MODELS 345CSOBK • 345CSOWW
Page 4
15. Position the ventilator dome so the top points toward the
roof ridge. Install the dome to the ventilator base using
the four (4) sheet metal screws removed during step 3.
Remove cardboard from the solar panel and verify the
ventilator operates.
11. Center the curb over the hole, ensure the top of curb is
parallel with the roof ridge and toenail in place. Make
sure the curb is securely attached to the roof.
12. Flash with lead, copper or other preferred flashing
materials. Ensure flashing on top two thirds of curb is
installed under adjacent roofing materials.
13. Apply a large bead of silicone on the bottom side of
ventilator base. Make sure the arrow on the ventilator
base is pointed toward the roof ridge. Place ventilator
base over curb and affix with galvanized #10 x 1" pancake
head wood screws. Install screws per illustration.
14. Using a good grade of roofing cement material, seal
shingles, flashing and all screw heads. DO NOT seal
the bottom edge of the flashing.
CURB
BASE
FLASHING
CURB ROOF SHEET
PANEL ASSEMBLY
CURB ROOF SHEET
PANEL ASSEMBLY
19 3/4"
19 3/4"
2 3/8"
5"
5"
5"
2 3/8"
2 3/8"
5"
5"
5"
2 3/8"
VENTILATOR BASE
(CURB PROFILE)
TYPICAL
#10x1"PANCAKE HEAD
WOOD SCREW