The ventilator functions with the combination of wind and
pressure differentials, thus creating a vacuum like effect, removing
moisture and stale air from within the attic space.
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Building code requires ventilation for restricted air space or flat roofs regardless of air intake. |
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| The requirements are 1/150 (Section 9.19.1 of the Canadian Building code of Canada). | |||||||
| The base flashing of this model was designed to be incorporated within the roof membrane (Torch-down Roll) and does not require a curb box. The neck of the ventilator is insulated to prevent condensation. | |||||||
| This model can easily replace two to three conventional gooseneck vents. | |||||||
| The air space between the underside of the roof deck and the insulation determines the area it can ventilate. | |||||||
| Standard colors: brown, black or grey. Special colors are available by special orders only and at a slightly extra cost. | |||||||
Download a detailed document on the Flat Roof Ventilator Model #201-i-ex



