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How are drones useful for roof surveys?

02/03/2020

Studio Victoria

3 minutes

One of the questions that our clients ask us more frequently is about how can drones be useful for roof inspections? In this article we are going to look at the different applications and the advantages of using drones during roof inspections, how can they dramatically improve your workflow and help you to #ONEUPYOURBUSINESS.

WHY DO YOU NEED A ROOF INSPECTION?

First of all, there are several reasons why you could need a roof inspection:

  • You live in a listed building and want to know if the centuries-old tiles are in tip top shape
  • Your insurance provider is asking for a roof report to attach to your policy
  • There has been damage by severe weather
  • There is a leak and you want to identify its source
  • You want to know how energy efficient your building is and you want to reduce your energy bills

Regardless of the reason, roof inspection reports are always very informative and could save you many thousands of pounds in costly repairs by identifying issues very early on.

DRONES LOWER THE RISK AND INCREASE SAFETY WHEN DOING ROOF INSPECTIONS

Traditionally roof inspections have been tedious, dangerous and very inconvenient for your clients and their neighbours, taking place over the course of several days, blocking some of the pavement and with your employees working in perilous conditions.

Drones are revolutionising the roof inspection industry and rightly so. One of the main advantages is that we work safely from the ground, sending the drone to get the job done, without needing any cumbersome scaffolding or expensive cherry pickers.

To help minimise risks even further, our UAVs have cameras with 30x optical zoom that can be mounted on the top or the bottom, depending on the mission’s requirements. This allows us to fly further away from dangerous objects, like power lines, and still produce highly detailed results with close-up images of the roof.

FASTER, MORE EFFICIENT ROOF SURVEY REPORTS PRODUCED BY DRONES

When the traditional roof inspection is completed, you have to rely on your inspectors’ memory and notes, which sometimes could fault, and then spend the next few days trying to piece all this data together, ending up with a somewhat half-decent report.

By using UAVs we produce results much faster, safer, more accurately, and with reduced costs, since no employees have to work at height, you do not have to block the street for days on end and we cover more area than by traditional methods, all while eliminating human error in calculations and producing permanent, irrefutable evidence of the roof’s condition at that precise point in time.

We will give you high-dynamic-range images in full resolution as well as 4K high-dynamic-range video shot at 30 frames per second. The high-dynamic-range images and videos produced by our cameras will deliver enhanced detail and contrast across all areas of the roof, especially in the parts where shadows could be more prominent, and therefore eliminating all guesswork.

DRONES OUTPUT ACCURATE AND DETAILED ROOF GEOMETRY REPORTS

Our fleet of RTK-equipped drones with high-resolution cameras produce thorough roof inspection reports with 99.4% accuracy and are available in different formats, which allow full integration with DXF and CAD, as well as video and photographic evidence. The report includes the full geometry of the roof: slopes, measurements, gradients, etc. We can also measure the tile gauge, letting you know how much the tiles overlap.

ROOF SURVEYS WITH MACHINE LEARNING OUT OF THE BOX BY USING DRONES

When a roof is severely damaged and requires a full repair, our Machine Learning software will keep track side-by-side of the repair’s progress and identify discrepancies with repeated inspections of the same roof over the duration of the project.

THERMAL CAMERA FOR ROOF SURVEYS WITH DRONES

Thermal surveys are in high demand nowadays because they can provide much more information that cannot be capture by the naked eye or normal camera sensors.

These thermal reports with drones can help you cut down your energy bills by identifying the areas where your roof is leaking precious heating.

If your roof is leaking water after a heavy downpour, our drone thermal camera can save you a significant amount of money by pinpointing the area that needs fixing and therefore preventing further extensive damage if you get the roof repaired as soon as possible.

Detecting damage on solar panels just visually is very difficult, unless the damage is evident. However, by using our thermal camera we can tell you exactly what panel and where in the panel the damage is located.

We use the best thermal camera in the market. It delivers high-resolution, blur-free thermal videos and images. It can be adjusted to specific ranges of temperature, if you need it. This camera has some incredible specifications, with a sensitivity (NEDT) of <50 mk @ f/1.0 and a resolution of 640 x 512 at 30 Hz.

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