Charleston, SC · Updated 2026

How Much Does Flat Roof Installation Cost in Charleston, SC?

Average flat roof installation costs in Charleston range from $11,594 to $15,686. Get a free, customized estimate below.

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Flat Roof Installation Cost Breakdown — Charleston, SC

ItemUnitQtyUnit PriceTotal
EPDM / TPO Membranesq ft1200$5.50$6600.00
Insulation Boardsq ft1200$2.80$3360.00
Flashing & Edge Detaillinear ft80$12.00$960.00
Labor (full install)hr32$85.00$2720.00
Estimated Total$13,640.00

* Prices are estimates based on Charleston market rates. Actual costs may vary based on project specifics.

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Line total$6,600

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Material line 4

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Frequently Asked Questions — Flat Roof Installation in Charleston

How much does flat roof installation cost in Charleston, SC?

The average cost for flat roof installation in Charleston, SC ranges from $11,594 to $15,686, depending on project scope, materials, and labor rates. Charleston costs are close to the national average.

How do I get a free flat roof installation estimate in Charleston?

Use Brixor's free online estimate generator above. Enter your project details, customize line items for your specific needs, and download a professional PDF estimate instantly.

What factors affect flat roof installation costs in Charleston?

Key factors include project size and complexity, material quality, labor rates in Charleston (SC), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.