When are fiberboard duct systems are typically sealed? What material is used to secure the joints? Why is the possibility of air leakage low with these systems?
What will be an ideal response?
Fiberboard duct systems are typically sealed as the sections are connected to each other. Reinforced duct tape is used to secure the joints and, because the fiberglass sections butt up against each other during installation, the possibility of air leakage is very low.
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