Long Bay® Secondary Structures
PRODUCT DESCRIPTION
A horizontal structural member which supports roof systems with virtual square shaped top and bottom chords.
Gauge:
16, 14, 13, 12
Depth:
12″ – 44″
Finish:
Gray primer
Fasteners:
A325 bolts per design
Lengths:
Up to 70′
Usage:
Secondary member to support roof systems
Limitations:
Designed to meet specific load criteria
Feature
Benefits
Bay spacing from 40′ to 70′
Opens long bay markets
Bolts to main frame
Faster, more precise installation
Design flexibility
Usable with tilt wall
Stiffer than bar joist
No warp or sweep, easier to erect
Lighter than bar joist
Easy to handle, maneuver, and set
Available with Double-Lok® standing seam roof
30-year roof life-cycle, 25-year factory warranties available
Available with “B” Deck for single-ply, built-up, EPDM roof
Design flexibility for conventional applications
Open-web purlin fabricated of light-gauge cold-rolled steel
Roofing systems attached with self-drilling screws
Less bridging and bridging attaches with self-drilling screws
Quicker installation
4″ top chord width
Stable platform for attachment of deck or clips
5″ seat depth
Can mix bays with standard Zee purlins