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Non-Ventilated Roof Curbs

65 Results Found that Include 65 Products

Results per page:  16 | 32 | 48
Roof Curb,Fixed,12 In H,17 1/2 In OD
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, 12 In H, 17 1/2 In OD Roof Curb,Fixed,12 In H,17 1/2 In OD
  • Item # 2RB75
  • Mfr. Model # 2RB75
  • 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,Fixed,12 In H,24 1/2 In OD
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, 12 In H, 24 1/2 In OD Roof Curb,Fixed,12 In H,24 1/2 In OD
  • Item # 2RB77
  • Mfr. Model # 2RB77
  • 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,Adjustable Width
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Adjustable Width Roof Curb,Adjustable Width
  • Item # 4C453
  • Mfr. Model # 4C453
  • Roof Curb, Adjustable Width, Nonventilated, Outside Square 14 1/2 to 23 In, Curb Height 6 3/8 In, 18 Gauge...More

Roof Curb,8 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 8 In High Roof Curb,8 In High
  • Item # 4HX38
  • Mfr. Model # 4HX38
  • Roof Curb, Fixed, Nonventilated, Inside Square 14 1/2 In, Outside Square 17 1/2 In, Curb Height 8 In, 18...More

Roof Curb,8 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 8 In High Roof Curb,8 In High
  • Item # 4HX40
  • Mfr. Model # 4HX40
  • Roof Curb, Fixed, Nonventilated, Inside Square 21 1/2 In, Outside Square 24 1/2 In, Curb Height 8 In, 18...More

Roof Curb,Adustable Width
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Adustable Width Roof Curb,Adustable Width
  • Item # 2ZV82
  • Mfr. Model # 2ZV82
  • 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,12 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 12 In High Roof Curb,12 In High
  • Item # 4HX47
  • Mfr. Model # 4HX47
  • 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,12 In H,20 1/2 In OD
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, 12 In H, 20 1/2 In OD Roof Curb,Fixed,12 In H,20 1/2 In OD
  • Item # 2RB76
  • Mfr. Model # 2RB76
  • 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,Fixed,12 In H,28 1/2 In OD
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, 12 In H, 28 1/2 In OD Roof Curb,Fixed,12 In H,28 1/2 In OD
  • Item # 2RB79
  • Mfr. Model # 2RB79
  • 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,8 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 8 In High Roof Curb,8 In High
  • Item # 4HX39
  • Mfr. Model # 4HX39
  • 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,Nonvented,O.D 43 1/2 In
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, Nonvented, O.D 43 1/2 In Roof Curb,Fixed,Nonvented,O.D 43 1/2 In
  • Item # 3AZJ3
  • Mfr. Model # 3AZJ3
  • 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,12 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 12 In High Roof Curb,12 In High
  • Item # 4HX49
  • Mfr. Model # 4HX49
  • Roof Curb, Fixed, Nonventilated, Inside Square 25 1/2 In, Outside Square 28 1/2 In, Curb Height 12 In, 18...More

Roof Curb,Fixed,12 In H,32 1/2 In OD
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, 12 In H, 32 1/2 In OD Roof Curb,Fixed,12 In H,32 1/2 In OD
  • Item # 2RB80
  • Mfr. Model # 2RB80
  • 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
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Adjustable Width Roof Curb,Adjustable Width
  • Item # 4C455
  • Mfr. Model # 4C455
  • Roof Curb, Adjustable Width, Nonventilated, Outside Square 32 1/2 to 41 In, Curb Height 6 3/8 In, 18 Gauge...More

Roof Curb,Fixed,Nonvented,O.D 39 In
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, Nonvented, O.D 39 In Roof Curb,Fixed,Nonvented,O.D 39 In
  • Item # 3AZJ2
  • Mfr. Model # 3AZJ2
  • Roof Curb, Fixed, Nonventilated, Curb Height 12 In., Curb Square O.D. 39 In., Curb Square I.D. 36 In.,...More

Roof Curb,12 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 12 In High Roof Curb,12 In High
  • Item # 4HX50
  • Mfr. Model # 4HX50
  • Roof Curb, Fixed, Nonventilated, Inside Square 29 1/2 In, Outside Square 32 1/2 In, Curb Height 12 In, 18...More

Roof Curb,Fixed,12 In H,40 1/2 In OD
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, 12 In H, 40 1/2 In OD Roof Curb,Fixed,12 In H,40 1/2 In OD
  • Item # 2RB81
  • Mfr. Model # 2RB81
  • Roof Curb, Fixed, Nonventilated, Curb Height 12 In, Curb Square O D 40 1/2 In, Curb Square I D 37 1/2 In, 18...More

Roof Curb,8 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 8 In High Roof Curb,8 In High
  • Item # 4HX42
  • Mfr. Model # 4HX42
  • Roof Curb, Fixed, Nonventilated, Inside Square 29 1/2 In, Outside Square 32 1/2 In, Curb Height 8 In, 18...More

Roof Curb,Adustable Width
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Adustable Width Roof Curb,Adustable Width
  • Item # 2ZV86
  • Mfr. Model # 2ZV86
  • Roof Curb, Adjustable Width, Non-ventilated, Curb Height 12 In, Curb Square O D 50 to 58 1/2 In, Curb Square...More

Roof Curb,Fixed,Nonvented,O.D 53 In
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, Nonvented, O.D 53 In Roof Curb,Fixed,Nonvented,O.D 53 In
  • Item # 3AZJ6
  • Mfr. Model # 3AZJ6
  • Roof Curb, Fixed, Nonventilated, Curb Height 12 In., Curb Square O.D. 53 In., Curb Square I.D. 50 In.,...More

Roof Curb,8 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 8 In High Roof Curb,8 In High
  • Item # 4HX41
  • Mfr. Model # 4HX41
  • Roof Curb, Fixed, Nonventilated, Inside Square 25 1/2 In, Outside Square 28 1/2 In, Curb Height 8 In, 18...More

Roof Curb,Adustable Width
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Adustable Width Roof Curb,Adustable Width
  • Item # 2ZV84
  • Mfr. Model # 2ZV84
  • Roof Curb, Adjustable Width, Non-ventilated, Curb Height 12 In, Curb Square O D 32 1/2 to 41 In, Curb Square...More

Roof Curb,Adjustable Width
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Adjustable Width Roof Curb,Adjustable Width
  • Item # 3C438
  • Mfr. Model # 3C438
  • Roof Curb, Adjustable Width, Nonventilated, Outside Square 32 1/2 to 41 In, Curb Height 12 3/8 In, 18 Gauge...More

Roof Curb,Severe Duty,Sq I.D 25 1/2 In
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Severe Duty, Sq I.D 25 1/2 In Roof Curb,Severe Duty,Sq I.D 25 1/2 In
  • Item # 2EUG9
  • Mfr. Model # 2EUG9
  • Roof Curb, Severe Duty, Fixed, Nonventilated, Curb Height 24 In., Curb Square O.D. 29 In., Curb Square I.D....More

Roof Curb,12 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 12 In High Roof Curb,12 In High
  • Item # 4HX51
  • Mfr. Model # 4HX51
  • 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,Nonvented,O.D 65 In
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, Nonvented, O.D 65 In Roof Curb,Fixed,Nonvented,O.D 65 In
  • Item # 3AZJ8
  • Mfr. Model # 3AZJ8
  • Roof Curb, Fixed, Nonventilated, Curb Height 12 In., Curb Square O.D. 65 In., Curb Square I.D. 62 In.,...More

Roof Curb,12 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 12 In High Roof Curb,12 In High
  • Item # 4HX46
  • Mfr. Model # 4HX46
  • Roof Curb, Fixed, Nonventilated, Inside Square 14 1/2 In, Outside Square 17 1/2 In, Curb Height 12 In, 18...More

Roof Curb,Adjustable Width
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Adjustable Width Roof Curb,Adjustable Width
  • Item # 4C454
  • Mfr. Model # 4C454
  • 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, 12 In H, 15 1/2 In O D
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, 12 In H, 15 1/2 In O D Roof Curb, Fixed, 12 In H, 15 1/2 In O D
  • Item # 5EFJ2
  • Mfr. Model # 5EFJ2
  • 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,Adjustable Width
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Adjustable Width Roof Curb,Adjustable Width
  • Item # 4C670
  • Mfr. Model # 4C670
  • 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,12 In H,44 1/2 In OD
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, Fixed, 12 In H, 44 1/2 In OD Roof Curb,Fixed,12 In H,44 1/2 In OD
  • Item # 2RB82
  • Mfr. Model # 2RB82
  • 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,12 In High
  • TM

    Grainger Choice

  • DAYTON
  • Roof Curb, 12 In High Roof Curb,12 In High
  • Item # 4HX48
  • Mfr. Model # 4HX48
  • Roof Curb, Fixed, Nonventilated, Inside Square 21 1/2 In, Outside Square 24 1/2 In, Curb Height 12 In, 18...More

Results per page:  16 | 32 | 48

A nonventilated roof curb from Grainger can support a fan or ventilator on a flat roof, helping to create compatibility between ventilator, curb and roof opening on commercial and industrial buildings. Nonventilated roof curbs can provide prefabricated, leakproof support for flat roof decks. Choose from canted or straight-sided roof curb styles in adjustable and fixed widths and various curb heights and square sizes. Shop Grainger today for the nonventilated roof curb that will help you complete your HVAC repair or installation.

Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More