Cost guide · 2026

How much does a flat roof replacement cost in Calgary?

Flat roof pricing is per square foot and varies widely by membrane type, building height, and tear-off scope.

Call for an estimate · (587) 804-9266

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Quick answer

Flat roof pricing is per square foot and varies widely by membrane type, building height, and tear-off scope.

Estimates by phone: (587) 804-9266 · Good Roofing · Calgary-owned since 2014 · 10-year workmanship warranty.

Calgary flat roof replacement is priced per square foot, not per project. For a sense of scale: a 5,000 ft² strip-mall recover is in the $30,000–$55,000 range; a 100,000 ft² industrial tear-off and reinstall runs $1.2M+.

01 · Section

Calgary flat-roof pricing by membrane (per square foot)

Recover (over existing membrane) is cheaper than full tear-off but requires the existing membrane to be structurally sound.
  • 01TPO recover (over existing): $5.50–$8.50/ft²
  • 02TPO full tear-off and reinstall: $9.00–$13.00/ft²
  • 03EPDM ballasted: $6.00–$9.00/ft²
  • 04EPDM fully-adhered: $8.00–$12.00/ft²
  • 05Modified bitumen 2-ply (SBS / APP): $9.00–$13.50/ft²
  • 06Silicone restoration coating (adds 10+ years to sound membrane): $3.50–$5.50/ft²

FAQ

How much does a flat roof replacement cost in Calgary? — questions Calgary homeowners ask

What Calgary says

4.9 from 237 verified reviews.

01

“Good Roofing met our State Farm adjuster on the roof, documented every strike, and we ended up with a full replacement covered. Crew finished in two days, yard was spotless.”
Sarah M. · Auburn Bay

02

“Got three quotes. Good Roofing wasn’t the cheapest but they were the only ones who actually went on the roof and put a fixed price in writing. No surprises.”
Dave K. · Tuscany

03

“Emergency leak the night of a Chinook windstorm. They had a tarp on the roof by 11pm. Did the permanent repair two days later for exactly the quoted price.”
Priya R. · Bridgeland

04

“I’m a 71-year-old widow and was terrified of being upsold. The project lead walked me through every line item and even fixed two soffit screws for free.”
Linda H. · Royal Oak

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Estimates are by phone. Most callbacks within an hour. We’ll book a free drone inspection if you need one and email a fixed-price quote within 24 hours.

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