Flat Roof Cost

Flat roof cost will range anywhere from $2.75 to $8.00 psf, which includes both materials and installation. These roof replacement costs are quite varied due to the fact that you can roof with simple shingles or place high quailty IB rubber roofing down. The difference is cost will be significant.

“An average price for 1500 sq. ft. of roofing for flat roofs will run anywhere from $4,150 to $12,000 – the huge price difference is in the materials you decide to us.”

Flat Roof Cost (Materials Only)

Low To Mid Range Price: $0.75 to $2.00 per sq. ft.
Homeowners can expect to spend between $75 and $200 per square.

Mid To High End Price: $2.00 to $4.00 per sq. ft.
Homeowners can expect to spend between $200 and $400 per square.


Install Flat Roof Prices

Install Pricing: $2.00 to $4.00 psf

Installation will cost anything from $2.00 – $4.00 per sq. ft. Roofing contractors estimates will vary according to numerous factors relating to the project, including the size of the job, how complex the removal of existing materials, any damage to the roof and how many obstructions must be roofed around.

Total Flat Roofing Prices

Low To Mid Range: $2.75 to $5.00 psf
Homeowners can expect to spend between $275 and $500 per square for materials and installation.

Mid To High End: $5.00 to $8.00 psf
Homeowners can expect to spend between $500 and $800 per square for materials and installation.

Flat Roof Pricing On 15 Squares

Low To Mid Range Pricing
Homeowners can expect to spend between $4,125 and $7,500 for 15 squares.

Mid To High End Pricing
Homeowners can expect to spend between $7,500 and $12,000 for 15 squares.