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Sloped Roof Ventilators
Allows ventilation up to 1 200 ft2 per unit
Specifications and characteristics

Has no moving parts, requires no electricity, it is completely silent and maintenance free.
Slopped roof ventilators
Unlike the turbine, the Maximum Ventilators are CSA approved and do not require to rotate to prevent water or snow infiltrations. Its unique storm proof system prevents infiltrations while at the same time capturing the wind flow from all directions and at wind velocities as low as 6 km./hr. (4 mi./hr.). With this combination of technology, wind and pressure differentials, a “chimney or, vacuum effect” results in drawing the stale air and moisture out, thus preventing moisture & heat build-up within the attic space.

Available Colours

Black
QC-8262
VW-6068

Stone Grey
QC-8305
VW-6082

Dark Brown
QC-8229
VW-6154

Charcoal
QC-8306
VW-6072
For more colors available, consult our charter
Our models

VMAX-302-8
Adjustable sloped flashing from : 2/12 to 7/12
Ventilation area: 50 to 250 ft2

VMAX-302-12
Adjustable sloped flashing from : 2/12 to 15/12
Ventilation area: 400 to 500 ft2

VMAX-303-12
Adjustable sloped flashing from : 2/12 to 15/12
Ventilation area: 700 to 800 ft2

VMAX-301-12
Adjustable sloped flashing from : 2/12 to 15/12
Ventilation area: 1000 to 1200 ft2
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Other models and accessories

VMAX-401-12
Replacement head for any 12 in. round ventilator. Ventilation area: 800 to 1 200 ft2

VMAX-CATHEDRAL
Special order : Custom made to the slope of the roof. An insulated duct is installed on the ridge of the roof, to assure an efficient ventilation between the joists of the roof.

Accessoire Ridge Flashing
Ridge flashing, adapters and extensions.

Media filter
Closely intertwined fibreglass media filter, increasing in density in the direction of the air passage to increase its non-migratory adhesive retention capacity. The ½’’ media is used for residential, commercial and industrial applications and has an average efficiency of approximately 20%.

Retention pan
The retention pan is constructed of galvanized steel consisting of a 12in x 12in sized pan up to 32in x 32in and 4in high. The pan includes 4 metal straps, one on each corner, for installation and its finish is prewashed with phosphate treatment and then coated with baked polyester powder paint, standard colours: grey, brown and black.

Counter flashing
Counter flashing made of galvanised steel to the exact size of the ventilators body and/or cathedral systems. Counter flashing required for steel roof installations of height 102mm (4in) by 102mm (4in) shoulder for ventilators and of height 76mm (3in) by 76mm (3in) shoulder for cathedral systems.

Extensions
Special orders only. Manufacturing delays may vary depending on season. Available Colours : Black, brown and grey.