Path-Q Solar

What installer experience matters when a roof has unusual construction?

Answer

Look for documented experience with the same or closely related roof construction, covering, slope, structural system, and attachment method. The installer should be able to explain how it will locate structure, manage waterproofing, handle penetrations, and coordinate any needed roof or structural assessment.

Key points

  • Ask for comparable completed projects and references, not just general years in business.
  • Confirm experience with the roof covering, framing, low-slope or complex geometry, and any historic or unusual features.
  • Require a written attachment and flashing approach appropriate to the roof.
  • Clarify who is responsible for structural review, roof repairs, and weatherproofing warranties.

What it depends on

  • The roof's construction, age, covering, and condition
  • The proposed racking and attachment method
  • Any structural, historic, or manufacturer requirements

Risks and trade-offs

  • An unfamiliar attachment method can increase leak or structural-damage risk.
  • Additional engineering or roof work may increase cost and schedule.
  • Installing on an aging roof can make later replacement more disruptive.

Information you may need

  • Roof drawings or inspection information
  • The installer's comparable project references
  • The proposed attachment, flashing, structural, and roof-warranty approach

Your next step

What to do next

Have at least one suitably experienced installer inspect the roof and provide a written method statement, scope, and responsibility for waterproofing.

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SQ01482