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Slate roof cost calculator (2026)

Estimate a natural or synthetic slate roof by your roof area.

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Slate is the longest-lasting roof there is. Enter your roof area and slate type for a fast 2026 installed price range.

Estimated installed cost
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Natural slate is heavy — some homes need reinforced framing, which adds cost.

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Slate cost by type

Natural slate lasts 75–100 years — often longer than the house — but it’s heavy and costly to install, and some homes need reinforced framing. Synthetic slate gives the look at a fraction of the weight and price. Both are premium roofs; see slate roof cost.

Cost ranges reflect 2026 U.S. installed prices (BLS producer/labor data, Remodeling Cost vs. Value, and manufacturer pricing). Your real price depends on your roof, region, and pro — see the full cost guide.

FAQ

Slate Roof Cost Calculator questions

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Natural slate runs about $14–$30 per sq ft installed — roughly $30,000–$70,000+ for a home. Synthetic slate is less; rare imported slate is more.
Natural slate can last 75 to 100 years or more — the longest of any common roofing. The nails and flashing usually need attention before the slate itself does.
Synthetic slate weighs far less, costs much less, and resists cracking, though it won’t match natural slate’s century-plus lifespan. For many homes it’s the practical choice.
Natural slate is very heavy, so older or lighter-framed homes may need structural reinforcement. A pro checks your framing before quoting. Synthetic slate avoids most weight concerns.

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