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Bufftech Home Additions & ADU: The Fort Lauderdale Owner’s Guide
Bufftech home additions and ADU projects in Fort Lauderdale typically run $45,000 to $130,000 for the addition itself, with ADU construction landing between $90,000 and $220,000 depending on size, foundation work, and finish level. We install Bufftech-compatible framing, panels, and structural components same-day for smaller repair work, and we stock common Bufftech trim, panel, and fastener replacements on our trucks throughout Broward County. Most owners discover a problem when they notice a soft spot in a wall panel, water staining at a seam, or a door that suddenly won’t close square after a heavy Florida rain season.
You’re reading this because something on your Bufftech addition or ADU isn’t right. Maybe a panel buckled after the last hurricane watch, or the corner trim pulled loose and now the Florida humidity is getting where it shouldn’t. Either way, you want to know what it costs to fix and whether you can do it yourself before you call anybody.
Which Bufftech Models This Applies To

Bufftech manufactures vinyl and polymer wall panels, post-and-rail systems, and structural components used across their home addition and accessory dwelling unit product lines. The compatibility gotcha we see most often in Fort Lauderdale: Bufftech panels from different production years don’t always interlock cleanly with each other. If your addition was built in stages, or a previous owner patched a section with whatever was on sale, you’ll get a seam that pulls apart within a season or two. We always match the panel profile and locking channel, not just the color.
Your best move is to look for the stamped code on the inside face of any removable panel or the back side of the corner post. It’ll show a series number and a production date code. If you can’t find it, we can match the profile by measuring the tongue-and-groove spacing and the panel thickness with a caliper at the site. For OEM versus aftermarket: we use genuine Bufftech parts whenever the structural integrity of the wall or corner matters. For trim and decorative cap pieces, there are quality aftermarket equivalents that hold up just as well and save you real money. Ask us which is which before you spend.
We also stock compatible components for KraftMaid, Cambria, and Silestone installations, since many Fort Lauderdale ADUs combine those finishes with Bufftech structural panels.
Styles & brands we work with







Signs Your Bufftech Home Addition or ADU Is Failing
- Panels pulling away at the corner seams. This usually means the fasteners have worked loose in the Florida heat or the framing behind the panel has shifted. We see this a lot in Victoria Park additions built in the early 2000s where the original installer used the wrong fastener spacing.
- Water staining or mildew at the base of a wall. Bufftech panels shed water well, but if the bottom track wasn’t flashed correctly during the original install, heavy Fort Lauderdale rain pushes moisture up into the wall cavity. That’s a rot risk behind the panel, not just a cosmetic problem.
- A door or window that sticks only during the wet season. High humidity swells the subframe, which means the rough opening wasn’t sealed properly when the Bufftech panel system went in. You’ll fight this door every summer until the leak source is fixed.
- Faded, chalky, or brittle corner posts. South Florida UV is relentless. Bufftech vinyl has a lifespan, and once the surface starts chalking, the material is nearing the end of its weather resistance. Replacement is the fix, not paint.
- Cracking at the top plate or where the panel meets the roofline. This is often wind damage from a tropical storm event or improper expansion allowance during installation. Panels that can’t flex will crack at the weakest point, usually the top fastening row.
Replacement Cost & What’s Included

For a full Bufftech home addition in Fort Lauderdale, plan on $45,000 to $130,000. A complete ADU runs $90,000 to $220,000. For repair-level work, which is what most owners who land on this page actually need, here’s what you’re looking at:
- Single wall panel replacement with matching Bufftech profile: $350 to $900 installed.
- Corner post and trim replacement: $200 to $600 installed.
- Bottom track re-flashing and water intrusion repair: $400 to $1,200 installed.
- Full wall section rebuild including framing repair behind the panels: $2,500 to $8,000.
- Complete ADU or addition re-siding with Bufftech panels: $12,000 to $35,000 depending on square footage and access.
Every quote includes parts, labor, disposal of the old material, and our written price before any work starts. You get the number on paper, signed, before a single tool comes off the truck. The written guarantee covers all Bufftech part replacements for 365 days from the completion date. If something we installed fails within that year, we come back and make it right at no cost to you.
See the difference
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AfterDIY or Call Us?
Here’s the straight answer. You can safely inspect a Bufftech wall yourself: look for loose trim, water staining, gaps at the corners, and panels that have shifted out of the locking channel. That’s a good Saturday morning job with a flashlight and a notepad, and it helps us quote faster when you call.
What you shouldn’t do is pull panels off without knowing what’s behind them. Bufftech systems hide wiring, plumbing runs, and sometimes structural connections. Ripping into a wall without checking for electrical lines can hurt you or turn a $400 panel swap into a $4,000 repair. Also, working on a ladder against a two-story addition or ADU roofline is not a DIY job in Fort Lauderdale heat. We tell you what we found, what it takes to fix it, and what it will cost before we touch a thing. If you’ve already opened the wall and something looks wrong, stop and call (754) 354-3720. We’ll help you figure out if it’s urgent from a photo.
FAQs

Expect 20 to 30 years from Bufftech vinyl panels in South Florida, with corner posts and south-facing walls failing 5 to 10 years sooner due to constant UV exposure and salt air. Properly ventilated and flashed installations last longer. If your addition is 15 years old and showing chalky spots, start budgeting for phased replacement rather than waiting for cracks. Call (754) 354-3720 if you want us to assess what’s salvageable.
A punctured or cracked panel cannot be reliably repaired in a way that restores the weather barrier, so we replace the panel. Small scuffs and surface marks can sometimes be heat-blended, but if water can get behind the panel, replacement is the only fix that holds in Florida’s rainy season. We’ll tell you honestly if a repair is viable before quoting a replacement.
Most single-panel or trim replacements take 2 to 4 hours once we’re on site. If we find framing damage or water intrusion behind the panel, that extends the job to 1 to 3 days depending on what needs to be rebuilt. You’ll know the scope and the timeline before the work starts. Call (754) 354-3720 to schedule a look.
We stock common Bufftech trim profiles, corner posts, fasteners, and panel channels on our trucks for same-day installations across Fort Lauderdale. Less common panel colors and sizes are ordered from Bufftech and typically arrive within a week. If your color is discontinued, we’ll match the closest current profile and show you a sample before ordering.
Call Mason Remodeling Co Fort Lauderdale for Bufftech Parts and Repairs
If your Bufftech addition or ADU needs a part, an honest assessment, or a full repair quote, call (754) 354-3720. A live person answers, 24 hours a day, 7 days a week, whether it’s a Tuesday afternoon or 2 a.m. and you’re staring at a wall that’s suddenly wet. You’ll get a written price before work starts, you’ll know the name and see the photo of the technician coming to your door, and the work is guaranteed for 365 days. That’s how Isaac Pruett and the whole crew at Mason Remodeling Co Fort Lauderdale operate, and we’ve been doing it that way in Fort Lauderdale since 2004.
Written by Isaac Pruett, Owner, Mason Remodeling Co Fort Lauderdale at Mason Remodeling Co Fort Lauderdale, serving Fort Lauderdale and nearby areas.


