Detroit commercial inspections. Flat roofs on commercial buildings in the Detroit area can be problematic and expensive. A good inspection can save a buyer tens and even hundreds of thousands of dollars on the roof and water damage. We inspect flat commercial roofs as well as train others to do it.
Contact: Matt Fletcher 313-510-0284
Procedure for Inspecting a Flat Roof
Purpose
To provide a systematic procedure for inspecting a flat roof to identify defects, safety hazards, maintenance needs, and conditions that may lead to leaks or structural damage.
Safety Precautions
- Follow all site safety rules.
- Use proper fall protection procedures and equipment.
- Inspect roof access ladders, hatches, and walkways before use.
- Do not inspect during severe weather, high winds, snow, or icy conditions.
- Wear appropriate PPE (hard hat, safety shoes, gloves, eye protection).
Required Tools
- Inspection checklist
- Camera or mobile device for photos
- Moisture meter (if available)
- Flashlight
- Tape measure
- Binoculars
- Note pad/tablet
- PPE
Inspection Procedure
1. Surfaces of Roof Materials
Inspect the roof membrane and all exposed surfaces for:
- Cracks, splits, punctures, tears, or blisters
- Ponding water or poor drainage areas
- Loose seams or failed joints
- Surface deterioration, UV damage, or weathering
- Missing or damaged protective coatings
- Debris accumulation
- Signs of leaks or moisture intrusion
- Condition of flashing around penetrations and edges
- Parapet wall coping condition (if present)
Action: Document all damaged areas and note urgency of repair.
2. Heating and Cooling Components on Roof
Inspect all HVAC and mechanical equipment for:
- Secure mounting and supports
- Rust, corrosion, or physical damage
- Leaking condensate lines or pans
- Damaged insulation on refrigerant lines
- Loose panels, covers, or guards
- Blocked airflow or debris around units
- Roof penetrations properly sealed
- Vibration damage to roof surface
Action: Note equipment needing service or roof seal repairs around units.
3. Windows, Doors, and Vents on Roof
Inspect all rooftop access points and ventilation components for:
- Roof hatches opening/closing properly
- Doors weather-tight and secure
- Skylights cracked, leaking, or damaged
- Damaged screens, louvers, or covers
- Sealant deterioration around frames and curbs
- Water intrusion signs around openings
Action: Recommend repairs where needed.
4. Electrical Components on Roof
Inspect electrical systems and rooftop electrical equipment for:
- Conduit securely fastened and undamaged
- Junction boxes weatherproof and closed
- Exposed wiring or damaged insulation
- Rusted disconnects or panels
- Loose mounting brackets
- Water entry risks at penetrations
Action: Report all electrical hazards.
5. Plumbing Components on Roof
Inspect plumbing-related roof items for:
- Roof drains clear and functioning
- Scuppers and gutters free of blockage
- Overflow drains unobstructed
- Vent stacks secure and properly flashed
- Pipe supports stable
- Evidence of leaks around penetrations
- Standing water near drains
Action: Recommend cleaning, sealing, or repairs as required.
6. Structure of Roof
Inspect visible structural conditions for:
- Sagging or uneven roof areas
- Soft spots or spongy decking
- Cracks in parapet walls or supports
- Water damage to underside (if interior access available)
- Corrosion of steel members
- Rotting wood framing
- Rusting metal trusses and sheathing
- Deflection around equipment loads
Action: Recommend immediate structural evaluation if instability is suspected.
Documentation and Reporting
After inspection:
- Photograph all deficiencies.
- Report locations of issues in report.
- Rate conditions as:
- Good
- Fair
- Poor
- Critical
- Recommend repairs, maintenance, or further specialist review.
- Submit final inspection report.
Contact: Matt Fletcher 313-510-0284
Detroit Area Commercial Property Inspections 