless. Miami humidity kills zinc in five years. We swap in 316 stainless hinges and latches that won’t bleed rust down your fence line.
- Door panel sags and scrapes the threshold on an ADU entry. The door frame was set without a load-rated header or the slab has settled. In Coconut Grove and other older Miami neighborhoods, slab settlement under small ADU doorways is routine. The fix is rarely a hinge tightening; it’s a frame reset or header reinforcement.
See the difference
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AfterReplacement Cost & What’s Included
For a Jerith-compatible railing section repair or gate replacement on a Miami ADU, you’ll generally land between $4,130 and $12,980 installed. Full ADU construction, where Jerith railings and gates are part of a larger build, runs $106,200 to $259,600. A complete home addition falls in the $53,100 to $153,400 range. What drives the spread: linear feet of railing, whether we’re matching existing Jerith sections or replacing whole runs, whether the footer needs concrete work, and whether we’re pulling permits (we do, and they’re included in the written price).
Every quote includes parts, labor, debris haul-off, permit fees, and the written guarantee. No change orders unless you add scope. Our installation is covered for 365 days from completion; if anything we touched fails inside that year, we come back and make it right at no charge. That’s the 365-Day Done Right Promise, stated plainly.
DIY or Call Us?
You can safely replace a gate latch or a hinge pin if you’re moderately handy and the post is still solid. You cannot safely reset a leaning aluminum post, pour a footer, or re-anchor a second-story balcony rail. Those involve working at height, mixing concrete in a hole, and sometimes cutting into stucco or tile. The failures we get called to fix after a DIY attempt usually cost twice what the original repair would have because the work has to be torn out first.
If you’re in Miami and the railing moves when you lean on it, call us. Isaac Pruett has been working South Florida homes for over a decade, and he’ll tell you straight if it’s a $3,000 fix or a $13,000 rebuild. The estimate is free. The number is (850) 780-8123.
FAQs
Jerith residential aluminum sections typically hold up 15 to 20 years in Miami before powder coat failure and post lean demand replacement, with gates and latches falling in 5 to 8 years due to salt air and humidity. Coastal exposure near Biscayne Bay cuts that by about a third. Call (850) 780-8123 and we’ll assess what you have.
Yes, if the post is still structurally sound and the lean is under two degrees, we can reset it in an enlarged footer with proper drainage and re-anchor the section; if the aluminum is pitted or bent, replacement is cheaper and safer. We’ll show you the numbers for both before you decide. Estimates are free at (850) 780-8123.
A gate latch or hinge swap is done in under two hours; a full post reset and re-anchor takes one day; a complete railing run replacement on a Miami ADU runs two to three days including concrete cure time. We schedule it in writing and hit the date. Call (850) 780-8123 for a timeline on your project.
We keep common Jerith-compatible pickets, top rail sections, gate frames, stainless hinges, and latch sets in our Miami shop, so most repairs go same-week; custom panel sizes and specific OEM Jerith powder coat colors take 3 to 6 weeks from factory. We’ll tell you which path applies before you commit. Call (850) 780-8123 and we’ll check stock while you’re on the phone.
Mason Remodeling Co Miami also stocks and installs parts for KraftMaid, Cambria, and Silestone on the interior side, so if your ADU needs kitchen or bath work alongside the Jerith repair, one call covers it. We are an independent service provider, not affiliated with Jerith, and our price comes in writing before any work starts.
Tell me what you need done. I’ll tell you what it costs and when it’s finished, and I’ll mean both. Call (850) 780-8123 for your free estimate.
Written by Isaac Pruett, Owner, Mason Remodeling Co Miami at Mason Remodeling Co Miami, serving Miami and nearby areas.
