📐 ASTM A653 8"-12" Galvanized Z-Purlins (12-16 Ga), 5'-0" Spacing & Roof Snow

PEMB Cold-Formed Z-Purlin & Girt Calculator

Size secondary light-gauge cold-formed steel framing for metal buildings under AISI S100: calculate 8", 9.5", 10", and 12" continuous overlap Z-purlins (12 to 16 gauge at 4'-0" to 5'-0" on-center spacing across 20'-30' frame bays resisting roof snow and wind uplift), C-channel wall girts, and framing margins.

1. Project & Operating Inputs

Roof & Wall Surface Area (Square Feet e.g. 35,000 Sq Ft)

Purlin/Girt Spacing (Feet e.g. 5.0 ft On-Center)

Customer Invoiced Bid Price ($ / Sq Ft Installed e.g. $4.85/SqFt)

Galvanized Z-Purlins, Sag Rods, Flange Braces, Hardware & Labor ($ / Sq Ft)

2. Financial Breakdown & Yield

AISI COLD-FORMED Z-PURLINS

Turnkey Secondary Steel Profit

PEMB Erector Gross Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost