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Fire-Rated Packages

Must be installed according to UL Standard 263.

Greenheck fire-rated grilles, registers and diffusers are classified and listed by UL for use in restrained and unrestrained floor/ceiling or roof/ceiling assemblies with up to a 3-hour rating.
Louvered Face Diffusers

Louvered Face Diffusers

Louver face ceiling diffuser with a UL-listed ceiling radiation damper.

VIEW Louvered Face Diffusers
https://catalog-api.greenheck.com/api/category/en-us/601
Step Down Diffusers

Step Down Diffusers

Fire-rated 2-cones and 3-cones square face diffusers with a UL-Listed ceiling radiation damper.

VIEW Step Down Diffusers
https://catalog-api.greenheck.com/api/category/en-us/607
Perforated Face Diffusers

Perforated Face Diffusers

The look of a perforated diffuser in a fire-rated package.

VIEW Perforated Face Diffusers
https://catalog-api.greenheck.com/api/category/en-us/603
Cube Core Return Grilles

Cube Core Return Grilles

Cube core return grille with a UL-listed ceiling radiation damper for T-bar lay-in applications.

VIEW Cube Core Return Grilles
https://catalog-api.greenheck.com/api/category/en-us/599