Zee Purlin

A versatile roof and wall support member.

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End Lapping Steel Support

Zee Purlins are secondary steel framing members used for roof and wall. Zee Purlins are commonly chosen for the ability to endlap. Available in red oxide or galvanized, Zee Purlins are available cut to length. Standard zees (symmetrical flanges) and LGSI zees (unsymmetrical flanges) are both available.

Zee Purlin Product Fze P001 Component Side Angle Red Oxide
Zee Purlin Product Fze P002 Component Front Red Oxide
Zee Purlin Product Fze P003 Component Front Angle Red Oxide
Zee Purlin Product Fze P004 Component Side Angle Galvanized
Zee Purlin Product Fze P005 Component Front Galvanized
Zee Purlin Product Fze P006 Component Front Angle Galvanized

Design & Size

Zee Purlin lengths are cut to length from 7′-45′ in 1/8″ increments, though 20′ and 25′ are the most commonly chosen lengths.


Width Varies by Use
Length: 7'-45' in 1/8" Increments

Gauge & Weight

16ga: Weight Varies By Profile
14ga: Weight Varies By Profile
12ga: Weight Varies By Profile

Warranty & Finish

Metal framing components carry no specific warranty. Finish options include red iron (red oxide) and galvanized. Red iron is the more common finish and typically available in more sizes and gauges.

Purpose & Use

Zee Purlins are secondary steel framing members almost exclusively used as roof purlins and wall girts on metal buildings.

One major benefit of Zee Purlins is their ability to end lap. Both standard zees and LGSI zees can be end lapped, though LGSI are easier due to their unsymmetrical flanges. Fastening is most commonly using bolts and/or brackets, though welding is applicable in some construction methods.



Red Iron (Most Common - AKA Red Oxide)
Galvanized (Verify Availability)

Available finishes vary by branch, size, and gauge. Color accuracy is limited by scanning and viewing conditions.


Primarily PDF downloads, these resources provide general, installation, and testing data.

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