Filtered roof ridge ventilator

Details Filtered roof ridge ventilator Filtered roof ridge ventilator

E - Fixed Constructions

04

D

20/20.1

E04D 13/16 (2006.01) E04D 13/17 (2006.01) F24F 7/02 (2006.01)

Patent

CA 1153861

108,164 FILTERED ROOF RIDGE VENTILATOR ABSTRACT OF THE DISCLOSURE A ridge ventilator for the roof of a building includes a porous, non-woven and fiberous filter medium selectively installed in the ventilator to prevent inadvertent infiltration of moisture through the ventilator into the space below the roof. The filter medium is retained in operative position engaged against louvered panels, outer side walls and at least portions of the top wall of the ventilator. The thickness of the filter medium preferably is greater than the height of the outer side walls so that the filter medium is frictionally retained in its operative position. The filter medium has a density gradient through its thickness with the most dense portion of the medium being arranged adjacent the louvered openings. In operative position, the filter medium will trap or filter moisture from air entering the ventilator from ambient atmosphere and yet, will permit exhausting of air through the ventilator to ambient atmosphere. -1-

385906

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