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