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South Carolina · Local pricing guide

Flat Roof Replacement Cost in Florence, South Carolina

Typical installed range — flat & low-slope
$4,300 – $14,500

A flat roof replacement in Florence typically runs $4,300 – $14,500 installed — about $5 – $10 per sq ft — depending on membrane and insulation package, tear-off included.

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Price reference · Reviewed June 2026

Flat roofing cost by membrane.

Installed prices for Florence flat and low-slope roofs. Most residential flat sections run 800–2,000 sq ft.

  • EPDM (rubber)
    Single-ply rubber membrane, decades of track record
    $4,300 – $10,500
  • TPO
    White reflective single-ply, widely installed
    $4,800 – $12,500
  • PVC
    Heat-welded seams, grease and chemical resistance
    $5,700 – $14,500
  • Modified bitumen
    Torch-down or self-adhered rolls
    $3,800 – $9,500
  • Insulation (polyiso)
    Code-required R-value on many re-roofs
    $950 – $3,800
  • Tear-off & disposal
    Old membrane and wet insulation off
    $750 – $2,400
  • Permits & inspection
    Varies by municipality
    $250 – $950

* Adjusted for Florence; a core sample tells whether the old insulation stays.

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Adjust the inputs below. The range updates live and is adjusted for Florence's labor market —-5% vs national avg.

Your estimate
$9,600–$17,500
for Florence, South Carolina · -5% vs national avg

Indicative range based on Florence-adjusted rates. Deck condition, flashing, and contractor overhead may shift the final invoice. Get written quotes from licensed roofing contractors before signing.

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Before you sign: the quote checklist

  • Get quotes from at least 3 licensed roofing contractors in Florence.
  • Make sure every quote itemizes tear-off, underlayment, flashing, and disposal.
  • Verify licensing and insurance before hiring — ask for certificates, not promises.
  • Ask about both the material warranty and the workmanship warranty — they differ.
The local picture

Flat Roof in Florence: what matters

Florence's humid subtropical climate and frequent thunderstorms take a toll on flat roofs. Many homes in the historic downtown district, with their older structures, still rely on built-up or modified bitumen roofs that eventually need replacement. The combination of intense UV exposure, heavy rain, and occasional hail from spring storms accelerates wear. Whether your home is in the Timrod Park area or a newer subdivision, understanding the local factors that affect replacement costs helps you plan. This guide covers what Florence homeowners should know about flat roof replacement, from material options to permitting requirements under South Carolina's building code.

Cost factors

Why Flat Roof Replacement Costs Vary in Florence

Several local factors influence the cost of replacing a flat roof in Florence. The climate—with high humidity, UV radiation, and occasional hailstorms—can limit material lifespan and affect labor schedules. Older homes in neighborhoods like the Florence Historic District may require additional structural work to meet current South Carolina building code. Labor availability in the Pee Dee region also plays a role; demand peaks after storm seasons. Disposal fees for old roofing materials vary by local landfill policies. Permit fees are set by the city's permitting office and depend on project scope. Each of these elements contributes to the final cost, making it important to get a detailed estimate tailored to your property.

Florence by the numbers

U.S. Census Bureau · ACS
92,513
Population
21,924
Homeowners
62% own
$174,059
Median home value
$58,496
Median income
1984
Median home built
≈ 42 yrs old
40,133
Housing units

21,924 homeowner households, median home built 1984 — a housing stock where many roofs are at or past their service life. Local labor sets the rate roofers charge in Florence.

Field notes

Common Flat Roof Problems in Florence That Lead to Replacement

  1. UV Degradation

    Florence's high UV index year-round causes flat roofing membranes to become brittle and crack over time, especially on older modified bitumen roofs.

  2. Ponding Water

    Heavy rainstorms common to the region can overwhelm flat roof drainage, leading to standing water that accelerates membrane deterioration and structural strain.

  3. Hail Damage

    Spring hail storms in the Pee Dee area can bruise or puncture flat roof membranes, creating leaks that often require full replacement if widespread.

  4. Algae and Moss Growth

    Humid conditions promote algae and moss on flat roofs, which retain moisture and degrade roofing materials over time, especially on shaded sections.

  5. Wind Uplift

    Thunderstorm winds can lift and tear flat roof edges, particularly on older roofs with loose flashing or deteriorated adhesion, leading to widespread failure.

The process

What to Expect During a Flat Roof Replacement in Florence

A typical flat roof replacement in Florence starts with a thorough inspection to assess the existing structure and identify any rot or damage. The contractor will then obtain the necessary permits from the city's permitting office, as required by South Carolina's building code. The old roofing is torn off, the deck is repaired or replaced, and a new membrane—such as TPO, EPDM, or modified bitumen—is installed. Flashing around vents and edges is replaced to ensure watertightness. A final inspection by local building officials ensures compliance with code. The process usually takes a few days, weather permitting.

Nearby coverage

Flat Roof pricing near Florence

Q&A

Flat Roof cost questions — Florence

How long does a flat roof last in Florence's climate?

In Florence, flat roofs typically last 15 to 25 years depending on material and maintenance. The humid climate and UV exposure can shorten lifespan, especially if ponding water or algae are not addressed. Regular inspections help identify issues early.

Do I need a permit for flat roof replacement in Florence?

Yes, a permit is required for roof replacement in Florence. Your contractor should handle the application with the city's permitting office. The process ensures the work meets South Carolina building code and includes a final inspection.

What is the ideal time of year to replace a flat roof in Florence?

Late spring and fall offer milder temperatures and lower humidity, making them ideal for roof work. Summer heat can affect adhesive curing, while winter cold may limit installation options. Plan around Florence's rainy season to avoid delays.

How do I choose a roofing contractor in Florence?

Look for a contractor licensed by the state of South Carolina, with experience in flat roof systems. Ask for references and verify insurance. Get multiple written estimates and review them carefully, focusing on materials and scope rather than price alone.

What factors affect flat roof replacement cost in Florence?

Cost depends on roof size, material choice (TPO, EPDM, modified bitumen), accessibility, and the condition of the existing structure. Local labor rates and permit fees also play a role. Removing multiple layers or repairing decking adds to the expense.

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