Are VC ducts encased in concrete permissible for clothes dryer exhaust in all jurisdictions?

VC ducts, or vented concrete ducts, can be used for clothes dryer exhaust, but their acceptance is heavily influenced by local building codes and regulations. Many jurisdictions recognize the potential benefits of using these ducts, such as their durability and the reduced risk of fire, but they also impose specific guidelines to ensure safety and efficiency.

Local regulations may address factors such as the materials used in conjunction with the VC ducts, the design of the duct system, and installation requirements to prevent lint buildup and facilitate service access. Therefore, while VC ducts might be permissible under certain conditions, it's essential for installers and builders to consult local building codes to ensure compliance.

This context helps clarify why VC ducts are not universally accepted or explicitly banned across all areas, reflecting the variability that can exist depending on regional codes and safety standards. Understanding the local requirements is crucial for determining whether VC ducts can be used effectively and safely for clothes dryer exhaust in a given jurisdiction.