Vented Galvanized Roof Curbs

SKU#:

VENTED GALVANIZED ROOF CURB

  • UL762 requires vents and minimum 40” from roof to outlet.
  • Curb height varies to meet UL762 (see table below).
  • RCGV are 18” high.
  • RCGVL are 12” high.
  • RCGVH vary to meet UL762.
  • 18 gauge galvanized steel construction.
  • 1 3/4” flanges.
  • Non-insulated.
  • Shipped fully assembled.
Part #Part #UL762 Curb HeightCurb OD
Dimension sq
Curb fits Models  
Vented 18" high (RCGV)
Vented 12" high (RCGVL)
To meet UL762 
RCGV17.5 / RCGVL17.5RCGVH17.527"17.5"A2X105, A2X120, ALX105, ALX120, SD-SDUB-10, SD-SDUB-12 
RCGV19.5 / RCGVL19.5RCGVH19.525"19.5"A2X135, A2X150, ALX135, ALX150, SB-SBRM-13, SD-SDUB-30, SD-SDUB-33, SD-SDUB-50, HRE-13, ALX105-C2, ALX105-C2 
RCGV23.25 / RCGVL23.25RCGV23.2518"23.25"ALX165, SB-SBRM-15, SD-SDUB-85, HRE-16, ALX135-C2, ALX150-C2, ALX180-C2 
RCGVH23.321.5"23.25"A2X165 
RCGV26.5 / RCGVL26.5RCGV26.518"26.5"ALX180, SB-SBRM-18, HRE-20, ALX165-C2 
RCGVH26.620.5"26.5"A2X180 
RCGV31.5 / RCGVL31.5RCGV31.518"31.5"ALX210, ALX245, SB-SBRM-24, HRE-24 
RCGVH31.519"31.5"A2X210 
RCGV38.5 / RCGVL38.5RCGV38.518"38.5"SB-SBRM-30, AXL210-C2, ALX245-C2, ALX300