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Large 6 inch Collar Gooseneck Roof Vent
Part Number DJK688
Large 6 inch Collar Gooseneck Roof Vent
Mostly for commercial dryers
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Retail Price: $45.00
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This rather large galvanized roof cap has a plate size of 14" x 14" and the structure is 8" x 8" and about 8" high.  It has a 6 inch diameter collar that is typically found in commercial dryers or range hoods.  There is no screen in this vent as it is assumed it is being used for clothes dryers.  Unlike other roof vents this light-weight damper is curved which increases the efficiency dramatically.  The opening is about 15% larger than the round pipe portion and with the curved damper, there is minimal restriction.  The collar penetrates the plate about 3 inches and is sealed to the plate with a silicone bead.  It will work on a flat roof as long as there is no chance of standing water due to a plugged up scupper or drain.  Note: Likely not recommended for use with a very high-profile roof tile like true Spanish Barrel as there is only 5 inches between the opening and the bottom plate.  With the slope on the damper and the smooth surface, the vent/damper should make it difficult for a bird to build a nest.  This vent is proudly made in the USA.
Note: We do not guarantee this roof mounted fitting will prevent rain water intrusion from wind-blown rain or torrential storm conditions. Professional installation is recommended.
Not recommended for flat roofs where the water level could exceed 2.5� due to the inability of the roofs� drains to dissipate the water. 
Questions and Answers
Q: Looking to use this for a bathroom vent on a low slope roof with 6" ducting. Will the baffle work with a 70cfm bathroom vent. If not, what minimum cdm is required? Thanks!
Asked by:  - 6/30/2014 (Submit an answer)
No Answers have been submitted yet.
Customer Reviews Average Rating review
Great Product
I just built an attached third car garage. I wanted an efficient vent that would work with my low-slope roof. This one met all the requirements and works great. It has a flapper inside to keep the critters out too. I had difficulties finding the proper 4" to 6" increaser and ended up using a type-B increaser. Make sure you buy an increaser and not a reducer. Overall I'm very happy with this product and the installation was a breeze (even for a first timer).
Reviewed by: Rob from Sacramento, CA. on 12/7/2011
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