Path-Q Solar
Should I get a structural assessment before requesting quotes if my roof has no visible damage?
Answer
Usually, request quotes first and ask each installer to explain whether its site review identifies a need for structural assessment. Obtain an independent or qualified structural assessment before committing when the roof is older, heavily loaded, unusual, has limited documentation, or the proposed array may approach uncertain capacity.
Key points
- No visible roof damage does not establish structural capacity.
- Installers may be able to evaluate ordinary conditions, but their scope and qualifications vary.
- A structural assessment is more valuable before contract signing if reinforcement could materially change price, layout, or feasibility.
- Ask whether the quote includes assessment, engineering, reinforcement, and any redesign.
What it depends on
- Roof framing, age, span, material, and prior alterations
- Array size, equipment weight, and local environmental loads
- Attic access and availability of plans
- Installer qualifications and scope of review
Risks and trade-offs
- Assessing too early can add cost before a viable design exists.
- Assessing too late can produce redesign, delay, or unexpected structural costs.
- An installer may condition its proposal on later engineering review.
Information you may need
- Roof plans, framing information, and age
- Proposed array size and equipment weights
- History of additions, repairs, or water damage
- Each installer's structural-review assumptions
Your next step
What to do next
Get preliminary quotes with explicit structural assumptions, then obtain the appropriate assessment before signing if those assumptions are uncertain or reinforcement would change the decision.
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