Commercial Roofing in Volusia County, FL
Low-slope and steep-slope commercial roofing — TPO, modified bitumen, metal and coatings. Core samples before recommendations, sealed permit submittals, and a straight answer on replace versus recover. Licensed roofing and general contractors.
Commercial roofing decisions get made on different grounds than residential ones. Nobody is choosing a shingle colour. The questions are whether the existing system can be recovered or has to come off, what the code will force you to add once you open it, what the permit path actually requires in this county, and how to justify the number to an owner, a board or a tenant.
We are licensed as both a roofing contractor (CCC 1327602) and a general contractor (CGC 1509441), which matters on commercial work because roof projects routinely run into structural, drainage and rooftop-equipment scope that a roofing license alone does not cover.
Replace or Recover: the Code Decides More of This Than You Think
A recover is cheaper, faster and less disruptive to your tenants, so it is the right answer when it is available. It is not always available. Under FBC Existing Building 706.3, a new covering may not be installed without first removing all existing layers down to the deck where any of the following is true:
- The existing roof or roof covering is water-soaked, or has deteriorated to the point that it is not an adequate base for additional roofing
- The existing roof has two or more applications of any type of roof covering
- The existing covering is wood shake, slate, clay, cement or asbestos-cement tile
- Blisters exist anywhere in the roofing, unless they are cut or scraped open and the remaining materials secured down first
- The existing covering is to be used for attachment of the new system and the securement provisions of FBC 1504.1 cannot be met
The first one does the most damage to budgets, because wet insulation is invisible from the surface. A roof can look recoverable and be holding water through half its field. We take core samples and use moisture survey rather than guessing, because a recover over saturated insulation traps the water, adds dead load, and fails years early — and then you are paying for the tear-off you were trying to avoid, plus a second membrane.
One genuine exception worth knowing: FBC 1511.3 and FBC Existing Building 706.3 except “complete and separate roofing systems, such as standing-seam metal roof systems, that are designed to transmit the roof loads directly to the building’s structural system and that do not rely on existing roofs and roof coverings for support” from the removal requirement.
There is also a structural gate. FBC Existing Building 706.2: “Structural roof components shall be capable of supporting the roof-covering system and the material and equipment loads that will be encountered during installation of the system.” On an older building taking on a heavier assembly, that is a real question rather than a formality.
Not sure whether your roof can be recovered?
We core-sample and survey for moisture before recommending anything. You get the findings in writing either way.
Slope, Ponding and the 48-Hour Test
The design minimums for low-slope systems are all the same number, with one exception:
| System | Code section | Minimum design slope for drainage |
|---|---|---|
| Built-up roofing | 1507.10.1 | 0.25:12 (2%) — except coal-tar built-up, which is 0.125:12 (1%) |
| Modified bitumen | 1507.11.1 | 0.25:12 (2%) |
| Single-ply membrane (TPO, EPDM and similar) | 1507.12.1 | 0.25:12 (2%) |
| Sprayed polyurethane foam | 1507.14.1 | 0.25:12 (2%) |
But on a reroof you may not have to hit that number at all. FBC 1511.1 and FBC Existing Building 706.1 both except reroofing from the 2% minimum “for roofs that provide positive roof drainage” — and FBC 1502 defines positive roof drainage as drainage of the roof within 48 hours of precipitation, with allowance made for deflection of the deck under load.
So the operative question on your building is not “does it meet 2%” but “does it clear in 48 hours.” Water still standing on the third day is a problem worth solving with tapered insulation or added drainage; a shallow roof that drains is not. This distinction is frequently used to sell re-sloping that the code does not require.
Secondary Drainage Is Not Optional
If your parapet traps water when a primary drain blocks — and most do — you need overflow protection, sized on the assumption that the primary system has failed.
- Required where perimeter construction extends above the roof such that water is entrapped if the primary drains back up (FBC Plumbing 1108.1). Where primary and secondary drains are one assembly, the inlet and outlet for each must be independent.
- Separate discharge point from the primary, above grade, and somewhere occupants or maintenance staff would normally see it (1108.2). The point is that you find out a drain is blocked by seeing water come out of the wall, not by a ceiling collapse.
- Scuppers not less than 4 inches in opening height, with width tied to the circumference of the drain required for the area served (1108.3).
- Sized ignoring the primary system. “The flow through the primary system shall not be considered when sizing the secondary roof drain system” (1108.3), and Plumbing 1101.7 requires that in determining maximum ponding depth “all primary roof drainage means shall be assumed to be blocked.”
- Overflow scuppers sit not less than 2 inches nor more than 4 inches above the finished roof covering (FBC 1503.4.2.1).
What the Energy Code Adds on a Replacement
Volusia County is Climate Zone 2A (warm-humid) under FBC Energy Conservation Table C301.1. That matters because replacement and recover are treated differently:
| Scope | Energy code consequence |
|---|---|
| Roof replacement | Must comply with the insulation tables where the existing assembly is part of the building thermal envelope and contains insulation entirely above the roof deck (C503.2.1). For Climate Zone 2 that is R-25ci above deck (Table C402.1.3). |
| Roof recover | Listed in the C503.1 exception among alterations that need not meet new-construction requirements, provided building energy use is not increased. Air barriers are also not required for recover or replacement where the rest of the envelope is untouched. |
On a conditioned building with above-deck insulation, that single distinction can move a project budget materially, because meeting R-25ci may mean more insulation thickness — which in turn affects flashing heights, curb heights, door thresholds and edge details. It is much cheaper to know that during design than during installation.
Volusia County Commercial Permitting Is a Sealed Submittal
This is the step that most often surprises an owner who has only done residential work. Volusia County’s own commercial permit guidance lists installing a new roof among the activities requiring a building permit, and then sets a bar considerably higher than the residential slope-roof form:
Three duplicate sets of plans. “Plans will be required for all permit applications.” Drawings must be of professional grade and “will need to be reviewed for code requirements by a FL registered architect or engineer (requires raised/wet seal with original signature).”
Two honest caveats. First, the county publishes no commercial reroof-specific checklist, and no stated square-footage or dollar threshold above which sealed drawings are triggered for a reroof in particular — so whether a straightforward like-for-like recover needs a full sealed set is worth confirming directly with the Volusia County Permit Center (386-736-5929) rather than taking anyone’s word, including ours. Second, if your building sits inside a municipality, that city’s building department has jurisdiction instead of the county, and the requirements differ.
We handle the submittal, coordinate the engineer where one is required, and pull the permit under our license.
Systems We Install and Service
- TPO and single-ply membrane — mechanically attached or fully adhered, the default for most low-slope commercial work. TPO versus EPDM.
- Modified bitumen — multi-ply, strong at penetration-heavy roofs and high-traffic areas.
- Built-up roofing — including maintenance and repair of existing BUR assemblies.
- Silicone and elastomeric coatings — restoration where the substrate is sound and dry, which is a genuine cost saving when it applies and a waste of money when it does not. When coating actually works.
- Metal panel systems — standing seam and exposed fastener. Metal roofing.
- Steep-slope commercial — shingle and tile on apartments, townhome blocks and HOA-managed buildings.
- Drainage work — tapered insulation, drain retrofits, scuppers and overflow provisions.
- Maintenance programs — scheduled inspection and documented condition reporting, which is also what protects a warranty claim later. Flat roof maintenance.
Who We Work With
- Business and building owners — retail, office, warehouse, light industrial
- Property managers — multi-building portfolios, documented condition reporting, phased capital planning
- HOAs and condominium associations — board presentations and the documentation a board needs to justify the spend. Florida condominium associations also have structural integrity reserve study obligations that treat the roof as a mandatory reserve component.
- Landlords and tenants working out which of them actually owns the problem — see roof responsibility under a Florida commercial lease.
Where We Work
Commercial roofing throughout Volusia County and Central Florida — Port Orange, Daytona Beach, New Smyrna Beach, Ormond Beach, South Daytona, Edgewater, Holly Hill, Deltona, DeLand, DeBary and the unincorporated county.
Recent work: a full tear-off and shingle replacement on a commercial building in Ormond Beach — photographed before, dried in and finished. Not every commercial roof is flat, and that one shows what a steep-slope commercial re-roof actually looks like while the building stays in use.
Frequently Asked Questions
Can we recover our roof instead of tearing it off?
Sometimes, and the code is specific about when you cannot. FBC Existing Building 706.3 prohibits installing a new covering without removing everything down to the deck where the existing roof is water-soaked, where it already has two or more applications of any type of covering, where the existing covering is wood shake, slate, clay, cement or asbestos-cement tile, where blisters have not been opened and secured, or where the new system’s attachment cannot meet FBC 1504.1. Wet insulation is the one that catches most buildings — and it is why we core-sample rather than guess. A recover over saturated insulation traps the water, adds dead load, and fails early.
Our roof ponds water. Does a replacement have to be re-sloped to code?
Not necessarily, and this exception saves commercial owners a great deal of money. The general design minimum for built-up, modified bitumen, single-ply and sprayed foam roofs is one-quarter unit vertical in 12 horizontal (2%) for drainage. But FBC 1511.1 and FBC Existing Building 706.1 both carry this exception: reroofing “shall not be required to meet the minimum design slope requirement of one-quarter unit vertical in 12 units horizontal (2-percent slope) in Section 1507 for roofs that provide positive roof drainage.” FBC 1502 defines positive roof drainage as drainage of the roof within 48 hours of precipitation, accounting for deflection under load. So the test is whether it actually drains in 48 hours, not whether it meets the slope number. Standing water after two days is a real problem; a shallow roof that clears is not.
What are secondary roof drains and do we need them?
They are your overflow protection, and they are a code requirement rather than an upgrade. FBC Plumbing 1108.1 requires secondary (emergency overflow) roof drains or scuppers wherever the roof perimeter construction extends above the roof so that water would be trapped if the primary drains block. Three details worth knowing: the secondary system must discharge to a separate end point from the primary, above grade and somewhere occupants or maintenance staff would normally notice it (1108.2); scuppers must have an opening not less than 4 inches in height; and sizing must disregard the primary system entirely — 1108.3 says “the flow through the primary system shall not be considered,” and Plumbing 1101.7 requires the roof be designed assuming all primary drainage is blocked. If you have ever wondered why a blocked drain turns into a structural problem rather than a puddle, that is the arithmetic.
Will a roof replacement trigger the energy code?
It can, and this is one of the biggest cost differences between a replacement and a recover. Volusia County is Climate Zone 2A under FBC Energy Conservation Table C301.1. Section C503.2.1 says roof replacements must comply with the insulation tables “where the existing roof assembly is part of the building thermal envelope and contains insulation entirely above the roof deck.” For Zone 2, Table C402.1.3 requires R-25ci for insulation entirely above the deck. A roof recover is exempt — C503.1 lists roof recover among the alterations that need not meet new-construction requirements provided building energy use does not increase. So on a conditioned building with above-deck insulation, replacement may mean adding insulation thickness that recover would not.
Does Florida require a reflective or ‘cool’ roof on a commercial building?
On new construction in our climate zone, yes. On a reroof, the honest answer is that it is not clearly settled and you should confirm with the building official rather than trust anyone’s blanket statement, including ours. Section C402.3 requires low-slope roofs directly above cooled conditioned spaces in Climate Zones 1, 2 and 3 to meet Table C402.3 — a three-year aged solar reflectance of 0.55 with aged thermal emittance of 0.75, or a three-year aged solar reflectance index of 64. The complication is that C503.2 says new envelope assemblies forming part of an alteration shall comply with C402.1 through C402.5 (which includes C402.3), while C503.2.1 names only the insulation tables for roof replacement. We have found no Florida provision that resolves it, so we ask the jurisdiction on your specific project before we price it.
What wind uplift testing applies to a commercial roof system?
Under FBC 1504.3.1, built-up, modified bitumen, fully adhered or mechanically attached single-ply systems, metal panel systems on a solid deck and other membrane coverings must be tested to FM 4474, UL 580 or UL 1897. Ballasted low-slope single-ply is designed to ANSI/SPRI RP-4 instead (1504.4). Edge metal is its own requirement — ANSI/SPRI ES-1 test methods RE-1, RE-2 and RE-3 under 1504.5 — and gutters are tested to SPRI GT-1 (1504.5.1). Edge failure is a common initiator of membrane loss in a windstorm, so that is not a detail to leave to chance. And as with residential, FBC 1504.9 applies a 2:1 margin of safety to all wind-uplift resistance-test results unless the test standard sets its own.
How is commercial permitting different in Volusia County?
Substantially, and it is the part that surprises first-time commercial owners. Volusia County’s own commercial permit guide lists “installing a new roof” as an activity requiring a building permit, and states that three duplicate sets of plans are required, that “Plans will be required for all permit applications,” and that drawings must be of professional grade and “reviewed for code requirements by a FL registered architect or engineer (requires raised/wet seal with original signature).” That is a sealed submittal, not a one-page form. We will tell you honestly that the county publishes no commercial reroof-specific checklist or threshold, so on a straightforward like-for-like recover the practical requirement is worth confirming with the Permit Center (386-736-5929) before anyone quotes you a timeline. If your building is inside a municipality, that city’s building department has jurisdiction instead.
Can we pull the permit ourselves as the property owner?
On commercial property, only within narrow limits. Volusia County’s guidance restricts owner-builder commercial permitting to property “used strictly for the owner’s own use” where the fair market value of the work does not exceed $75,000. Beyond that, a licensed contractor pulls it. We pull permits under our own licenses — CCC 1327602 for roofing and CGC 1509441 as general contractor — which on commercial work matters, because roof projects frequently touch structural, drainage and rooftop equipment scope that sits outside a roofing license.
Who is responsible for the roof, us or our tenant?
Read the lease before you assume, because this is the single most expensive ambiguity in commercial leasing. A triple-net lease often puts maintenance on the tenant while leaving capital replacement with the landlord, and the line between “maintenance” and “replacement” is where the argument happens — especially when the code forces a full replacement on what began as a repair. We have written about this at length: who is responsible for the roof under a Florida commercial lease.
Do you work with HOAs and condominium associations?
Yes, including board presentations and the documentation a board needs to justify the spend to owners. Florida condominium associations also have structural integrity reserve study obligations that treat the roof as a mandatory reserve component, which changes how and when a roof replacement gets funded. Condominium roof reserves and SIRS in Florida.
Request a Commercial Roof Assessment
Core samples, moisture survey, written findings and a replace-or-recover recommendation you can take to a board. CCC 1327602 | CGC 1509441.
Related Reading
- Why commercial roofs leak at the AC unit — curbs, penetrations and parapets
- Commercial roof replacement in Ormond Beach — before, during and after photos
- Commercial roofing in Volusia County — for businesses and HOAs
- Flat roofing in Florida: TPO and EPDM
- TPO versus EPDM compared
- Silicone coatings and flat roof restoration
- Flat versus pitched roofs in Florida
- Who is responsible for the roof under a commercial lease
- Condominium roof reserves and SIRS
- Metal roofing systems