
Can infrared scanning be done during the day in Denver?
Infrared thermography for commercial roof moisture detection in Denver - the dry summer windows that work, the conditions that don't, and how IR combined with core sampling produces confident moisture mapping for Denver's large commercial buildings.
Infrared scanning for commercial roofing operates on a physical principle that Denver's climate amplifies: wet insulation retains heat longer than dry insulation after the sun goes down. A thermal camera scanning the roof surface in the hours after sunset detects the moisture zones as warmer anomalies against the cooling dry field. Denver's combination of intense high-altitude solar loading - UV radiation is 25 to 30 percent more intense at 5,280 feet than at sea level - and rapid evening temperature drops creates some of the strongest differential conditions in the country for IR scanning when the surface is dry and clear.
The dry summer windows - June through August on nights that follow clear, sunny days without recent precipitation - are among Denver's best IR scanning opportunities. The roof charges intensely under 8-plus hours of direct high-altitude sun, and evening temperatures drop rapidly in Colorado's low-humidity atmosphere, creating strong differential between wet and dry insulation zones. This is the opposite of Dallas or Houston, where summer nights cool slowly and suppress IR signal. Denver summers reward a strategically timed scan.
Yes, with modified interpretation. White and light-gray reflective membranes absorb less solar energy and produce a smaller temperature differential between wet and dry zones, which makes the thermogram harder to read than on a dark membrane. We account for this in the scan timing - reflective membranes often require scanning earlier in the evening, closer to the solar peak, when the differential is stronger before the entire surface cools uniformly. On roofs where reflective membrane reduces IR signal quality significantly, we recommend higher core density to supplement the IR findings.
What is the best time of year for IR scanning in Denver?
| Scope Format | Written roof plan and photo record |
|---|---|
| Primary Market | Denver commercial buildings |






