An attic duct system is sealed only with cloth-backed tape that is peeling at the joints. What should be corrected?
Correct Answer
A) Duct sealing.
Remove failed material and restore suitable sealing for the duct system, with the required mechanical connection and surface preparation. Use the applicable approved mastic or tape installation; wrapping more unsuitable peeling tape over the joint does not establish a durable seal. Source: https://sws.nlr.gov/spec/501061
Why This Is the Correct Answer
Remove failed material and restore suitable sealing for the duct system, with the required mechanical connection and surface preparation. Use the applicable approved mastic or tape installation; wrapping more unsuitable peeling tape over the joint does not establish a durable seal. Source: https://sws.nlr.gov/spec/501061
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