Round Louver Gable Vents

Vent will have no mounting flange

This option has no nailing flange or fin to restrict the vent from sliding into the opening.  When placing a louver vent in a brick hole or existing window frame, a flange may be more of a hindrance than a help.  Since this vent option provides none of these, it does not require you to cut off or have to trim the nail fin.  Worried about mounting?  Don't.  All Onyx Xteriors vents are triple walled (minimum) for the optional side wall screw/fastener placement.  This means you can apply screws through the side of the vent behind the louver face to hide the fasteners.  Careful not to over tighten as aluminum vents need to shift and move slightly as wood expands and contracts with weather.

Focus only on the vent size you need.  Then imagine the face flange protruding 1 1/2" beyond the vent all the way around to cover the rough opening edges and assist in protecting the gable wall from leaks.  This flange also acts as a stop for the vent to insert into the opening and the front nail fin will butt right up to the wall face on the outside.  Don't want to dent up the flange with nails since the face may be visible after the install?  We've got you covered.  Align the vent where you want it and place a few screws behind the front of the louvers right through the side wall of the vent.  These are tough gable vents.

Stucco and brick applications have benefited from these attic vents for many years.  With an inch and a half nail fin around the rear of the vent, it is as simple as place the vent, screw or nail the flange to the wall and done.  Then just apply the cladding to the wall round the vent.  Another advantage is if choosing a 4" or 6" depth, you get to choose the placement of the back flange on the vent.  This way, if a deeper vent is needed for the area but the flange needs to be before the back of the vent, it can.  Just choose your depth.

Facing the vent with a 1 1/2" front flange, then a 1" deep pocket and a 2 1/2" back flange creates a J channel pocket for vinyl siding, Hardie plank and many other house coverings.  If a deeper pocket is needed than the standard 1", let us know in the comments box when ordering.  Pre insulated siding for example needs a 1 1/4" J pocket for proper movement.

Round gable vents are just nice to look at when you have too many straight lines on a home.  Most homes seem to be built on square boxes with triangles on top.  The curvature of a round vent can break up the monotony and add comfort to the style of the home.