Infrared Surveys detect heat loss, grout problems, mold problems, moisture intrusion, and improperly installed insulation.


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The Building Division of Stockton Infrared Thermographic Services, Inc. (BuildSCANIR™) has performed qualitative infrared thermographic surveys of CMU walls on thousands of buildings. We bring to our clients experience, state-of-the-art high-resolution infrared imagers, digital recording equipment, techniques that have been refined over many years and the attitude that we are going to obtain the best imagery possible and produce a professional report in a timely manner. Our deliverable product is the best in the field of infrared thermography on the market today.

Understanding CMU Infrared Imagery
Infrared imagery is often a grayscale picture whose scales (or shades of gray) represent the differences in temperature and emissivity (opposite of reflectivity) of objects in the image. As a general rule, objects in the image that are lighter in color are warmer, and darker objects are cooler. No object in the images is detected via visible light wavelengths (400-700 nanometers) rather, only from infrared wavelengths in the 3000-5000 nanometers or 3-5 micrometers (microns) range. Lights and other relatively hot objects are very evident, but as a result of their heat---not light emissions.

When an image is taken with an infrared camera, it is often recorded onto videotape and digitally saved to an onboard PCMCIA card. The image may be then modified in a number of ways to enhance its value to the end user. In the case of the printout that will be enclosed with this package, the building images will be digitized, saved and converted to TIFF images through the use of FLIR Systems Thermotechnix Thermonitor Pro and Researcher software. The images will then adjusted for color, contrast and brightness before being scaled and placed in a PowerPoint file. The file is then printed on photographic paper by using a photo quality printer. Images are recorded onto a digital videotape via S-Video direct cabling, then recorded onto any format that is desired by the client, for example VHS, 8mm, DVD, mini-DV or CD-ROM.

Infrared Testing Methodology
To find out what is inside a wall, we scan them looking for surface temperature differences. These differences in temperature indicate a difference in mass, since heat energy is gained and released at different rates from objects of different densities. Since we scan the walls with extremely sensitive infrared cameras, we can see the patterns as a ‘picture’ of the different densities. Wall areas that contain grout, insulation or are empty are displayed as a different color (or shade of gray). Since we can “see” all areas of different mass, we can immediately determine if there is a component misplaced, incomplete or missing. When deficiencies are found, we make a matching visual image with a high resolution digital photo camera for reference. The orientation of the building to the Sun, the weather - as much as 3 days prior to the survey, the type of surface, status of the HVAC systems and many other factors make the ‘window’ of uneven heat dissipation different for each building and building component. For this reason, surveying must be done day and night, under varying conditions.

Old-fashioned methods of testing (on-site testing companies, installing Inspection ports, performing destructive testing and X-raying) are generally ineffective and expensive. An experienced BuildSCANIR™ infrared thermographer can successfully survey just about any building, given proper thermal transient conditions. Infrared thermography can be used on the job site as an effective way to improve the quality of construction and the accountability of the contractors. This brings benefits to the building owner, general contractor, structural and thermal engineer and to the building industry in general.

Advantages of BuildSCANIR™ Infrared Testing

  • The building owner gets a permanent record of the building, documenting that it is safe, code-compliant and built to the architect’s specifications.
  • Confident that what he puts in the specifications will be built and verified, there is no need to ‘over-design’ the building to compensate for inevitable, previously unseen faults. This will save the owner time, money and simplify the construction process.
  • General contractors can reduce the costs of inspections, since the building can be verified to specifications at any time during the construction. If faults are discovered, high quality reports can be generated and presented to the responsible party quickly, so that repairs can be carried out in a timely manner.

For more information on this testing method and to download a white paper on the subject...

  BuildScanIR™ services are divided into four groups:
GroutFindIR     Read more…
Find structural components in masonry buildings.
MoistureFindIR     Read more…
Find moisture in buildings.
InsulationFindIR     Read more…
Find missing or misplaced insulation.
HeatLossFindIR     Read more…
Find thermal envelope problems.


Infrared Thermography

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Stockton Infrared Thermographic Services, Inc.
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