Safety Precautions - FLIR E series User Manual

27 – Introduction to building thermography
Cause
Poor workmanship
Roof traffic
Poor design
Trapped moisture
Materials
Age & weathering
Potential leak locations include the following:
Flashing
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Drains
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Penetrations
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Seams
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Blisters
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27.3.3.2

Safety precautions

Recommend a minimum of two people on a roof, preferably three or more.
■
Inspect the underside of the roof for structural integrity prior to walking on it.
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Avoid stepping on blisters that are common on built up bitumen and gravel roofs.
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Have a cell phone or radio available in case of emergency.
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Inform local police and plant security prior to doing nighttime roof survey.
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88
%
47.6
2.6
16.7
7.8
8.0
8.4
Publ. No. T559597 Rev. a554 – ENGLISH (EN) – September 27, 2011