Flat Roof Replacement cost: Chattanooga vs Collierville (2026)
There's essentially no price gap here: flat roof replacement runs close to $9,850 in both Chattanooga and Collierville in 2026.
Chattanooga TN
Typically around $9,850
Collierville TN
Typically around $9,850
Chattanooga vs Collierville: full breakdown
| Factor | Chattanooga | Collierville |
|---|---|---|
| Typical 2026 cost | $9,850 | $9,850 |
| Estimated range | $5,050–$14,600 | $5,050–$14,650 |
| Labor index (vs US) | ×0.96 | ×0.96 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $250 | $250 |
| Labor share | $5,900 | $5,900 |
| Materials/equipment | $3,950 | $3,950 |
These are 2026 planning figures for flat roof replacement, localized to each city — not formal quotes.
Basically a tie — focus on the contractor
Neither metro has a cost edge on flat roof replacement — spend your decision-making energy on the contractor, not the location.
Flat roof replacement by type: Chattanooga vs Collierville
Every flat roof replacement type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Chattanooga | Collierville |
|---|---|---|
| EPDM (rubber) | $5,050–$11,750 | $5,050–$11,750 |
| TPO | $6,000–$12,700 | $6,000–$12,700 |
| PVC | $6,950–$14,600 | $6,950–$14,650 |
| Modified bitumen | $5,050–$10,800 | $5,050–$10,800 |
| Built-up roofing (BUR) | $6,500–$13,650 | $6,500–$13,650 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
Flat roof replacement by roof size: Chattanooga vs Collierville
Flat and low-slope roofs are priced per square (100 sq ft) and run about $3–$11 per sq ft installed, depending on the membrane. The roof area is close to the footprint since there's little pitch.
| Size | Chattanooga | Collierville |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,100–$8,400 | $4,100–$8,400 |
| 1,500 sq ft (15 squares) | $5,050–$10,800 | $5,050–$10,800 |
| 2,000 sq ft (20 squares) | $6,000–$13,650 | $6,000–$13,650 |
| 2,500 sq ft (25 squares) | $7,450–$15,600 | $7,450–$15,600 |
| 3,000+ sq ft (30 squares) | $8,850–$18,450 | $8,900–$18,450 |
Treat these as 2026 localized estimates for flat roof replacement, not quotes from a contractor.
What roofing pros earn in each metro
Roughly 60% of what you pay for flat roof replacement is labor, which is why local wages explain most of the price gap. The numbers below are actual metro wages for skilled installers, sourced from BLS OEWS — not guesses.
No BLS metro wage series for Chattanooga; we use Tennessee regional price parity instead.
Memphis metro · about 7% below the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for flat roof replacement in either city
Roofers are slammed the moment warm weather returns, especially after storms. Get on their books in the off-season for a spring job and you're negotiating with an empty calendar, not a waiting list.
Where does a smart roofing budget go in 2026?
Before you compare roofing bids, know that the biggest variables are hidden: whether the crew tears off or lays over, what grade of shingle goes down, and what the decking looks like once it's exposed. Each one can shift the total well past the advertised price.
The value case
Architectural shingles sit between bargain 3-tab and premium metal or tile, and for most houses that middle ground is exactly right. They carry longer wind and wear ratings than 3-tab for a small step up in price, without the four-figure jump metal or tile demands.
The do-it-right case
A full tear-off lets the crew replace underlayment, flashing and ventilation while the deck is exposed — the layers that actually keep water out. Covering old shingles with new ones costs less on install day, but the trapped heat shortens shingle life, and many manufacturers won't honor a warranty on an overlay.
The risk case
The surprise that wrecks a roofing budget is rot in the decking, and you rarely see it until the old shingles come off. Fix the price per replacement sheet in the contract before the crew starts, so a low bid can't quietly climb once the deck is open.
A roof's real cost shows up over its lifespan, not on install day. Tear-off, a documented repair rate and a mid-tier shingle grade are what keep that lifetime cost in check.
Chattanooga vs Collierville
Is flat roof replacement cheaper in Chattanooga or Collierville?
Practically identical — expect around $9,850 for flat roof replacement whichever city you're in.
Why does flat roof replacement cost more in Collierville than Chattanooga?
Collierville's higher labor index (0.96 vs 0.96 in Chattanooga) is the biggest factor, with the mixed/mixed climate split playing a smaller role.
How much is flat roof replacement in Chattanooga, TN?
In Chattanooga, flat roof replacement typically runs $5,050–$14,600 in 2026, with most homeowners paying around $9,850.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
It doesn't vary by location — Late spring to early fall (dry, 45–85°F) is the discount window in both Chattanooga and Collierville (roughly 5–10% off), while mid-winter and the post-storm rush tends to be the most expensive in either city.
Should I choose where to live based on flat roof replacement cost?
No — the cost is essentially identical between Chattanooga and Collierville. Base the decision on the things that actually vary: contractor reputation, scope, equipment tier and timing.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik