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Standard Curbs

Standard curbs are used for mounting many exhaust/supply fans and those units weighing less than 1000 lbs. Several models are available to ensure the perfect fit for each roof whether its flat, pitched, or ridged (double pitch).

OVERVIEW

GPI

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
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GPIP

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
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GPIR

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
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GPF

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
Purchase Options:
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Order now and we’ll ship within one business day. All products include free ground shipping.

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GPFP

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
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GPFR

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
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GPFV

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

  • 20, 24, 26, or 30 in. height, varies by size
  • 2 or 5 in. flashing flange
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GPFVP

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

  • 20, 24, 26, or 30 in. height, varies by size
  • 2 or 5 in. flashing flange
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GPFVR

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

  • 20, 24, 26, or 30 in. height, varies by size
  • 2 or 5 in. flashing flange
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GPS

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

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

A raised canted roof curb for use on flat roofs. Includes a wood nailer for the attachment of roofing material. The raised cant is available up to 6 in. tall for deck insulation.

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