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Slate Roofing Pittsburgh, PA

Pittsburgh has some of the finest historic homes in Pennsylvania, and many of them have slate roofs that have been protecting families.

Our Slate Roofing Approach

Genuine slate lasts 75–150 years and is the only roofing material that genuinely outlasts the building it's installed on. Pittsburgh has slate roofs from the early 1900s still performing on homes in Shadyside, Highland Park, and the North Shore — the material doesn't fail, but the fasteners and flashing eventually do. We install new slate, repair existing slate, and restore historic slate roofs using matching material and proper installation technique that preserves both the performance and the architectural authenticity.

  • Specialist experience with historic homes

  • Honest repair-vs-replacement assessment

  • Copper flashings as standard

  • No subcontractors

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Slate Roofing Services: Repair, Restoration & Replacement

Slate repair is where we spend most of our time on older Pittsburgh homes. Individual cracked or slipping slates are replaced using copper or stainless nails and hidden fastening methods that maintain the roof’s integrity. Flashings around chimneys, valleys, and dormers are often the first to fail on an otherwise sound slate roof. We rebuild these flashings in copper, the correct material for long-term compatibility with slate, and reintegrate them properly with the existing slate field.

Slate restoration involves a more comprehensive assessment of the entire roof. We evaluate the nail condition (galvanized nails from the 1940s-1970s often fail while slates remain sound), the underlayment condition visible at the eaves and at any lifted slates, the condition of the hip and ridge caps, and all flashing systems. A restoration addresses all failing components while preserving the slates that still have life in them.

When slate replacement is the right call, we take it seriously. New natural slate is installed on properly prepared decking with appropriate underlayment, copper flashings, and correct headlap for Pittsburgh’s weather exposure. We do not substitute synthetic slate unless the homeowner specifically requests it and understands the difference. Natural slate installed correctly is a 75-100 year roof. That investment deserves real material.

Have a slate roof on your Pittsburgh home that needs attention? Get a free inspection and written estimate from Picture Perfect Exteriors. We work on historic homes throughout the South Hills and western PA.

Why Pittsburgh Homeowners Choose Picture Perfect Exteriors for Slate Roofing

Specialist experience with historic homes: We understand the materials, methods, and standards that slate roofing requires.

Honest repair-vs-replacement assessment: We tell you what can be saved and what cannot. We do not push replacements on repairable roofs.

Copper flashings as standard: Correct material selection matters for long-term compatibility with slate.

No subcontractors: Skilled slate work requires consistent, experienced hands. Our crew does the work.

Written quote with material specifications: You know exactly what slate grade, underlayment, and fasteners are going on your home.

Licensed & insured: Full coverage for every slate project, large or small.


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How Slate Roofing Works With Us

Step 1 — Detailed Inspection

We inspect the slate field, flashings, ridge, hips, fasteners, and underlayment condition. We photograph and document every finding. This takes time and we do not rush it.

Step 2 — Honest Assessment & Written Quote

We explain what we found, what we recommend, and why. If repair is the right answer, we quote repair. If replacement makes sense, we explain that case. You get a written quote before anything is decided.

Step 3 — Material Sourcing

For replacements, we source natural slate that matches your existing roof in size, thickness, and color as closely as available. We discuss options with you.

Step 4 — Repair or Replacement

Our crew works carefully on your slate roof. We use proper hook tools and roof jacks to protect undamaged slates during access. No shortcuts on fastening, flashings, or underlayment.

Step 5 — Final Inspection & Documentation

Every replaced slate and rebuilt flashing is inspected and photographed. You receive documentation of the work and materials used.

FAQ

Frequently Asked Questions

Clear answers before you book. If you don't see your question — contact us and we'll help.

ROOF RELIABILITY SCORE

Leak prevention & weather resistance.

88% +9% improvement after service.
How do I know if my Pittsburgh slate roof can be repaired or needs replacement?

The slates themselves often outlast everything around them. If your slates are still largely intact and unbroken, repair is often the right answer. What fails first is usually the nails, the underlayment, and the flashings. A proper inspection tells you which components are failing and what a realistic repair vs. replacement cost comparison looks like.

How much does slate roof repair cost?

Single slate replacement with proper materials typically runs $50-$150 per slate including labor, materials, and scaffolding or staging costs. A more comprehensive repair addressing flashings, ridge work, and multiple slates will cost more. We provide a written itemized quote after inspection.

Can synthetic slate replace natural slate?

Synthetic slate products have improved significantly and some perform well. However, they do not match the lifespan of natural slate (75-100+ years) and some products have had durability issues in Pittsburgh's climate. We will discuss both options honestly, including realistic lifespan and cost comparisons, so you can make an informed decision.

Why do slate roofs develop problems if slate is so durable?

The slate itself is extraordinarily durable. What fails around it is what causes problems: galvanized nails that rust and corrode (common on roofs from the 1940s-1970s), deteriorated underlayment no longer providing a secondary water barrier, and flashings that were installed incorrectly or have simply aged out. Addressing these components preserves the investment in the slate itself.

Do you work on historic Pittsburgh homes with original slate?

Yes, frequently. We are familiar with the architecture and original roofing methods common to Pittsburgh historic neighborhoods. We approach historic slate roofs with respect for the original craftsmanship and a preference for repair over replacement whenever the slates warrant it.

How long does slate roofing last?

Genuine slate lasts 75–150 years. Pittsburgh has slate roofs from the early 1900s still performing on homes in Shadyside and Highland Park. The limiting factor is usually the fasteners and flashing, not the slate itself — properly maintained, a slate roof is genuinely the last roof a home will ever need.

Trusted by 85 Accreditations

ABOUT company

Driven by Craft. Defined by Reliable Installations.

Call 412-743-8208 or fill out our form for a free, no-obligation estimate. We serve Pittsburgh and all surrounding areas including Allegheny, Beaver, Butler, Washington, and Westmoreland counties.

Customer Satisfaction 99%
Referral Rate 74%
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  • $20M+

    Total Project Value

  • 100%

    On-Time Completion

  • 2,350+

    Projects Completed

  • 35+

    Years of Experience

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