Commercial roofing cost
How Much Does Commercial Roofing Cost in Atlanta?
It depends on far more than the membrane’s price per square foot: what is under the existing roof, the system you choose, the details around rooftop equipment and how the work fits around the building. Here is what moves the number, and what a proposal should show before you sign.
Why commercial roofing prices vary
Two buildings with the same roof area can need very different budgets. One has a dry, sound roof and easy access. The other needs a full tear-off, wet insulation removed, deck repairs, new drains and every rooftop unit flashed in again. The system you pick and the market for materials move the number too.
Eight things that shape a commercial roofing estimate
- 01
Measured roof area and shape
Roof area is not the building’s floor area. Several roof sections, parapets, height changes and slopes all add work.
- 02
Existing layers and tear-off
Removal, hauling and disposal cost money. A recover can avoid some of it, but only where the existing roof and the code allow.
- 03
Deck and insulation condition
Wet insulation, incompatible materials or deck repairs found during testing can change the scope.
- 04
The membrane system
TPO, PVC and modified bitumen use different products, details and install methods. A low membrane price doesn’t tell you the project cost.
- 05
Insulation and energy requirements
Insulation thickness, product and any tapered panels to fix drainage change both materials and labor.
- 06
Flashing and rooftop equipment
HVAC curbs, vents, skylights, drains, parapets and pipes take hand labor that a square-foot price can miss.
- 07
Access and an occupied building
Crane or lift access, protected entrances, deliveries, parking, tenants and limited work hours all shape the plan.
- 08
Guarantee requirements
A manufacturer guarantee may require particular materials, details, inspections and contractor eligibility. Confirm the actual terms rather than assuming the longest advertised period applies.
What a commercial roof estimate should include
The strongest bid is the one you can compare and understand, not always the lowest total. Ask for each of these in writing.
- The products and the full roof assembly, layer by layer
- How the membrane is attached
- The insulation design, including any tapered sections
- Flashing scope, drains and edge details
- Access, staging and phasing
- Testing allowances and what happens if hidden damage turns up
- Exclusions and how change orders are approved
- Warranty or guarantee terms, by name
- Payment milestones
Get a price based on your building
We measure the roof, check what is under it and put the scope in writing. See how commercial roof replacement and commercial roof repair work, start at commercial roofing, or compare the GAF commercial systems.
Commercial roofing costquestions.
Something else on your mind? Call (770) 432-5169
Cost
How much does a commercial flat-roof replacement cost per square foot?
There is no reliable single rate for every Atlanta building. Layers, moisture, the system, equipment and access move the price too much. A measured roof and a clearly defined assembly are what make two proposals comparable.
Is TPO the cheapest commercial roof?
TPO can be cost-competitive on many low-slope roofs, but the total depends on the assembly, insulation, access and the existing roof, not the membrane alone.
Does a roof recover save money?
It can cut removal and disposal costs when the existing roof qualifies. It isn’t suitable over wet or unsound roofing, and it has to meet code and the manufacturer’s requirements for the new system.
Why do two bids for the same roof differ so much?
They often specify different roofs: different membrane thickness, insulation, cover board, flashing scope or allowances for hidden damage. Put the written scopes side by side before comparing totals.