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How Do You Handle Hurricane Damage to a Commercial Building?

Last updated October 25, 2026

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The short answer

Safety First Steps

Before anything else, ensure everyone is out of the building and no one re-enters until a professional checks the structure. Look for obvious hazards like downed power lines, gas leaks, or sagging ceilings. If you smell gas or see sparks, leave immediately and call emergency services from outside.

Once the area is declared safe, turn off water and electricity at the main shutoffs if you can do so without stepping into water. Wear sturdy boots, gloves, and a mask if you must enter for a quick look. Do not touch wet electrical panels or appliances. Your safety matters more than any property inside.

  • Check for gas leaks and electrical hazards first
  • Turn off utilities only if safe to reach
  • Wear protective gear when entering
  • Photograph all damage from multiple angles
  • List damaged items with details
  • Keep receipts for any emergency purchases

Calling in the Pros

After securing the site, contact local water damage pros who handle commercial properties. They bring equipment to extract standing water, dry out building materials, and assess hidden moisture. Their first pass usually involves removing soaked carpets, drywall, and insulation that cannot be salvaged.

Expect them to inspect the roof, walls, and foundation for structural issues caused by wind or water pressure. They may use moisture meters to find wet spots behind surfaces. Ask questions about their process and what they find, so you understand the full picture before deciding on next steps.

Keep in mind that storm damage often combines wind, rain, and flooding. The pros will separate these causes in their report, which helps with insurance. They do not handle claims directly, but their documentation supports your case. Policies vary, and your insurer decides what is covered.

Drying and Cleaning Work

The main job after a major storm is drying the building completely. Pros set up industrial dehumidifiers, air movers, and sometimes heat to pull moisture from wood, concrete, and drywall. This process can take days or weeks depending on how deep the water penetrated and what materials are involved.

Cleaning follows drying. They remove mud, debris, and any contaminants brought in by floodwater, which may include bacteria or chemicals. Surfaces get wiped down and disinfected. Items like office furniture or inventory may be cleaned on-site or taken elsewhere if salvageable.

Mold is a serious risk in the days after water damage, especially in a humid continental climate with warm summers. The pros check for mold growth in hidden cavities and treat affected areas. If mold has spread widely, a mold professional may need to join the effort for specialized remediation.

Repair and Restoration

Once the building is dry and clean, repairs begin. This work involves replacing damaged drywall, insulation, flooring, and electrical systems that got wet. An electrician may be needed to inspect and rewire circuits. A roofer might patch or replace sections of the roof that failed during the storm.

For older commercial structures, like historic buildings, repairs need to match original materials and styles. The pros coordinate with specialists who understand old construction techniques. They also check for hidden damage in wall cavities and under floors, so problems do not resurface later.

The timeline depends on the extent of damage and the building's size. A small store might take a few weeks, while a large warehouse could take months. The pros give you a clear plan of what gets repaired and in what order, so you can plan for reopening your business.

Preventing Future Damage

After the immediate crisis passes, think about protecting your building from the next storm. This could mean installing flood barriers, elevating critical equipment, or reinforcing the roof. Ask the pros for advice on what makes sense for your specific structure and location.

Review your insurance policy to understand what types of storm damage are covered, such as wind versus flood. Many policies treat these separately. Keep your policy documents accessible and update them if you make significant improvements to the building.

If you live in Detroit, keep your shutoff valve location written down and share it with key employees. Simple steps like clearing gutters and securing loose outdoor items before a storm can reduce damage. The pros may also suggest a maintenance schedule to keep your building storm-ready year-round.

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Frequently asked questions

How long does storm damage restoration take?

It varies widely based on the building's size and how much water got in. A small office might take a few weeks, while a large warehouse could take months. The pros give you a timeline after their initial assessment, and weather conditions can affect progress.

Can I clean up the water myself?

You can remove small amounts of standing water with mops and towels, but deep water and soaked materials need professional equipment. Without industrial drying tools, moisture stays in walls and floors, leading to mold and rot. For safety and thoroughness, let the pros handle it.

What should I do with soaked paperwork and electronics?

Do not throw anything away until your insurance adjuster sees it. Place wet items in a dry, ventilated area if possible. Pros may be able to dry or salvage some electronics and documents, but flood-contaminated paper often cannot be saved. Document everything for your claim.

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