Reliable flat roofing for Ajax properties — membrane systems and repairs for Durham Region homeowners.
Reliable flat roofing for Ajax properties — membrane systems and repairs for Durham Region homeowners.
Typical 2026 price ranges for Ajax homeowners. For a detailed pricing guide with project scenarios and material breakdowns, see our full Ajax cost guide.
| Typical Ajax project | Price range | Notes |
|---|---|---|
| Commercial on Bayly Street (1,200 sq ft) | $11,000–$16,500 | Standard commercial TPO, good road access |
| Residential addition in South Ajax (350 sq ft) | $3,800–$5,800 | Small area, lake proximity specification |
| Warehouse/light industrial near Westney (4,000 sq ft) | $33,000–$50,000 | Commercial TPO, straightforward industrial access |
Ajax flat roofing costs are approximately 6% below the Toronto baseline, reflecting Durham Region labour dynamics.
Ajax's residential flat roofing work focuses primarily on additions, garages, and porches on the community's 1990s–2000s housing stock. Many of these original membranes are approaching replacement age. We serve Ajax homeowners with straightforward, competitive pricing and honest assessments of whether repair or replacement makes more sense for your specific situation.
Ajax flat roofing costs follow Durham Region rates — typically $8–$14 per sq ft installed for TPO or EPDM. A typical residential addition or garage section runs $3,000–$8,000 depending on size and condition of the existing substrate.
We also provide flat roofing services throughout the GTA.
Get a free estimate for your Ajax home. We'll assess your needs, explain your options, and provide transparent, itemized pricing — no obligation.
Call (647) 254-0877