A straight-sided roof curb intended for use on flat roofs. Includes a wood nailer for roofing material attachment.

• 12 to 42 in. heights
• 2 in. flashing flange

A canted roof curb intended for use on flat roofs.

• 8 to 20 in. heights
• 1 1/8 in. flashing flange

A raised canted roof curb intended for use on flat roofs.

• 8 to 20 in. height
• 1 1/8 in. flashing flange

A straight-sided roof curb intended for use on ridged or double-pitched roofs.

• 12 to 24 in. heights
• 2 in. flashing flange

A straight-sided roof curb intended for use on pitched roofs.

• 12 to 24 in. heights
• 2 in. flashing flange

A straight-sided, ventilated roof curb intended for use on flat roofs.

• 24 or 30 in. heights
• 5 in. flashing flange

A straight-sided roof curb intended for use on ridged or double-pitched roofs in high wind or seismic applications.

• 8 to 24 in. heights
• 5 in. flashing flange

A straight-sided roof curb intended for use on pitched roofs in high wind or seismic applications.

• 8 to 24 in. heights
• 5 in. flashing flange

A straight-sided roof curb intended for supporting heavy load equipment on flat roofs.

• 12 to 24 in. heights
• 5 in. flashing flange
• Compression loads exceeding 1,000 lbs.

A straight-sided roof curb intended for supporting heavy load equipment on flat roofs in severe duty, high wind, and seismic applications.

• 12 to 24 in. heights
• 5 in. double flashing flange

A straight-sided roof curb intended for use on flat roofs.

• 8 to 42 in. heights
• 5 in. flashing flange

A canted, sound attenuated roof curb intended for use on flat roofs.

• 18 in. height
• 1 1/8 in. flashing flange

A canted, sound attenuated roof curb intended for use on flat roofs where the curb body is recessed into the roof achieving a lower overall height.

• 18 in. height
• 1 1/8 in. flashing flange

A straight-sided, sound attenuated roof curb intended for use on ridged or double-pitched roofs.

• 18 in. height
• 2 in. flashing flange

A straight-sided, sound attenuated roof curb intended for use on pitched roofs.

• 18 in. height
• 2 in. flashing flange

A straight side, sound attenuated roof curb intended for use on flat roofs.

• 18 in. height
• 2 in. flashing flange

Model ATE is a sound attenuated curb extension designed to provide additional height to standard roof curbs and reduce fan sound traveling through the ductwork.

• 12 to 24 in. heights

Model GPEX is a curb extension designed to provide additional height to standard roof curbs.

• 12 to 24 in. height

Model GPE is a curb extension providing additional height to standard roof curbs. Units feature an access door to provide easy access to the damper and damper actuator.

Model GESS is an equipment support for use on a non-insulated flat roof.

• 8, 12 or 14 in. heights
• 4, 6, or 8 in. widths

Model GESR is an equipment support for use on insulated flat roofs.

• 8, 12 or 14 in. heights
• 4, 6, or 8 in. widths

Model ISB is a curb extension featuring an insect screen designed for applications where the building must be completely free of insects. Food processing is a typical setting for this product.

• 6 in. height

Model VCE is a vented curb extension typically used in kitchen applications. When used with an 8 in. high roof curb and Greenheck models CUBE, CUE, or USGF, this extension provides the required 40 in. minimum discharge height above the roofline per NFPA 96.

Roof curb adapters adjust the standard fan curb cap dimensions to match non-standard or existing roof curb size.