Path-Q Solar
What evidence should I request before accepting an assessment that my roof is structurally suitable for solar?
Answer
Request a written assessment that identifies the roof construction and condition, the proposed solar loads and attachments, the inspection scope and limitations, and the professional or company responsible for the conclusion. A verbal statement that the roof looks adequate is not enough for a material project.
Key points
- The document should connect the proposed system design to the roof's capacity and attachment locations.
- It should identify whether concealed areas, framing, decking, moisture, and fasteners were inspected or assumed sound.
- Request marked-up plans, photos, calculations, or other supporting records when relevant to the project.
- Clarify whether the assessment is a screening review or a formal structural evaluation.
What it depends on
- Roof construction, age, and accessibility
- System size, weight, attachment method, and wind loads
- Inspection scope and professional qualifications
- Any repairs or assumptions excluded from the review
Risks and trade-offs
- A limited visual inspection may miss concealed deterioration.
- Generic structural language may not cover the actual final design.
- Additional engineering review may cost more but reduce uncertainty and disputes.
Information you may need
- Written roof-condition report
- Structural loads and attachment drawings
- Inspection scope, limitations, and supporting evidence
- Qualifications and responsibility of the assessor
Your next step
What to do next
Ask for the written assessment and final attachment plan, then have an appropriately qualified independent professional review any unresolved assumptions before signing.
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