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Duct Leakage 101: Why do ducts leak?

Source: ASHRAE Journal

Construction & Installation

Duct work is folded sheet metal that relies on manual installation and sealing. Unfortunately, quality of workmanship is widely inconsistent and lacks proper testing.

Manual Sealing Materials

Common materials such as mastic and tape deteriorate over time, further reducing the airtightness of your ductwork.

Renovations & Additions

Drill holes, disconnected and crushed ductwork are all common deficiencies found above the drop ceiling, caused over time by ancillary projects or contractors.

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