Roof Inspection

Painpoints

Traditional methods of roof inspection expose personnel to significant risks.
Manual assessments and documentation are required, making the process inefficient and prone to inaccuracies.
Some roof defects are not easily detectable through visual inspection alone.

Advantages

Enhance safety by eliminating the need for personnel to climb or be exposed to hazardous environments.
Drone data can be easily verified, stored, and monitored over time for consistency and accuracy.
Aerial thermal imagery offers additional insights into the condition of the roof, revealing issues not visible to the naked eye.

Roof Mapping and Visual Inspection

The DJI Matrice 4E is a precise and portable mapping drone. Utilizing the DJI Pilot 2 app to create a straightforward flight plan, inspection teams can swiftly capture comprehensive images of any roof within minutes. This drone delivers accuracy down to the centimeter and reveals details as fine as a millimeter.

The Matrice 4E offers a portable and user-friendly solution, streamlining the transportation and operation process during roof inspections.
Achieve centimeter-level precision with the drone’s mechanical shutter and Real-Time Kinematic (RTK) technology.
Capture millimeter-level details effortlessly, even in dimly lit conditions, thanks to the drone’s large 4/3-inch sensor.
Generate various data outputs, including detailed 2D maps of roofs and intricate 3D models of buildings.

Drone Platform

DJI Matrice 4E

Weight : 1219 g (with propellers)

Max Flight Time: 49 minutes

Environment Adaptability:Max takeoff altitude 6000 m, max wind speed resistance 12 m/s

Sensing System: Omnidirectional binocular vision system, supplemented with a 3D infrared sensor at the bottom of the aircraft

Mechanical Shutter Speed: 2-1/2000 s, minimum photo interval 0.5 s

Wide-Angle Camera: 4/3-inch CMOS, 20MP effective pixels

Medium Tele Camera: 1/1.3-inch CMOS, 48MP effective pixels

Telephoto Camera: 1/1.5-inch CMOS, 48MP effective pixels

Infrared Thermal Camera: 1280 × 1024@30fps (Super Resolution enabled, Night Mode not activated)

Laser Rangefinding: 1800m measurement range (1 Hz) @20% reflectivity target

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Payload And Software

DJI Pilot 2

Ground control

DJI Terra

Modeling and flight mission plan

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Workflow

Data Collection:
- – Perform a quick test flight to verify building height, then plan a 2D map mission about 50-100 (15-30 Meters) feet above the rooftop.
Data Processing:
- – Import to DJI Terra to process a high quality 2D map of the roof and 3D model of the building.
Data Analysis:
- – Highlight problem areas in Terra or third-party processing software, then export issues flagged to an internal ERP software for maintenance team to fix.

Cost-Effective Thermal Roof Inspections

The DJI Matrice 4T enables pilots to capture not only visual images for roof inspections but also thermal imagery that reveals issues invisible to the naked eye. By utilizing both types of imagery, inspection teams can enhance their capability to detect all roofing faults, thereby increasing the accuracy of their inspections.