Active ventilation products roof louver product active ventilation products roof louver product line the pop vent is excellent for venting attic spaces on shingled sloped roofs.
Roof curb with louver.
The felt seal on the face of the blades ensures quiet closing and better protection from the weather.
This includes gravity vents aura vent with curb mount flange air intake roof louvers intake pop vents with curb mount flange and round back vents with curb mount flange.
All roof vents are ul certified texas department of insurance florida state approved and have cal fire.
Nca s extensive line of dampers range from air control and balancing to life safety applications.
Vents allow hot air and gases to escape between the ductwork and roof curb.
The blades open when your roof mounted exhaust fan goes on and close when it s off preventing backdrafts.
Gpfv vented roof curb for flat roofs for kitchen applications.
Pop vent model pv 12 c2 wt is a 12 in.
Curb is designed to provide the required 40 inch 1016 mm minimum discharge height above the roof line per nfpa 96.
Cac csc standard insulated cant steel or aluminum roof curb cal csl raised cant insulated steel of aluminum roof curb cas css self flashing insulated steel or aluminum roof curb cam csm metal building insulated steel or aluminum roof curb cae cse roof curb extension steel or aluminum cad csd roof curb adaptor steel or aluminum cax csx adaptor extension steel or aluminum for roof.
Nca is a brand of metal industries inc offering a complete line of louvers and dampers.
Roof curbs are also available by avp as an option if the vents are to be installed on roof curbs.
With a 250 hp vfd motor and the ability to reach temperatures of 1 800 f our in house laboratory gives us the ability to perform preliminary testing required for research and design on ul listed products control dampers backdraft dampers and industrial dampers.
One of our premier roof vents.
The pop vent exhaust version roof louver has been installed in over 1 million homes since it debuted 35 years ago removing heat in the summer and moisture in the winter the pop vent is sold more across the country today than it ever has before.
Dia roof vent with a 2 in.
These louvers are gravity operated.
Our curb mounted flange vent lines are ready to install on the appropriate sized roof curbs.
Nca also has an impressive line of louvers including amca listed acoustical operable and hurricane tested louvers.
Roof vents can be made with a curb mount flange if they are to be installed on roof curbs.