Listed and labeled hearth extensions should comply with which standard?

The standard that listed and labeled hearth extensions should comply with is UL 1618. This standard specifically addresses the requirements for solid fuel-burning appliances, including hearth extensions, ensuring that they are safe and effective in their application. Hearth extensions need to be constructed to manage heat and provide protection to the building structure from radiant heat, which is covered within the parameters set by UL 1618.

This standard includes guidelines for performance, materials, and testing methods, which help ensure that hearth extensions can withstand the conditions they will face during use. By complying with UL 1618, manufacturers can assure consumers and inspectors that their hearth extension products meet rigorous safety standards, promoting safer home heating solutions.