Unistrut is the original metal framing system featuring a unique weldless connection. The Unistrut system eliminates welding and drilling, and is easily adjustable and reusable, for infinite configurations.

What weight can Unistrut handle?

Span (in)Max Allowable Uniform Load (lbs)Uniform Loading at DeflectionSpan /180 (lbs)96420250108380200120340160

Why is it called Unistrut?

It is the most prominent and widely-used brand of this material so, much like the widespread use of “Kleenex” to refer to all facial tissues or “Band-Aid” to refer to all adhesive bandages, the Unistrut name is frequently used to refer to all strut channel.

Where is strut used?

Strut channel is used to mount, brace, support, and connect lightweight structural loads in building construction. These include pipes, electrical and data wire, mechanical systems such as ventilation, air conditioning, and other mechanical systems.

Can you cantilever Unistrut?

RE: Cantilever Calculation for a Unistrut Beam If you are connecting to a 6″ wide flange you are going to be fine.

What are struts used for construction?

Strut and fittings are crafted into structures that are often used to support electrical conduit, cable trays, panel boxes, and other associated equipment using just a few tools. These structures also serve as a raceway for wiring and can provide support for lighting systems such as utility fixtures.

What is deep Unistrut?

The P5500 Series Unistrut Channel features solid and slotted 12 gauge channel that is 1-5/8″ wide x 2-7/16″ deep and is sometimes referred to as “deep strut”.

What kind of metal is Unistrut?

Most Unistrut Channel is available in Plain Carbon Steel, Perma-Green, or Pre-Galvanized finish. Other options include hot-dipped galvanized and special metals (aluminum and Type 304 & 316 stainless steel).

Can you weld Unistrut?

No Welding The Unistrut nut is designed so that normal pressure in installing it causes the nut to bite into and lock itself securely o the channel.

How much does Unistrut cost?

$52.95ea. Channel has a continuous slot with inturned edges. Secure attachments may be made to the framing member with the use of hardened, toothed, slotted nuts which engage the inturned edges and provide superior strength. Pre-Galvanized Zinc: Pregalvanized steel is zinc coated by a hot dip process.

Article first time published on

What is the strength of Unistrut?

Unistrut uses ASTM A1011 SS GR33 steel strip for forming channels. This material has virgin yield strength of 33,000 psi. Tests performed by Unistrut show that after cold-forming, strength has increased to 42,000 psi.

What is slotted Unistrut?

12 Gauge Slotted Strut Channel Commonly known as 12 Gauge Standard or Deep Slotted Channel, it is the global standard for strut metal framing. This channel is commonly used for trapeze supports, seismic bracing, ceiling grids, pipe, conduit, duct and cable tray supports, racks, and other general framing.

Can you bend Unistrut?

Unistrut can provide our channel curved to your specifications. Curved channel is commonly used for Trolley applications, or for mounting to curved roofs, ceilings or walls.

Can you stack Unistrut?

Unistrut P1001-3 (triple combination) is welded with three-channel for additional strength. This channel is ideal for supporting large loads across long spans, offers versatility with connection points at both ends, and avoids welding on the job site.

How do you cut Unistrut?

What can you use to cut Unistrut? There are plenty of choices to cut unistrut; you can use a band saw, reciprocating saw, hacksaw, and the drill machine. They are all the best ways to cut the unistrut but using a drill is the most exceptional way and simple way to cut the unistrut.

Do they make aluminum Unistrut?

Unistrut Metal Framing products are available in extruded aluminum. The aluminum fittings are ASTM B209 (Type 1100F or Type5052-H32). … The aluminum strut system uses stainless steel channel nuts and bolts for all connections.

How often does Unistrut need to be supported?

2 Answers. Support is required as specified for the conduit – unistrut does not make any difference in the required support spacing. For EMT, the required support is within 3 feet of each termination, and a minimum of every 10 feet.

What does span 180 mean?

Loads under the column headings of “Span/180″, Span/240″, and Span/360” are provided for installations in which deflection (sag) of the loaded Unistrut channel must be limited. … Actual deflection from these preset ratios equals the span (inches or feet) divided by the number 180, 240, or 360.

Is Unistrut paintable?

Although the factory finish is perfectly acceptable for most applications, there are also situations where painting with a custom color is needed to add a finishing touch. … For contractors needing a PDF for submittal purposes explaining how to paint Unistrut HG or PG, download our painting guide here.

What sizes do Unistrut come in?

The Unistrut Engineering Catalog’s table of contents features three different channel widths, or series, from which to choose: 1-5/8”, 1-1/4” (sometimes referred to as the A-series), and the miniature, 13/16” series.

Does galvanized steel rust?

Galvanised steel’s defining attribute is its layer of zinc coating, which forms a protective layer against the combination of moisture and oxygen that can otherwise cause rust to form on the underlying metal.

What is the difference between a strut and a tie?

All structures have forces acting on them. The part of the structure that has a tensile force acting on it is called a TIE and the part that has a compressive force acting on it is called a STRUT. The beam is held in position by a steel rod.

What animals have struts?

The Bird That Struts Its Stuff : NPR. The Bird That Struts Its Stuff The Greater sage-grouse is a large bird that makes its living in sagebrush habitats across the western U.S. and Canada.

Is Unistrut structural steel?

Mechanical Connections – The Unistrut Metal Framing connections are made with structural steel nuts and bolts installed with standard hand tools, thereby eliminating the need for special job site welding.

Who invented Unistrut?

Summary. Company established by Charles Attwood who was inventor and developer of a system of precast metal frame construction that came to be known as the Unistrut system. The company was originally known as Deceleco.

Where is Unistrut made?

Unistrut: Proudly Made in the USA.

Why is Unistrut green?

Due to the coating’s corrosion resistance, green coated strut is used in applications with exposure to common acidic atmospheres, solvents, and alkalis. … The green coating contains no toxic metals.

Is Unistrut weather resistant?

Unistrut Defender is designed for harsh environments, providing a service life between Hot-Dip Galvanized and stainless steel systems.

Will galvanized Unistrut rust?

HOT DIPPED GALVANIZED (HG) is used for both Unistrut channel and fittings, this is the chosen finish for where applications will be in a severe corrosion setting. … DF is much more corrosion resistant than HDG but significantly less expensive than stainless.

What is Kindorf?

Kindorf® channel is a rugged, heavy-gage structural-quality steel channel preformed in a “U” shape with a continuous open slot the entire length. The turned-in edges serve as retaining points for the nut and bolt assembly of fittings to the channel. … The nut rests on the “lips” of the channel slot.

How much does 7/8 Unistrut weigh?

Part NumberFinishWeight Per FootP3300 20DFDefender1.34