Nucor Roof Curbs

Nucor Floating Curb -
For “Classic Roof”™ or “CFR”™ Panels

The Nucor floating curb is available for use on a standing seam roof with roof top units weighing less than 300 pounds total weight and on a classic roof with roof top units weighing less than 1,200 pounds total weight.

The floating curb is attached to the roof using self-drilling screws at 4” on center around the perimeter of the curb through the center of 2 ½” tape mastic. The opening sizes will vary based upon the model and size of the unit selected for your building. The roof top unit manufacturer and model number will be used when ordering the curbs and are required at the time the order is placed. Installation of the curb is recommended during the roof panel installation. These curbs are available unpainted only. They may be field painted to match the roof color if desired.

Nucor Floating Structural Curb - For “CFR”™ Panels Only

The Nucor floating structural curb is available for use on a standing seam roof only with roof top units weighing greater than 300 pounds and less than 6,000 pounds total weight. The structural curb is attached to sub-framing below the roof sheeting. The opening sizes will vary based upon the model and size of the unit selected for your building. The roof top unit manufacturer and model number will be used when ordering the curbs and are required at the time the order is placed. Installation of the curb is recommended during the roof panel installation. These curbs are available unpainted only. They may be field painted to match the roof color if desired.

For detailed information, refer to the Nucor Product & Engineering Manual:
Roof Curbs
Single Curb Manual
Double Curb Manual

975 E. Main St • Logan, OH 43138 • 800-853-8225 • Local: 740-385-0517
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Nucor Roof Curbs

Nucor Floating Curb - For “Classic Roof”™ or “CFR”™ Panels

Nucor Floating Structural Curb - For “CFR”™ Panels Only

Nucor Floating Curb -
For “Classic Roof”™ or “CFR”™ Panels