Air handling system including shroud and grille, and method...

Details Air handling system including shroud and grille, and method... Air handling system including shroud and grille, and method...

F - Mech Eng,Light,Heat,Weapons

24

F

F24F 13/06 (2006.01) E04B 9/02 (2006.01) F24F 13/08 (2006.01)

Patent

CA 2433315

An air handling system adapted especially for drop ceiling grillwork employs a shroud and a grille. The grille is made of a material meeting UL Standard 94 or 181 and rests on the drop ceiling grillwork. The shroud is made of a material meeting at least UL Standard 94HB, and at least its inner surface is non- reflective to hide the shroud structure when viewed through openings in the grille. The shroud interconnects the grille openings to an air handling duct above the grillwork using the appropriate fasteners.

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