Hat Top Airflow Ridgevent

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Hat Top Ridge Vent for Efficient Ventilation

The Hat top Airflow Ridgevent comes with two louvers exhaust plates in parallel with the roof slope the characteristic hat-style cavity Ridge made with colour coated galvanise, Colour coated Galvalume and galvalume according to the specifications of the customer. Hat Top Airflow Ridgevent is simple to install on any roof profile design and also on older profiles. It's maintenance-free due to the long life-cycle of performance.


  • Continuous High natural airflow
  • Five meters of Airflow Ridgevent is equivalent to 2 whirlybirds
  • Internal pressure of structures decreased.
  • It is available in Colour coated steel and can be installed on all roofing profiles.
  • Available in Colour coated steel and all roofing profiles
  • Improves & maintains a comfortable living environment
  • No power, moving parts, or noise
  • Maintenance-free (No clogging)
  • Maintains a clean, attractive roofline – hidden underneath louvers ridge cap
  • Extends the life of the building through natural air circulation
  • Actively prevents the build-up of mould within the ceiling cavity – numerous health benefits
  • Located precisely where they do the most good, at the peak of the roof, Airflow Ridgevent are virtually invisible from ground level and they provide greater airflow than other vents
  • Easy to install on existing old roofing ALSO
  • Maximum effective utilization of space with an existing arrangement of structure.
  • Made in INDIA
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Throat (C) Purline Distance (A) (G) (E) (F)
100 200 157 20 15
150 250 157 20 15
Note:- All Dimensions in MM
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“Ventilation should never be an afterthought in constructing a factory building, Your building needs to breathe”

Hat Top Airflow Ridgevent Turbo ventilators
Installed at the apex portion of the roof, Located precisely where they do the most good NO puncturing or cutting sheets in between roof slope For installation puncturing or cutting sheets in between the roof slope is required
Simple to install no leakage issues Failure of workmanship can result in leakage
No rotating parts have Long durable life and effective performance Self-weight that requires wind to make them effective. These moving parts inevitably wear out
Maintains a clean, attractive roofline for all types of industrial building Projected conical dome in between roofline
Easy to install at any/all Roof profile designs and on an old existing profile The turbo base needs a matching roof profile design
Best for planning solar panel installation in the future, Due to its ideal peak installation position Puncture of the roof slope at regular intervals creates a hurdle in the future for solar panel installation planning and causes of leakage
Maintenance-free with a long performance life cycle Due to rotating parts and FRP or polycarbonate base require maintenance and monitoring
Maintains a clean, attractive roofline – hidden underneath louvers ridge cap Patch-wise dome section in the middle of a roof slope
Low volume less transportation cost, additional savings No ridge flashing required High volume more transportation cost
Can perform in the high wind area May be vulnerable to toppling over in the high windy area
Fast and easy installation with throughout ridge length ventilation Installation takes more time and is costly with patch-wise ventilation
Best For high rise industrial building Maintenance or performance failure can be a big issue in the case of high-rise industrial building
The best option for slope-type roof Building The better option for a flat roof Building


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  • Ensure roof sheeting is straight with no steps between roof sheets before installation of Airflow ridgevent of louver plate, especially regarding hip cut sheets. Maintain a minimum 100mm to a maximum 150mm gap between sheet ends.
  • Roof sheets should not be rolled up
  • Slide the louver plate over the end of the sheet until in the correct position
  • Starting from the left end pull down firmly on the louver plate install with a metal self-tapping self-drilling screw through the top row of the louver plate to hold it in place
  • On the right end pull down firmly on the louver plate, install with metal self-tapping screw drilling through the top row of the louver plate to secure it in place
  • Install STSD screws in the bottom row of the louver plate directly below the top screws to ensure installation (each piece must have evenly spaced screws) as per manufacturer’s recommendations, seal the right side of the joint using silicon sealant to create a perfect seal
  • Slide next airflow Ridgevent louver plate on an angle overlapping the previous louver plate until locked into place, pull down firmly and install 19mm/ 25mm screw/ rivet and continue as per previous steps (each piece must have eight screws) where joins do not meet on a sheet rib secure with two screws
  • Continue to install each Airflow Ridgvent louver plate on both sides of top ridge and hips where required
  • Install ridge cap over fitted Airflow Ridgevent louver plate and secure to either batten or every second roof sheet rib.


  • Do not turn up the sheets. For roofs with a pitch of under 4 degrees, please contact the manufacturer for installation instructions.
  • When laying the roof sheets, please ensure the sheets are laid straight.
  • Silicon all joins, in particular ensuring that there is no gap
  • Always follow the manufacturer screw pattern guidelines.
  • The throat gap between the Air Flow Ridge vent louvers is recommended to be minimum 75mm minimum.
  • For retrofit installations, previous screw holes are to be sealed for waterproofing.
  • “Airflow Ridgevent is located precisely where they do the most good”

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