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Clay & Concrete Tile Roof Calculator

Calculate clay or concrete tile roofing for replacement. Common in Southwest and coastal climates — 50-100 year lifespan. Get squares, tile count, and total cost.

Estimated total
$17,309$34,605
Squares
18.45 · Tile
Project details
Roof footprint
Footprint (length × width on ground)RunRisePitch = Rise / Run
Section 1
Footprint: 1500 sq ftRoof area: 1677 sq ft
Total roof area1677 sq ft · 16.77 squares
Roofing material
Clay / Concrete TileHeavy — verify roof structure can support. 50–100 yr lifespan. Common in Southwest/coastal.

Optional override

Tear-off & decking

Older roofs may have 2-3 layers

$50–$100/sheet (4×8 = 32 sq ft)

Underlayment & flashing

Auto: 80 lf (half perimeter for eaves)

0 if no valleys (simple gable)

Penetrations

$40–$80 each

$200–$500 each

$200–$400 each

Permits & labor

Cost breakdown

Itemized for your selected configuration.
Clay / Concrete Tile · 18.45 squares × $700/sq$7,379 – $18,447
Underlayment · 5 rolls$125 – $300
Ice & water shield · 80 lf$120 – $280
Drip edge · 160 lf$240 – $480
Ridge cap · 50 lf$100 – $250
Ridge vent · 50 lf$400 – $750
Penetrations · 4 vents + 0 skylights + 1 chimney$360 – $720
Tear-off · 16.77 sq × 1 layer$1,677 – $2,516
Building permit$200 – $800
Pro labor · 16.77 sq × $400–$600/sq$6,708 – $10,062
Total project cost$17,309 – $34,605

50-year cost of ownership

Your same roof across all 7 materials, accounting for replacement cycles.
MaterialOne installLifespanRe-roofs50-yr total
3-tab$9,95018 yr3×$29,849
ArchitecturalCHEAPEST 50-YR$10,73828 yr2×$21,476
Corrugated metal$18,32645 yr2×$36,653
Standing seam$24,11260 yr1×$24,112
TileYOUR PICK$25,95775 yr1×$25,957
Slate$37,696125 yr1×$37,696
EPDM$11,39225 yr2×$22,784
💡 Asphalt looks cheapest until you factor in 2–3 replacement cycles. Metal and slate often win over 50 years.

Shopping list

Major roofing materials.
  • Clay / Concrete Tile18.45 squares
  • Synthetic underlayment rolls5
  • Ice & water shield80 lf
  • Drip edge (10' lengths)16 pieces
  • Ridge cap shingles or coil50 lf
  • Ridge vent (4' sections)13 pieces
  • Pipe & vent flashings4
  • Step & counter flashing20 lf
  • Roofing nails (1.25" galvanized)74 lbs
  • Roofing cement (10 oz tubes)4 tubes
  • Roofing shovel & tarps for tear-offSet
  • Safety harness, ladder, knee padsSet
  • Dumpster rental (10–20 yard)1
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Pro tips

Verify the roof structure first. Clay/concrete tile weighs 600-1,100 lbs per square — 3-5× asphalt's weight. Older homes built for asphalt may need engineered reinforcement before going tile. Cost of reinforcement: $3,000-$10,000.

Underlayment is what fails, not the tile. Tile itself lasts 50-100 years. The underlayment beneath fails at 20-40 years. When re-roofing tile, you can often lift and reset the existing tiles, just replacing the underlayment underneath. Saves 60% of the material cost.

Hire tile-specific roofers. Tile installation is a specialty — generic roofers will damage the brittle tiles. Always hire experienced tile roofers. Ask to see 3-5 years of portfolio work specifically with clay/concrete tile.

Frequently asked questions

Clay tile vs. concrete tile?
Clay: more expensive ($400-$1,000/sq), 75-100 year lifespan, fade-resistant colors, classic look. Concrete: cheaper ($300-$700/sq), 50-75 year lifespan, can fade. Both perform structurally the same.
Cost of tile roof installation?
Materials: $400-$1,000/square. Labor: $400-$700/square (specialty work). Total: $800-$1,700/square installed. A 2,500 sq ft roof with tile: $25K-$60K.
Can tile roof crack?
Yes — primarily from foot traffic during maintenance or impacts from falling branches. Walking on tile is risky (use roof ladder hooks). Cracked tiles are individually replaceable — keep a stack of spare tiles from the original install.
How long does a tile roof last?
The tiles: 50-100 years for concrete, 75-100+ for clay. The underlayment beneath: 20-40 years (this fails first, prompting re-underlayment with tile re-set). Total system: 50-75 years between major work.

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Disclaimer. This calculator provides estimates for planning purposes. Actual material quantities and costs may vary based on site conditions, material availability, and local pricing.