Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Ojus
A full roof replacement on an Ojus home typically runs between $14,000 and $28,000 depending on the roof system, the condition of the decking beneath, and whether Miami-Dade County’s HVHZ 25% rule requires a full fastening upgrade. Most Ojus re-roofs take four to seven working days from tear-off to final inspection. If you’re weighing whether to patch or replace, call (424) 766-4937 and we’ll walk you through what your specific roof actually needs, not what a brochure says it needs.
We know Ojus roofs because we work on them every week. The 1950s through 1970s CBS homes off West Dixie Highway and around Greynolds Park carry flat and low-slope systems that have been in the Florida sun for fifty-plus years. When our Roof Replacement team opens one up, what we find underneath usually determines the real scope of the job, which is why we always start with an inspection before we put a written number in front of you.
Why Birchbark Roofing Is Ojus’s Preferred Roof Replacement Company
Ojus homeowners keep calling us back because we do something most roofers in this market won’t: we write down exactly what a re-roof will cost before we touch anything, and we stand behind it with a 365-Day Done Right Promise. If the work isn’t right, we return and make it right. That guarantee is stamped on every job we do in Ojus, from small tear-offs to full replacements.
Our crews show up in uniform, background-checked, and wearing shoe covers at the door before they ever climb a ladder. We lay drop cloths through the hallway and around any interior access points, and before we leave, we photograph the completed clean-up so you can see what we did, even if you were at work all day. Families with kids and pets live in these Ojus homes, and we treat the inside of the house like it’s our own.
Erik Lindgren, who leads Birchbark Roofing, built our process around one question: what would a homeowner actually want to know before signing? The answer, in Ojus especially, is simple: what does the county require, what will it cost, and who is walking through my door. We answer all three in writing before a single shingle comes off.
Asphalt Shingle Roof Replacement in Ojus
Asphalt shingle roof replacement in Ojus usually costs between $14,000 and $22,000 for a standard single-story CBS home, with architectural shingles from GAF, Atlas, or CertainTeed at the upper end because they carry better wind ratings and longer warranties. If your original shingle roof predates the 1994 hurricane code updates, the decking fastening pattern almost certainly will not pass a Miami-Dade inspection, so budget for re-nailing or a full fastening upgrade as part of the scope.
Full Tear-Off to the Concrete Deck
Older Ojus homes often have asphalt shingles installed over original built-up roofing, which means the deck underneath is hiding decades of trapped moisture. The only way to know what you’re working with is a full tear-off. On a home near the 33180 ZIP, we pulled three layers of material before hitting concrete deck, and the homeowner had no idea the roof was carrying that much dead weight.
Post-Andrew Fastening Schedules
Miami-Dade is the only county in the continental U.S. designated a High Velocity Hurricane Zone, and that designation changes how shingles are nailed. Ojus inspectors check nail count, nail placement, and uplift resistance against the post-Andrew fastening schedule, not the looser patterns used in Broward or Palm Beach. A shingle roof that would pass code in Fort Lauderdale will fail an Ojus inspection if the fastening is wrong.
New Roof Installation in Ojus
New roof installation in Ojus, whether for an addition, a full rebuild, or a first-time roof on a new CBS structure, runs $18,000 to $32,000 depending on the roof footprint and the system specified. New construction gets one advantage over re-roofs: we can install the current HVHZ fastening pattern on fresh decking without the tear-off labor, which keeps the final number lower than a complex replacement on an old roof.
Roof Decking Replacement
When we replace or install decking on an Ojus job, code requires plywood or OSB rated for HVHZ exposure and fastened to the concrete or framing at a tighter interval than standard. We also check that any parapet walls meet current height and flashing requirements. Skipping decking now saves a few thousand dollars and guarantees an inspection failure later.
Flat Roofing and Low-Slope Systems
Many Ojus homes were built with flat or very low-slope roofs because that was the post-war style, and new construction on the same footprint often keeps the same profile. We install modified bitumen or single-ply systems with tapered insulation to direct water toward drains and scuppers. Standing water is the enemy on Ojus’s flat grades, and a properly sloped new roof handles our 60-plus inches of annual rain far better than a dead-flat pour.
Trusted Brands We Service in Ojus
We install and service roofing systems from Atlas, Boral, and GAF, and we’re familiar with the Miami-Dade Product Approved lines from each manufacturer. That matters in Ojus because county inspectors will reject materials that aren’t on the approved list, and we won’t spec anything that fails review. For Ojus customers, having brand-certified installers on your roof means warranty claims and technical support go through a channel that actually answers.
Common Roof Replacement Problems We See in Ojus Homes
- Ponding water on flat roofs: Ojus’s flat grades and heavy June-to-October rainfall create chronic standing water on low-slope roofs. The water accelerates membrane oxidation and finds its way into parapet-wall flashings within a few seasons.
- Delaminated built-up roofing membranes: The original gravel-and-tar systems on 1950s and 1960s CBS homes have long since separated from their decks. By the time a leak shows inside, the membrane underneath is typically beyond patching.
- Failed flashings at parapet walls: Parapet walls are common on Ojus post-war homes, and the flashing details at those transitions are where we find the most rot and water intrusion. The deck edge often needs new wood and new membrane before any top layer can go down.
- The HVHZ 25% rule conversion: A homeowner calls about one leaking corner, and by the time we assess the affected area, it exceeds one-quarter of the total roof. Miami-Dade code then requires a full roof upgrade, which is why so many Ojus patch calls end up as full replacements.
Pricing for Roof Replacement in Ojus, FL
Full roof replacement in Ojus runs from roughly $14,000 for a straightforward asphalt shingle re-roof on a small home up to $32,000 or more for a larger flat-roof project with decking replacement and a full HVHZ fastening upgrade. The biggest cost variables are the roof system you choose, the condition of the decking once we tear down to it, and whether the existing fastening pattern passes a Miami-Dade inspection. A gravel-and-tar built-up roof from 1968 will cost more to replace than a 2005 shingle roof because of the tear-off labor and deck repair. We always provide a written line-item price before any work begins, and we write allowances into the contract for what we might find under the surface. Call (424) 766-4937 and we’ll give you a real number in writing, not a guess over the phone.
We Also Serve Cities Near Ojus
Our crews handle Roof Replacement across northeastern Miami-Dade and into Broward, including Miami, Hialeah, Fort Lauderdale, and Pembroke Pines. If you’re in Ojus or any of those surrounding communities and need a roof assessment, the same written-price process applies.
Serving Ojus, FL - Our Local Coverage Area
We’re based in the Ojus area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roof Replacement in Ojus
A full tear-off is required in Ojus when the area you need repaired exceeds 25% of the total roof surface, which Miami-Dade County enforces through its HVHZ code. On older homes with delaminated built-up roofing, even a small leak often turns out to be connected to widespread membrane failure that can’t be patched safely because the underlying deck won’t hold new fastening. Call (424) 766-4937 and we’ll assess what your roof actually triggers under the 25% rule.
The 25% rule means Miami-Dade County will require you to bring the entire roof up to current HVHZ code if the scope of your repair touches more than one-quarter of the total roof area. That threshold is measured by roof square footage, not by how bad the leak is. What starts as a corner patch on an Ojus flat roof often converts to a full replacement once the affected area and the required fastening upgrades are counted together.
Yes, you need a permit, and because Ojus is unincorporated, Miami-Dade County’s building department issues and inspects it rather than a city office. County inspectors apply the HVHZ code strictly, including the post-Andrew fastening schedule and the Miami-Dade Product Approved materials requirement. We handle the permit paperwork and coordinate the inspections as part of every Ojus replacement.
Miami-Dade is the only county in the continental U.S. designated a High Velocity Hurricane Zone, so every roofing product must pass testing for uplift and wind-driven rain that no other county requires. If a material isn’t Miami-Dade Product Approved, an Ojus inspection will fail it outright. We only spec approved materials from Atlas, Boral, GAF, and the other brands we install, so you won’t get a surprise rejection at the end of the job.
We write a line-item allowance into the contract before we start, covering exactly what we expect to find under your Ojus roof and what it will cost if we find it. When the tear-off reveals rotted decking, failed parapet flashing, or a fastening pattern that won’t pass county inspection, we price the fix in writing and get your approval before we do the work. Nothing gets added to your final number that wasn’t already explained to you in dollars.
If your Ojus roof is past its design life or the county’s 25% rule has turned your patch job into a full replacement, call (424) 766-4937. We’ll inspect, explain what Miami-Dade requires, and hand you a written price before anyone lifts a shingle. Estimates are free, and a live person answers the phone day or night.
Written by Erik Lindgren, Owner at Birchbark Roofing, serving Ojus and the surrounding Miami-Dade communities.






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