Serving Oakland and Macomb Counties Office hours: Monday–Friday, 8:30 a.m.–4:30 p.m.
Sandison
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About Sandison

Insurance and Causation Support

Evidence-based building-system investigation and technical documentation.

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The short answer

What should I provide for a causation inquiry?

Describe the event, affected system, timeline, prior work, photographs, and the questions the report needs to answer. The assignment and available evidence determine the scope.

What Sandison evaluates

Contact and service information

  • Office: (248) 453-1227
  • Emergency: (248) 467-1761
  • Oakland and Macomb Counties
  • Plumbing, HVAC, electrical, radon, and commercial

Helpful information

Insurance and Causation Support: what to know

Causation support begins with a defined assignment, chronology, property and system identification, photographs, measurements, service history, operating tests, alternative explanations, damaged components, and limitations.

Planning your next step

Questions about your property or service request?

The report separates observed fact, technical interpretation, repair scope, resulting damage, code or manufacturer reference, and opinions reserved for engineers, adjusters, restoration specialists, or other responsible professionals. Call (248) 453-1227 during office hours or use the service-request form to discuss your situation.

Common questions

What property owners ask

What should I provide for a causation inquiry?

Describe the event, affected system, timeline, prior work, photographs, and the questions the report needs to answer. The assignment and available evidence determine the scope.

Does a technical report decide insurance coverage?

No. A technical report documents observations, testing, interpretations, and limitations. Coverage decisions belong to the policy and responsible insurance parties.

Evidence and review

Why this page can be trusted

Contact Sandison to confirm current service details, availability, and the requirements for your property.

Updated . Contact Sandison to confirm the scope and requirements for your property.

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A welcome from Sandison

Put $50 back in your pocket.

New residential customers can save $50 on a qualifying completed repair or installation.

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Licensed multi-trade service · Office-confirmed scheduling

New residential customers only. One offer per household. Cannot be combined with another offer. Not valid for dispatch or diagnostic fees, maintenance plans, permits, or after-hours emergency service. Qualifying work and final eligibility are confirmed before service.