During an inspection of an existing home, you notice that the ductwork is not supported at regular intervals. What is the minimum spacing requirement for duct supports according to the 2024 International Residential Code?
- AEvery 4 feet.
- BEvery 6 feet.
- Every 8 feet.
- DEvery 10 feet.
Exam tip
Supporting ductwork at the correct intervals is crucial for maintaining structural integrity.
Why C is correct
Section M1503.6 of the 2024 IRC requires that ductwork be supported at intervals not greater than 8 feet.