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4.
4. Using a 1/2 inch bead, apply a generous amount of
construction sealant to the base of the vent.
Note: Use non-petroleum based sealants only. The use
of petroleum based sealants may void any
manufactures product warranty.
5.
5. Position the roof vent over the cut opening in the
roof. Center the vent by aligning edges of the vent
throat with the chalk lines previously marked. Using
the molded nail indicators, nail the top half of the vent
securely into place.
8.
8. Using the molded in screw guide in front of vent, secure vent into
position as shown with 1 screw supplied.
7.
7. Using the pitch tabs pivot the top of the unit to desired pitch.
Ensure the top of the unit is level.
Level Top
24”
12” x 12”
1. Apply underlayment on the sheathing and In the
center of the rafters cut a 12” round hole. The edge
of the hole should be at least 12” and no more than
24” from the roof peak.
2.
Underlayment
Shingles
3. Install next shingle course over sealant bead
and mark extended chaulk lines to help position
vent over opening in next step.
3.
6.
6. Gently lift the pitch calculating tabs (Fig A.),
pivoting the top of the unit up to and nail the
bottom half of the ange.
Note: For added
protection against
weather inltration
seal any exposed
nail heads.
Fig. A.
Pitch Tabs
Pitch Tabs
2. Using a 1/2 inch bead, apply a generous amount
of construction sealant to the underlayment infront
of hole before applying next shingle course.
INSTALLATION - PROTurbo
For New Construction
Installation of Durao WeatherPRO®
PROTurbo should comply with all
local standards and regulations.
Before beginning a job, determine
how much ventilation is required in
bothsotandroofventsandwhat
sizes of vent would best suit the job.
If required, refer to Durao Ventilation
Calculator for guidance.
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