Non-Ventilated Roof Curbs

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 20 1/2 In, Curb Square I D 17 1/2 In, 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 22 In Square Base, For Use With Flat Roofs Only, Includes Damper Tray

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 20 1/2 In, Curb Square I D 17 1/2 In, 18...More

Roof Curb, Adjustable Width, Non-ventilated, Curb Height 12 In, Curb Square O D 14 1/2 to 23 In, Curb Square I D 10 1/2 to 19 In, 18 Gauge Galvanized Steel Construction, For Use With UL-705 Installations

Roof Curb, Adjustable Width, Non-ventilated, Curb Height 12 In, Curb Square O D 14 1/2 to 23 In, Curb Square...More

Roof Curb, Adjustable Width, Nonventilated, Outside Square 14 1/2 to 23 In, Curb Height 6 3/8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation, Use With Dayton Ventilators Having a Square Base From 16 to 21 1/2 Inches

Roof Curb, Adjustable Width, Nonventilated, Outside Square 14 1/2 to 23 In, Curb Height 6 3/8 In, 18 Gauge...More

Roof Curb, Fixed, Nonventilated, Curb Height 12 In., Curb Square O.D. 33 In., Curb Square I.D. 30 In., Flashing Flange 1 1/2 In., 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 34 1/2 In Square Base, For Use With Flat Roofs Only, Includes Damper Tray

Roof Curb, Fixed, Nonventilated, Curb Height 12 In., Curb Square O.D. 33 In., Curb Square I.D. 30 In.,...More

Roof Curb, Fixed, Nonventilated, Inside Square 17 1/2 In, Outside Square 20 1/2 In, Curb Height 12 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 22 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 17 1/2 In, Outside Square 20 1/2 In, Curb Height 12 In, 18...More

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 28 1/2 In, Curb Square I D 25 1/2 In, 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 30 In Square Base, For Use With Flat Roofs Only, Includes Damper Tray

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 28 1/2 In, Curb Square I D 25 1/2 In, 18...More

Roof Curb, Fixed, Nonventilated, Inside Square 14 1/2 In, Outside Square 17 1/2 In, Curb Height 8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 19 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 14 1/2 In, Outside Square 17 1/2 In, Curb Height 8 In, 18...More

Roof Curb, Fixed, Nonventilated, Inside Square 17 1/2 In, Outside Square 20 1/2 In, Curb Height 8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 22 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 17 1/2 In, Outside Square 20 1/2 In, Curb Height 8 In, 18...More

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 17 1/2 In, Curb Square I D 14 1/2 In, 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 19 In Square Base, For Use With Flat Roofs Only, Includes Damper Tray

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 17 1/2 In, Curb Square I D 14 1/2 In, 18...More

Roof Curb, Adjustable Width, Nonventilated, Outside Square 23 1/2 to 32 In, Curb Height 6 3/8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation, Use With Dayton Ventilators Having a Square Base From 25 to 30 1/2 Inches

Roof Curb, Adjustable Width, Nonventilated, Outside Square 23 1/2 to 32 In, Curb Height 6 3/8 In, 18 Gauge...More

Roof Curb, Fixed, Nonventilated, Inside Square 37 1/2 In, Outside Square 40 1/2 In, Curb Height 8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 42 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 37 1/2 In, Outside Square 40 1/2 In, Curb Height 8 In, 18...More

Roof Curb, Fixed, Nonventilated, Curb Height 12 In., Curb Square O.D. 43 1/2 In., Curb Square I.D. 40 1/2 In., Flashing Flange 1 1/2 In., 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 45 In Square Base, For Use With Flat Roofs Only

Roof Curb, Fixed, Nonventilated, Curb Height 12 In., Curb Square O.D. 43 1/2 In., Curb Square I.D. 40 1/2...More

Roof Curb, Adjustable Width, Nonventilated, Outside Square 23 1/2 to 32 In, Curb Height 12 3/8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation, Use With Dayton Ventilators Having a Square Base From 25 to 30 1/2 Inches

Roof Curb, Adjustable Width, Nonventilated, Outside Square 23 1/2 to 32 In, Curb Height 12 3/8 In, 18 Gauge...More

Roof Curb, Adjustable Width, Nonventilated, Outside Square 32 1/2 to 41 In, Curb Height 12 3/8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation, Use With Dayton Ventilators Having a Square Base From 34 to 39 1/2 Inches

Roof Curb, Adjustable Width, Nonventilated, Outside Square 32 1/2 to 41 In, Curb Height 12 3/8 In, 18 Gauge...More

Roof Curb, Fixed, Nonventilated, Inside Square 25 1/2 In, Outside Square 28 1/2 In, Curb Height 8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 30 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 25 1/2 In, Outside Square 28 1/2 In, Curb Height 8 In, 18...More

Roof Curb, Severe Duty, Fixed, Nonventilated, Curb Height 24 In., Curb Square O.D. 25 In., Curb Square I.D. 21 1/2 In., Flashing Flange 4 In., 12 Gauge Steel Construction, Use w/Dayton Ventilators 1DYK4, 1DYK5, 1DYK8 and 1DYK9, For Use With UL 762 Applications

Roof Curb, Severe Duty, Fixed, Nonventilated, Curb Height 24 In., Curb Square O.D. 25 In., Curb Square I.D....More

Roof Curb, Fixed, Nonventilated, Inside Square 37 1/2 In, Outside Square 40 1/2 In, Curb Height 12 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 42 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 37 1/2 In, Outside Square 40 1/2 In, Curb Height 12 In, 18...More

Roof Curb, Fixed, Nonventilated, Inside Square 14 1/2 In, Outside Square 17 1/2 In, Curb Height 12 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 19 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 14 1/2 In, Outside Square 17 1/2 In, Curb Height 12 In, 18...More

Roof Curb, Fixed, Nonventilated, Inside Square 21 1/2 In, Outside Square 24 1/2 In, Curb Height 8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 26 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 21 1/2 In, Outside Square 24 1/2 In, Curb Height 8 In, 18...More

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 24 1/2 In, Curb Square I D 21 1/2 In, 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 26 In Square Base, For Use With Flat Roofs Only, Includes Damper Tray

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 24 1/2 In, Curb Square I D 21 1/2 In, 18...More

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 15 1/2 In, Curb Square I D 12 1/2 In, Flashing Flange 1 1/2 In, 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 17 In square base, For Use With UL 705 Applications, Includes Damper Tray

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 15 1/2 In, Curb Square I D 12 1/2 In,...More

Roof Curb, Fixed, Nonventilated, Inside Square 29 1/2 In, Outside Square 32 1/2 In, Curb Height 8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 34 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 29 1/2 In, Outside Square 32 1/2 In, Curb Height 8 In, 18...More

Roof Curb, Fixed, Nonventilated, Inside Square 41 1/2 In, Outside Square 44 1/2 In, Curb Height 8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 46 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 41 1/2 In, Outside Square 44 1/2 In, Curb Height 8 In, 18...More

Roof Curb, Adjustable Width, Non-ventilated, Curb Height 12 In, Curb Square O D 41 to 49 1/2 In, Curb Square I D 37 to 45 1/2 In, 18 Gauge Galvanized Steel Construction, For Use With UL-705 Installations

Roof Curb, Adjustable Width, Non-ventilated, Curb Height 12 In, Curb Square O D 41 to 49 1/2 In, Curb Square...More

Roof Curb, Fixed, Nonventilated, Inside Square 29 1/2 In, Outside Square 32 1/2 In, Curb Height 12 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 34 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 29 1/2 In, Outside Square 32 1/2 In, Curb Height 12 In, 18...More

Roof Curb, Adjustable Width, Nonventilated, Outside Square 41 to 49 1/2 In, Curb Height 12 3/8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation, Use With Dayton Ventilators Having a Square Base From 42 1/2 to 48 Inches

Roof Curb, Adjustable Width, Nonventilated, Outside Square 41 to 49 1/2 In, Curb Height 12 3/8 In, 18 Gauge...More

Roof Curb, Fixed, Nonventilated, Curb Height 12 In., Curb Square O.D. 27 In., Curb Square I.D. 24 In., Flashing Flange 1 1/2 In., 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 28 1/2 In Square Base, For Use With Flat Roofs Only, Includes Damper Tray

Roof Curb, Fixed, Nonventilated, Curb Height 12 In., Curb Square O.D. 27 In., Curb Square I.D. 24 In.,...More

Roof Curb, Fixed, Nonventilated, Inside Square 21 1/2 In, Outside Square 24 1/2 In, Curb Height 12 In, 18 Gauge Galvanized Steel Construction, For General Ventilation Application, Use With Dayton Ventilators Having a 26 In Square Base

Roof Curb, Fixed, Nonventilated, Inside Square 21 1/2 In, Outside Square 24 1/2 In, Curb Height 12 In, 18...More

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 32 1/2 In, Curb Square I D 29 1/2 In, 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 34 In Square Base, For Use With Flat Roofs Only, Includes Damper Tray

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 32 1/2 In, Curb Square I D 29 1/2 In, 18...More

Roof Curb, Adjustable Width, Nonventilated, Outside Square 14 1/2 to 23 In, Curb Height 12 3/8 In, 18 Gauge Galvanized Steel Construction, For General Ventilation, Use With Dayton Ventilators Having a Square Base From 16 to 21 1/2 Inches

Roof Curb, Adjustable Width, Nonventilated, Outside Square 14 1/2 to 23 In, Curb Height 12 3/8 In, 18 Gauge...More

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 44 1/2 In, Curb Square I D 41 1/2 In, 18 Gauge Galvanized Steel Construction, Use w/Dayton Ventilators Having a 46 In Square Base, For Use With Flat Roofs Only, Includes Damper Tray

Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 44 1/2 In, Curb Square I D 41 1/2 In, 18...More

Roof Curb, Adjustable Width, Non-ventilated, Curb Height 12 In, Curb Square O D 50 to 58 1/2 In, Curb Square I D 46 to 54 1/2 In, 18 Gauge Galvanized Steel Construction, For Use With UL-705 Installations

Roof Curb, Adjustable Width, Non-ventilated, Curb Height 12 In, Curb Square O D 50 to 58 1/2 In, Curb Square...More