Product Description A horizontal structural member which supports roof covering and is in the shape of a “Zee”

Gauge: 16,14,13,12

Depth: 4″, 6″, 8″, 10″, & 12″

Finish: Red Oxide Primer & Pre-coated galvanized.

Fasteners: Bolts

Lengths: Up to 55′

Fabricated: At All Sites

Usages: Secondary member to support roof panels.


Designed to meet specific load criteria.

Purlin to Rafter with a Flange Brace




Depth Gauge
4″ 16,14,12
6″ 16,14,12
8″ 16,14,13,12
10″ 14,13,12
12″ 14,13,12


Feature Benefit
EZ purlin ?” variance in flange width & 50 degree angled stiffener lip. Allows easy placement of purlins and easy installation and greater stability.
Nominal purlin spacing of 5′ Economical Design
50+ combinations of size, gauge, spacing and lap length. Optimum design and economical pricing.
Continuous purlin lap lengths of 1′ 2 ?”, 2′ 5 ?”, 3′ 8 ?” Optimum design and economical pricing.
Pre-painted, factory baked red oxide finish. Smooth, attractive appearance, improved adherence & durability. Therefore, no paint sticking problems.
Purlin clips welded to frame. Rest point during erection, quicker erection, reduces purlin roll under heavy loading, & increases stiffness.
Optional Galvanized finish. Meets specifications, greater resistance to some corrosive atmospheres.
Tabbed sag angles are used with standing seam options/systems. Reduces purlin roll, increases stiffness, ease of erection, greater stability, and increased load capacity.
Easy purlin identification (triangle). Ease of Erection
Members of LGSI Meets Specifications
With a wider width and higher gauge zee-purlin, we can go to a longer bays up to 40′. Longer bay buildings, can be furnished with the advantages of a cold-formed zee-purlin.

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