Solar Panels on Different Roof Types

Almost any roof can support solar panels, but the installation method and cost varies by material.

Tile Roofs (Clay & Concrete)

Very common in Southern Europe, Latin America, and parts of Asia.

Installation method: Tiles are temporarily removed, mounting brackets are attached to the rafters, then tiles are replaced around the brackets. Special tile hooks slide under existing tiles.

Pros: No penetration of the waterproof membrane when done correctly. Cons: Fragile tiles can break during installation. Requires experienced installers. Extra cost: 5–10% more than standard mounting.

Metal / Standing Seam Roofs

Common on newer and industrial buildings.

Installation method: Clamps attach directly to the standing seams — no drilling required.

Pros: Fastest and simplest installation. No roof penetrations. Excellent for solar. Cons: Requires standing seam (not all metal roofs have this). Extra cost: Often cheaper than tile or flat roof mounting.

Flat Roofs (Concrete/Bitumen)

Common on apartment buildings and commercial properties.

Installation method: Weighted ballast systems or mechanically attached tilt frames angle panels toward the sun.

Pros: Optimal angle can be chosen freely. Easy access for maintenance. Cons: Requires spacing between rows to prevent self-shading. Wind uplift must be calculated. Extra cost: Tilt frames add 5–10%.

Asphalt Shingle Roofs

Common in North America, less so in Europe.

Installation method: Flashing and mounting brackets are installed under shingles and attached to rafters.

Pros: Well-established installation methods. Cons: Shingle lifespan (20–30 years) may not match panel lifespan (25–30 years). Consider replacing old shingles before installing solar.

Slate Roofs

Installation method: Similar to tile — brackets attach to rafters, slates are trimmed around brackets.

Pros: Beautiful combination aesthetically. Cons: Slate is expensive and fragile. Requires specialist installers. Extra cost: 10–20% more.

When to Fix Your Roof First

If your roof is more than 15–20 years old or shows signs of leaking, repair or replace it before installing solar. Removing and reinstalling panels later is expensive (€500–€1,500).

A good installer will inspect your roof condition before quoting and advise honestly if repairs are needed first.

Find experienced installers for your roof type in our installer directory.