A properly designed ventilation system from CannonBall:HNP can not only
improve the life of your building
but also add style and curb appeal. Our cupolas and ridgevents are available
in a variety of popular metal
building colors. Ridgevents are available in various sizes to meet the
most demanding ventilation
Fabricated from 24ga pre-painted steel, our CB Series Cupolas are
available in 24” and 36” with standard flashing or a Universal
Base. Our exclusive stainless steel roof seam locks provide an enhanced
appearance while rounding the corners making this model easier and
safer to install. Available assembled easier installation or knockdown
for greater shipping and inventory options.
Available in a variety of colors and sizes ranging from 200 to 400
square inches of free air space, CannonBall:HNP Low Profile Ridgevents
are the ideal choice for venting your metal building. All units are
10’ in length, have built-in baffles to prevent water intrusion
and include integral mounting flanges and end caps. Can also be used
for continuous runs.
For confinement and other large buildings where maximum airflow is
necessary, CannonBall:HNP Confinement Ridgevents offer some of the
highest airflow ratings in the market today. All Confinement Ridgevents
can be equipped with manual airflow dampers and include mounting flanges
and end caps. Throat sizes range from 8” to 12” with available
lengths of 4’ and 10’.
Vent doors from CannonBall:HNP are available in solar or insulated
configurations. Both models are top hinged with a manual center operator
arm and full perimeter nailing flange. An ideal source of inlet air
for confinement and large industrial buildings.