Galvanized Roof Curb

SKU#:

GALVANIZED ROOF CURB

  • Galvanized roof curbs - non-vented - for 300, 700, SIS, ALX, SB-SBRM & SD-SDUB series (Non-vented) 18” High (RCG) or 12” High (RCGL).
  • RCG are 18” high.
  • RCGL are 12” high.
  • 18 gauge galvanized steel construction.
  • 1 3/4” flanges.
  • Insulated curbs available (RCGI or RCGLI).
  • Shipped fully assembled.
Part # (Non-Insulated)Part # (Insulated)Curb OD Dimension sqCurb fits Models 
RCG17.5 / RCGL17.5RCGI17.5 / RCGLI17.517.5"ALX105, ALX120, SD-SDUB-10, SD-SDUB-12 
RCG18.5 / RCGL18.5RCGI18.5 / RCGLI18.518.5"307 
RCG19.5 / RCGL19.5RCGI19.5 / RCGLI19.519.5"ALX135, ALX150, SB-SBRM-13, SD-SDUB-30, SD-SDUB-33, SD-SDUB-50, ALX105-C2, ALX120-C2 
RCG22.5 / RCGL22.5RCGI22.5 / RCGLI22.522.5"309,709,SIS-09 
RCG23.25 / RCGL23.25RCGI23.25 / RCGLI23.2523.25"ALX165, SB-SBRM-15, SD-SDUB-85, ALX135-C2, ALX150-C2, ALX-180-C2  
RCG26.5 / RCGL26.5RCGI26.5 / RCGLI26.526.5"ALX180, SIS-10, SB-SBRM-18, ALX165-C2 
RCG30.5 / RCGL30.5RCGI30.5 / RCGLI30.530.5"312,712,715, SIS-12, SIG-12, SIG-15 
RCG31.5 / RCGL31.5RCGI31.5 / RCGLI31.531.5"ALX210, ALX245, SB-SBRM-24 
RCG34.5 / RCGL34.5RCGI34.5 / RCGLI34.534.5"315,718,SIS-15,SIS-18 
RCG38.5 / RCGL38.5RCGI38.5 / RCGLI38.538.5"318, SB-SBRM-30, ALX210-C2, ALX245-C2, ALX300 
RCG42.5 / RCGL42.5RCGI42.5 / RCGLI42.542.5"SIS-20, ALX360, SB-SBRM36 
     
Please note Galvanized Curbs (RCG's) are for UL 705 only. For US 762 the curb must be vented and be a minimum of 40" from roof to outlet - use RCGV curbs.