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Testing and Certifications


Many tests have been made on the Maximum roof ventilators. Here is a short summary of these tests. If, however, you require the complete reports, it can be sent to you upon your request.

Tests Made by McGill University

Click here to read about the tests performed by McGill University (PDF, 75 KB)


Tests Made by the Renowned AIR-INS Laboratory

The AIR-INS LABORATORY has tested three Maximum roof ventilators to determine
the air flow extracted by the ventilator for an approach ambient air speed of 4 MPH.
Additionally, this mandate included the generation of performance curves for the static
ventilators in both modes of ventilation being infiltration and exhaustion.
The results were the following:

Model 301 : “We can conclude that the flow rate of extracted air as a function of an approach air velocity of 4 MPH, independent of orientation is greater than 418 ft./min.”

Model 303 : “We can conclude that the flow rate of extracted air as a function of an approach air velocity of 4MPH, independent of orientation is greater than 266.ft./min.”

Model 302 : “We can conclude that the flow rate of extracted air as a function of an approach air velocity of 4 MPH, independent of orientation is greater than 134 ft./min.”


Tests made for the Canada Mortgage and Housing Corporation

(see the C.M.H.C. evaluation report #11601)

A) A first observation was made on the ventilator’s resistance to high winds.
The following results have been observed on all the models :
“ The ventilators have shown no evidence of collapse, deformation
or component separation ”.

B) A second observation consists of verifying the ventilator’s resistance to rain
infiltrations. The following results have been observed on all the models:
“ There has been no infiltrations of water ”.

C) The last observation consists in testing the ventilator’s resistance to corrosion.
The following results have been observed on all the models:
“ The ventilators have shown no evidence of corrosion, embrittlement
or other injurious defect ”.


Standards Compliance

Our ventilators are in compliance with the following standards:

National Building Code of Canada

Natural Air Flow Ventilators Can3-A93-M82 

CSA # 246907 

Miami Dade Approved Product  NOA # 08-1106-02

ICC-ES # ESR 2876

Department of Agricultural and Biosystem Engineering

 

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