cupolas
dayton 3azh9 roof curbfixednonventedo.d 34 1 2 in
roof curb fixed nonventilated curb height 12 in . curb square o.d. 34 1 2 in . curb square i.d. 31 1 2 in . flashing flange 1 1 2 in . 18 gauge galvanized steel construction use w dayton ventilators having a 36 in square base for use with flat roofs only br b features b ul li curb height in . 12 li li curb square i.d. in . 31 1 2 li li curb square o.d. in . 34 1 2 li li damper size in . li li for use with flat roofs only li li includes li li item roof curb li li type fixed nonventilated li li construction 18 gauge galvanized steel li li use w dayton ventilators having a 36 square base li li mounting flange surface w in . 2 li li flashing flange in . 2 li ul