Roof Coating Checklist

Commercial Roof Checklist: Ensuring Longevity and Performance

Maintaining a commercial roof is paramount for the longevity and performance of your building. Regular inspections and maintenance can prevent costly repairs and extend the lifespan of your roof. Here’s a comprehensive checklist to ensure your commercial roof remains in top shape:

1. Regular Inspections

Frequency: At least twice a year (Spring and Fall) and after major weather events.

– Exterior Inspection:
– Check for visible damage such as cracks, blisters, and punctures.
– Look for signs of water pooling, which can indicate drainage issues.
– Examine roof edges, flashings, and joints for any signs of deterioration.
– Inspect gutters, downspouts, and drains for debris that could cause blockages.

– Interior Inspection:
– Inspect ceilings and walls for water stains or mold, which may indicate roof leaks.
– Check insulation for dampness or signs of water damage.

2. Roof Surface

– Membrane Condition:
– Look for tears, punctures, or blisters in the roofing membrane.
– Check seams for separation or lifting.
– Ensure there are no exposed or damaged fasteners.

– Roof Penetrations:
– Inspect vents, skylights, and HVAC units for secure flashing and seals.
– Ensure all penetrations are properly sealed to prevent leaks.

3. Flashing and Edging

– Flashing:
– Examine flashing around roof edges, walls, and roof penetrations for rust, cracks, or lifting.
– Ensure flashing is securely attached and sealed.

– Edging:
– Check roof edges for any signs of wear or damage.
– Ensure edges are properly sealed and secure.

4. Drainage System

– Gutters and Downspouts:
– Clear gutters and downspouts of debris to ensure proper water flow.
– Check for signs of rust, damage, or loose sections.

– Drains:
– Ensure roof drains are clear and functional.
– Check for any signs of blockage or slow drainage.

5. Roof Accessories

– HVAC Units:
– Inspect the base of HVAC units for signs of wear or damage.
– Ensure all seals and flashings around HVAC units are intact.

– Skylights:
– Check skylights for cracks, leaks, or condensation between layers.
– Ensure skylights are properly sealed.

6. Vegetation and Debris

– Debris Removal:
– Regularly remove leaves, branches, and other debris from the roof surface.
– Ensure no debris is obstructing drainage systems.

– Vegetation Control:
– Remove any moss, algae, or other vegetation growing on the roof.
– Use appropriate treatments to prevent regrowth.

7. Safety Measures

– Walkway Pads:
– Ensure walkway pads are in place and in good condition to prevent roof damage during maintenance activities.

– Safety Equipment:
– Verify that all safety equipment, such as harnesses and anchor points, are in good condition and properly used during roof inspections and maintenance.

8. Documentation

– Maintenance Records:
– Keep detailed records of all inspections, maintenance, and repairs.
– Document any issues found and the actions taken to address them.

– Warranty Compliance:
– Ensure all maintenance activities comply with the roof warranty requirements.


A proactive approach to commercial roof maintenance can save you time, money, and headaches in the long run. By following this comprehensive checklist, you can ensure your roof remains in excellent condition, providing reliable protection for your building and its contents.

For professional assistance and more detailed inspections, consider partnering with a trusted commercial roofing contractor like GreenStar. Regular professional assessments can help identify potential issues before they become major problems, ensuring your roof’s longevity and performance.

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