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Cover Home Additions & ADU: The Fort Lauderdale Owner’s Guide
A full home addition in Fort Lauderdale typically runs $45,000 to $130,000 installed, while an ADU (accessory dwelling unit) lands between $90,000 and $220,000 depending on square footage, foundation work, and finish level. We stock and install Cover-compatible components for home additions and ADU projects across Fort Lauderdale, and we can usually get a written quote in your hands within a few days of the site walk. Most owners call us after a problem shows up mid-project: a floor section that feels spongy, drywall that cracked along a new seam, or a door that suddenly won’t latch because the framing settled.
What you’re describing is rarely one failed part. It’s usually a system issue: undersized beams, improper tie-downs, or a slab that wasn’t poured to spec for what got built on top of it. In Fort Lauderdale, we deal with humidity and sandy soil that wreak havoc on additions done without proper vapor barriers and uplift anchors.
We’re an independent service provider, not affiliated with Cover. That said, we work on Cover home additions and ADUs regularly, and we know where their systems fail first in South Florida’s climate.
Which Cover Models This Applies To
Cover builds prefabricated and panelized home additions and backyard ADUs. The components we most often replace or repair fall into three groups: structural connection hardware, moisture barrier systems, and finish surfaces that fail after settling. If your unit has a label or serial plate, look for the model designation near the main electrical panel or on the underside of the floor system at the entry point. Cover’s residential line uses a mix of light-gauge steel and engineered wood; knowing which one you have matters before we spec any replacement part.
The big compatibility gotcha we see in Fort Lauderdale: Cover units shipped with standard coastal hardware sometimes lack the extra corrosion-resistant fasteners required by Florida Building Code within a mile of salt water. We check every connection point against your specific wind zone. If the original builder cut corners there, no amount of caulk fixes it. We replace with Simpson Strong-Tie stainless or equivalent, then document it for your permit file.
OEM parts from Cover work fine when the unit is under warranty and nothing about the site has changed. The problem is lead time: waiting on factory-order components can stall an ADU project for six to eight weeks. We stock quality aftermarket equivalents for most common Cover components on our trucks and at our Fort Lauderdale shop, which gets your addition back on schedule faster. We’ll tell you plainly when OEM is the smarter call.
Styles & brands we work with
Signs Your Cover Home Additions & ADU Is Failing
- Cracks radiating from window and door corners. This usually means differential settling: one section of the addition is dropping faster than the rest. In Fort Lauderdale’s sandy zones, we see this when slab prep skipped proper compaction or a stem wall wasn’t pinned correctly.
- Floor feels bouncy or soft near the exterior wall. That’s a moisture problem, not a structural one, most of the time. The rim joist or sill plate has wicked water from poor flashing, and the wood is losing strength. If you can push a screwdriver into it with hand pressure, it’s past saving.
- Musty smell that won’t leave even after cleaning. Vapor barrier failed or was never installed correctly under the addition. Fort Lauderdale’s humidity pushes moisture up through the slab, and once it’s in the flooring assembly, you’re not cleaning it out.
- Interior doors that stick only during summer months. That’s thermal expansion plus humidity swelling in the framing or door units. It can also mean the addition was framed without proper air gap at the header, so the structure has nowhere to move.
- Visible rust stains on anchor bolts or strapping under the unit. Coastal air eats standard hardware. We see this all over Fort Lauderdale, especially in Victoria Park and neighborhoods east of US-1. If the fasteners are rusting, the connection they provide is degrading too.
Replacement Cost & What’s Included
For a Cover home addition in Fort Lauderdale, the full installed range is $45,000 to $130,000. An ADU runs $90,000 to $220,000. A garage conversion, which is the most common path we see for Cover owners adding living space, lands between $30,000 and $80,000. What drives the spread: square footage, whether you’re on a crawl space or slab, how much electrical and plumbing the space needs, and what finish level you want. A 500-square-foot addition with budget finishes sits at the low end. A 400-square-foot ADU with a full kitchen, bath, and impact-rated windows climbs toward six figures fast.
Every quote we write in Fort Lauderdale includes the line items: demo if needed, framing corrections, sheathing, weather barrier, exterior finish, interior drywall, trim, paint, flooring, and all electrical and plumbing rough-in and trim-out. You get the price in writing before any work starts, and that’s the price you pay. No change orders for things we should have seen on the walk-through. We hold to the written number unless you ask us to add scope.
The work carries our 365-Day Done Right Promise: if it’s not right within a year of completion, we make it right at no cost to you.
See the difference
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After
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AfterDIY or Call Us?
You can safely inspect a few things on your own: look for visible rust on exposed hardware under the unit, check for standing water around the foundation after rain, and note where cracks are and whether they’re growing. Take photos with dates. That information helps us give you a faster, more accurate quote.
What you should not do is attempt to lift, shim, or re-level any section of a home addition or ADU yourself. These structures can weigh several tons. A hydraulic jack in the wrong place or a crib stack that’s not square will hurt someone or collapse the section you’re trying to fix. We’ve had to undo more than one homeowner-leveling attempt in Fort Lauderdale, and the repair always costs more than the original fix would have. If you suspect structural movement, call us at (754) 354-3720 and we’ll put eyes on it before you spend another weekend guessing.
Key Takeaways
- Home additions in Fort Lauderdale: $45,000 – $130,000 installed. ADUs: $90,000 – $220,000.
- We identify the right Cover-compatible part by model label, framing type, and wind-zone requirements.
- Moisture and corrosion are the leading causes of Cover addition failures in South Florida.
- Written price before any work starts, and a 365-day warranty on the completed job.
- Structural leveling and foundation work are not DIY projects. Call us.
FAQs
A properly built Cover addition on a properly prepped site should last 40 to 50 years with normal maintenance, though the hardware and moisture barriers will need attention far sooner. In Fort Lauderdale’s coastal air, expect to replace exterior fasteners and flashings every 10 to 15 years regardless of the original build quality. Salt air and humidity are relentless here, especially east of Federal Highway. Call (754) 354-3720 and we’ll tell you exactly what needs attention on your unit.
Most failing additions can be repaired, not rebuilt. We fix foundation settling, replace rotted sill plates, add missing uplift anchors, and correct moisture intrusion without tearing the whole structure down. The exceptions are when termites or prolonged water exposure have compromised more than 30% of the framing. Even then, section-by-section replacement usually beats a full teardown on cost. Get a free estimate by calling (754) 354-3720 and we’ll walk you through what’s salvageable.
Most component repairs on Cover additions and ADUs take one to three days once parts are on hand. Full re-leveling or foundation correction can run one to two weeks depending on scope. ADU gut-and-refinish jobs typically take six to ten weeks. We’ll give you a written timeline with the quote, and we’ve been doing this in Fort Lauderdale long enough to hit our dates. Call (754) 354-3720 to schedule a site walk and get your number.
Yes. We carry common connection hardware, moisture barrier materials, flashing, and trim profiles at our Fort Lauderdale shop, along with aftermarket equivalents for the Cover systems we see most. OEM Cover parts are special-order and typically take six to eight weeks. If your unit is under warranty, we’ll help you file the claim and handle the install. Call (754) 354-3720 and tell us what you need; we’ll check the shelf while you’re on the phone.
For home addition and ADU work on Cover units across Fort Lauderdale and nearby areas, call (754) 354-3720. We tell you what we found, what it takes to fix it, and what it will cost, before we touch a thing. The estimate is free.
Written by Isaac Pruett, Owner, Mason Remodeling Co Fort Lauderdale at Mason Remodeling Co Fort Lauderdale, serving Fort Lauderdale and nearby areas.
