Why Rooftop Inspection Matters in Singapore
Singapore's rooftops endure some of the harshest conditions in the built environment. Year-round equatorial sun with UV index regularly exceeding 11, annual rainfall of over 2,300mm, and humidity averaging 84% combine to accelerate deterioration of every rooftop component — from waterproof membranes and flashings to mechanical equipment and drainage systems.

Regular rooftop inspections prevent small maintenance issues from escalating into major structural problems. A cracked flashing that costs $200 to repair today can cause $20,000 in water damage if left undetected for six months. Yet traditional rooftop inspection requires ladder access, safety harnesses, and working-at-height permits — making it expensive, slow, and inherently dangerous.
Drone-based rooftop inspection eliminates these barriers. Our UAVs capture detailed imagery from directly above and around all rooftop surfaces, equipment, and edge conditions. No personnel need to physically access the roof, reducing safety risk to zero while improving inspection thoroughness.
Rooftop Elements We Inspect
- Waterproof Membrane — condition, cracking, blistering, ponding areas, and exposed substrate where membrane has failed.
- Flashings and Cappings — parapet wall flashings, pipe penetration boots, and equipment base flashings checked for lifting, corrosion, and sealant failure.
- Drainage Systems — scuppers, internal drains, and gutter lines assessed for blockages, sagging, and inadequate fall.
- Rooftop Equipment — air handling units, exhaust fans, antenna mounts, and solar panels inspected for corrosion, mounting integrity, and clearance compliance.
- Safety Systems — roof anchor points, walkway systems, and edge protection assessed for visible damage or non-compliance.
Rooftop Inspection Pricing
| Building Type | Inspection Scope | Price Range |
|---|---|---|
| Residential / HDB | Visual + thermal | $800 — $1,500 |
| Commercial Office | Visual + thermal + equipment | $1,500 — $3,500 |
| Industrial / Factory | Full rooftop assessment | $2,000 — $5,000 |
| Shopping Mall | Multi-level roof system | $3,000 — $7,000 |
Pricing includes all flight operations, CAAS coordination, image processing, and detailed inspection reporting.
Frequently Asked Questions
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