B-Line Eaton series strut back-to-back welded channel, 1.62" channel height, 120" channel length, 1.62" channel width, 12 Gauge steel, B22 channel typ

Pre-galvanized (sometimes called GLV or electro-galvanized mill finish) is a shop-coated steel meant for dry indoor work: mechanical rooms, ceilings, interior walls. The B22A-120GLV carries that pre-galvanized finish on steel. For rooftops, parking structures, exterior runs or corrosive/wash-down areas, specify hot-dip galvanized after fabrication or stainless channel instead, because the cut ends and welds on a pre-galvanized stick are bare steel and will rust.

A full 120 inch stick of B22A-120GLV weighs 38.2 lb. That is a two-hand carry for one person and a real consideration when you are lifting sticks overhead on a lift or stacking a bundle on a scissor lift deck. Figure that weight per stick when you calculate deck loads or a trapeze hanger's own dead load.

The B22A designation is the slotted version of B-Line's back-to-back channel. The A suffix means the channel is punched along its length, so you can bolt through at intervals instead of drilling on site. If you want a solid, unpunched back-to-back section, order plain B22 rather than B22A.

It is. B22A-120GLV is 12 gauge steel, the heavier of the two common strut gauges, and doubling it back-to-back adds substantially more section than a single stick of the same gauge. Electricians and mechanical contractors use this combination for longer trapeze spans, heavy conduit racks and cable tray supports where a single 14 gauge channel would deflect.

Ask for Eaton B-Line B22A-120GLV. That breaks down as B22 channel type, A for punched channel, 120 for the 120 inch length, and GLV for the pre-galvanized finish. It is a single catalog number, so there are no separate finish or length options to specify beyond it.

Yes, the 120 inch sticks are routinely cut to length with a band saw, chop saw with a metal blade, or portaband. It is 12 gauge steel, so it cuts cleanly but takes a proper metal blade. Since the finish is pre-galvanized, hit the cut ends with a cold galvanizing compound or a zinc-rich paint, and cap the ends where they are exposed.