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

• Up to 20 in. larger
• Up to 10 in. smalle

A sound attenuated curb extension designed to provide additional height to a standard curb while reducing the noise created by the equipment from entering the building.

• 18 to 24 in. heights

A straight-sided, sound attenuated roof curb for use on flat roofs. Includes a wood nailer for the attachment of roofing material.

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

A straight-sided, sound attenuated roof curb for use on pitched roofs. Includes a wood nailer for the attachment of roofing material.

• 18 or 24 in. heights
• 2 in. flashing flange

A straight-sided, sound attenuated roof curb intended for use on ridged or double-pitched roofs. Includes a wood nailer for the attachment of roofing material.

• 18 or 24 in. heights
• 2 in. flashing flange

Canted, sound-attenuated roof curb for flat roof applications. Integrated wood nailer supports roofing attachment, while cant design improves membrane transition and water management.

• 18 to 42 in. heights
• 1 1/8 in. flashing flange

A straight-sided curb for use on buildings constructed with metal roofing material (corrugated or standing seam). This curb can be pitched to match the roof slope.

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

A straight-sided equipment support for use on flat or pitched roofs. Includes a wood nailer for the attachment of roofing material.

• 8 to 18 in. heights
• 4, 6, or 8 in. widths

A canted equipment support for use on flat roofs. Includes a wood nailer for the attachment of roofing material. The cant aides in transition of roofing material.

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

Raised canted equipment support for flat roofs with integral wood nailer for roofing attachment. Available with up to 6 in. cant height to accommodate deck insulation.

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

• 12 to 24 in. heights

A curb extension designed to provide additional height to a standard curb.

• 12 to 24 in. heights

A straight-sided roof curb for use on flat roofs in high wind and seismic applications.

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

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

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

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

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

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

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

A straight-sided, vented roof curb for use on flat roofs in kitchen applications.

• 18 to 42 in. heights
• 2 or 5 in. flashing flange

A straight-sided, vented roof curb for use on pitched roofs in kitchen applications.

• 18 to 42 in. heights, varies by size
• 2 or 5 in. flashing flange

A straight-sided, vented roof curb for use on ridged or double-pitched roofs in kitchen applications.

• 18 to 42 in. heights, varies by size
• 2 or 5 in. flashing flange

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

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

A straight-sided roof curb for use on pitched roofs. Includes a wood nailer for the attachment of roofing material.

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

A straight-sided roof curb for use on ridged or double-pitched roofs. Includes a wood nailer for the attachment of roofing material.

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

Raised, canted roof curb for flat roofs with wood nailer for secure roofing attachment. Raised cant up to 6 in. accommodates deck insulation and improves water shedding.

• 8 to 42 in. heights
• 1 1/8 in. flashing flange

Canted roof curb for flat roof installations with integrated wood nailer for secure roofing attachment. Cant design improves membrane transition and water shedding.

• 8 to 42 in. heights
• 1 1/8 in. flashing flange

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

• 7 in. height

Pipe portal curb provides weathertight seal for roof penetrations, ideal for VRF systems. Boot seals up to five pipes; hood style allows field-cut openings for maximum flexibility.

A curb extension featuring vents along each side. Typically used in a kitchen application with a non-vented curb to provide an installation in accordance with NFPA 96.

• Height varies by size