We
offer
suggestions on which ventilator to choose
to
prevent problems due to frost, ice forming on the roof and water leakage
that
causes ceiling damage etc...
| CHOICE
OF
VENTILATORS |
301  |
303  |
302  |
Total
Ventilation
capacity spread over: | 12
openings | 8
openings | 4
openings | | Net
ventilation area: | 144
sq inches | 144
sq inches | 96
sq inches | | Average
evacuation flow: | 418
cfm | 266
cfm | 134
cfm | | Roof
area ventilated per unit | 1000
to 1200 sq ft | 700
to 800 sq ft | 400
to 500 sq ft | | Ajustable
flashing: | for
slopes varying
between 1/12 to 6/12 | for
slopes varying
between 1/12 to 6/12 | for
slopes varying
between 1/12 to 6/12 | | Minimum
height: | 20
inches | 18
inches | 15
1/2 inches | | Standard
color: | brown,
black, grey |
brown,
black, grey |
brown,
black, grey |
 | Duraflo
Square Tops
comes in 50 and 75 sq inches
Standard colors are brown,
black, white, green,
grey, weatherwood.
Duraflo square tops will not crush, scratch or dent. Molded-in screen will
not become dislodged and its large flexible flange will not crack on installation
even in cold weather. | |
| Exhaust
Vent comes
with a Flapper and without a Flapper.
Standard colors are brown,
black, white, green,
grey, weatherwood.
Exhaust bathroom fans through the roof. The outer body is seamless and will not
leak. The flapper is especially engineered to be chatterless in the wind. |
 | Exhaust
Vent comes
with a Flapper and a Collar.
Standard colors are brown,
black, white, green,
grey, weatherwood.
Exhaust bathroom fans through the roof. The outer body is seamless and will not
leak. The flapper is especially engineered to be chatterless in the wind.
The same bathroom exhaust vent with the adapter collar included but separate
to allow trades to work independently. | ............... | |
