Natural slate costs about $10–$20 per sq ft installed for soft slate and $20–$30 for hard slate, and a typical slate repair averages $500–$2,100, according to HomeGuide (last updated 2023). Slate can last 50–200 years, so most slate jobs in Greenville are repairs to flashing and broken slates, not replacements.
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What’s the difference between soft and hard slate?
Slate is quarried stone, and its hardness sets both price and lifespan.
| Material | Installed cost per sq ft | Typical lifespan |
|---|---|---|
| Soft natural slate | $10–$20 | 50–125 years |
| Hard natural slate | $20–$30 | 75–200 years |
| Synthetic slate | $9–$12 | 30–50 years |
| Concrete tile | $7–$19 | see note below |
| Clay tile | $8–$25 | see note below |
How is a slate roof repaired?
Slate itself rarely wears out quickly; the metal around it and the nails holding it usually fail first. Common slate repairs:
- Replacing broken or slipped slates with matching slate, fixed with a slate hook or copper strip rather than face-nailed.
- Flashing: replacing worn chimney, wall and step flashing, often in copper.
- Copper valleys: replacing old valley metal that has worn through.
- Nail sickness: where old iron nails rust and slates slide; repairs refasten them.
HomeGuide puts minor slate repairs at $500–$750 and repairs per 100 sq ft at $1,000–$3,000. General repair pricing is on roof repair.
When is a slate roof actually worn out?
A slate roof is at the end of its life when the slates themselves fail across the roof: flaking, delaminating, crumbling at the edges, or breaking when touched. If most slates are sound and the problems are in flashing, valleys and nails, repairs make far more sense than replacement.
What is synthetic slate?
Synthetic slate is made from polymers or composites to look like stone. It’s lighter and cheaper, at $9–$12 per sq ft installed, but HomeGuide puts its lifespan at 30–50 years against 50–200 for natural slate. It’s often chosen where the house wasn’t built to carry stone.
What about clay and concrete tile?
Tile roofs are less common in the Upstate than slate, but they suit Spanish, Mediterranean and some traditional styles. HomeGuide puts concrete tile at $7–$19 and clay tile at $8–$25 per sq ft installed. Like slate, tiles crack if walked on carelessly, so repairs need a crew that knows the material.
Can your roof carry slate or tile?
Natural slate and clay or concrete tile are far heavier than shingles. Before switching to one, have the roof framing checked by a qualified professional, and ask the roofer whether the product’s manufacturer sets any structural requirements. Synthetic slate and lightweight tile products exist for roofs that can’t take the weight.
How do you find a slate specialist?
Ask for slate references, not general roofing ones. A crew that doesn’t work on slate can break more slates walking the roof than the storm did. Ask:
- How will you get on the roof without walking on the slate? (Hook ladders and roof jacks are the usual answer.)
- Where will you source matching slate?
- Will replacement slates be fixed with hooks or copper strips?
- Can I see slate roofs you’ve repaired?
Then run the usual 5 checks before you sign. For how long other materials last, see how long does a roof last in South Carolina.
How it works with us
- Tell us about the roof. Fill in the short form once: the job, your ZIP code and how to reach you.
- A local roofer contacts you. Your request goes to a licensed and insured, local roofer in our network, who contacts you within 24 hours to set up a free inspection.
- You get a quote and decide. The inspection and quote are free, with no obligation. Check any roofer against our 5 checks before you sign.
Roofers Greenville is a free referral service. Roofing work is performed by independent contractors in our network. How our referral service works.
Areas we serve
- Greenville County core (within about 20 miles of Greenville): Greenville, Greer, Taylors, Mauldin, Simpsonville, Five Forks, Fountain Inn, Travelers Rest, Easley and Piedmont.
- Rest of the Upstate (about 25–40 miles): Anderson, Belton, Clemson, Seneca, Pickens, Spartanburg, Boiling Springs, Lyman, Moore, Campobello and Woodruff.
Every town, ZIP code and county we cover is on the service areas page.
Frequently asked questions
How much does slate roof repair cost?
HomeGuide puts a typical slate roof repair at $500–$2,100 on average, with minor repairs at $500–$750. Access, matching slate and flashing work drive the price.
Can you walk on a slate roof?
Not safely without the right equipment. Slates crack under foot traffic, so specialists use hook ladders and roof jacks to spread their weight.
Should I replace my slate roof with shingles?
Usually not if the slates are sound. A slate roof with failing flashing or nails can often be repaired for far less than a new roof, and it outlasts several shingle roofs. Get a slate specialist’s opinion first.
How long does a tile roof last?
HomeGuide’s roof replacement guide gives tile roofs 30–100+ years. Ask a roofer to check the underlayment and flashing beneath the tiles as the roof ages.
Got a slate or tile roof? Request a free slate or tile inspection.
Sources
- HomeGuide: Slate roof cost (byline April 2023)
- HomeGuide: Roof replacement cost (Nov 2025)
- HomeGuide: Roof repair cost (Feb 2026)
Last reviewed: October 2026. Roofers Greenville is a free referral service; roofing work is performed by independent contractors in our network.