Haag Engineering finds HOVER more accurate than other measurement providers

HOVER measurements are known for being exceptionally comprehensive. What is less visible to the eye is how highly accurate those measurements are, which is essential for retail contractors, restoration contractors, and insurance carriers alike.

To better quantify the accuracy of their roof measurements, HOVER engaged Haag Engineering to conduct an independent study using the HOVER mobile app along with two aerial providers. HOVER proved to be the most accurate across a variety of individual slopes. In addition to accuracy, HOVER was able to produce the roof area for every property, including those with heavy tree coverage. Tree coverage limited the availability of both aerial providers, and they were unable to provide measurements for some properties.

Compared with two leading providers of aerial-based roof measurements, HOVER’s results were closer to Haag’s field measurements.

In contrast, HOVER uses patented computer vision technology and ground-level reconstruction to transform smartphone photos to create a 3D model of the property complete with full exterior measurements including all elevations (facades), soffits, gutters, downspouts, and openings.

HOVER vs Aerial Imagery

Haag’s study outlined to key benefits to using HOVER over other measurement providers:

    • Reduce time and improve safety since users do not need to access the roof
    • Uphold accuracy regardless of overhanging trees or other obstructions
    • No worries regarding restricted air space, maintenance of remote pilot certification, or the maintenance of expensive equipment

The study examined 40 roofs with pitches ranging from 1:12 to 12:12 and individual roof areas ranging from approximately 3.4 to 53 squares. Properties were primarily or completely surfaced with asphalt composition shingles and were located in the Dallas-Fort Worth Metroplex, the greater Houston area, and the Tampa-St. Petersburg area. HAAG staff measured each roof to the nearest inch. Participants were asked to capture the properties using the HOVER app. HAAG ordered Aerial reports for comparison.

About Haag Engineering
Haag Engineer’s roofing expertise is second to none. Haag’s engineers have been forensically evaluating roofing for over 60 years, with research/testing studies and peer-reviewed technical papers on roofing extend back to the 1960s.
  • Get the full Haag Roof Measurement Study

HOVER transforms smartphone photos of any property into an accurate, interactive 3D model so you can estimate a project confidently and easily visualize what the final project will look like.

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