Pre-engineered Steel Buildings

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Pre-Engineered Steel Building System

Also known as: Pre-eng building, Prefab Building, Metal Building, Metal Building Kit, Metal Building System, Steel Building Kit, Steel Building System

Pre-engineered Steel Building Diagram

Bay Spacing – Each space or interval between the rigid frames.

Sidewall Column – Main member used in vertical support position to transfer loads from main purlins or rafters into the foundation.

Eave Height – Vertical dimensions from finished floor to eave.

Eave Purlin – Structural member located at the eave of a building that supports roof and wall paneling and may transfer bracing loads to frames.

Endwall – Exterior wall that is parallel to the interior rigid frame.

Endwall Column – Vertical member located at the endwall of a building that supports the girts.

Girt – Horizontal structural member that is attached to sidewall or endwall columns to support paneling.

Girt Clips – Connection clips used to attach the back side of a panel to a structural beam.

Ridge – Horizontal line formed by opposing sloping sides of a roof running parallel with the building length. Generally the highest point of building without parapet walls.

Rigid Frame – Structural frame consisting of members joined together with moment connections to render the frame stable with respect to the design loads, without the need for bracing in its plane.

Roof Purlin – Horizontal structural member that supports roof covering.

Sidewall – Exterior wall that is perpendicular to the frames of a steel building system.

Primary Framing Options for Pre-Engineered Steel Building Systems

Primary frames are designed for full bay loading and span the width of a building. For the pre-engineered systems these primary members are typically I-beams. Frame systems include clear-span, multi-span and lean-to frames in tapered or straight format. Each steel frame system is custom engineered to meet specifications and local building codes.

Tapered Frames vs. Straight Frames: The tapered frame is generally used in column free applications from 40’ to 250’. The straight column rigid frame is designed for maximum efficiency of interior space. Building widths up to 250’ are available with the option of straight columns instead of tapered columns. Lean-to structures are also available for future expansion or additional space if the original main structure had been designed to support the additional load of a lean-to.

Crane Buildings: Crane buildings are complex PEMB or hybrid structural building systems consisting of the crane with trolley and hoist, crane rails, and crane runway beams, structural supports, stops and bumpers.

Gable Clear Span Primary Frame

Clear span frames are column-free interiors that provide the space required for material handling and crane systems. Common uses include warehouses, manufacturing facilities, aircraft hangars, arenas, and indoor sports complexes. Clear Span Frame can also be single slope.

Single Slope Clear Span Frame

Single Slope Clear Span Frame is great for providing unbstructed interior space without columns in the center of the structure. Single Slope Clear Span frames are often pair with parapet walls.

Multi-span Primary frames

Multi-span frames are used for wide buildings that are supported by using the minimum number of columns. Common uses include manufacturing plants, warehouses, and retail stores. By strategically placing columns in the interior of the structure, there could be substantial cost savings as it would decrease the size of the ibeam and decrease the amount of steel used.

Lean-To Primary frames

A lean-to frame typically has a single slope profile and straight sidewall columns and must be supported by an attachment to another frame.

Bracing Systems

Bracing transfers seismic and wind loads from endwalls and sidewalls to the foundation. It is necessary in every pre-engineered building system.

Rod Bracing

(also called X-bracing) is a tension-only bracing system. It may be located in the roof and walls of a building between frame members, transferring longitudinal forces to the foundation.

Portal Bracing

When bracing must occur in locations where doors or other accessories would interfere with rod-bracing, a portal frame may be used. A portal frame is comprised of two columns and a rafter made of built-up material and is attached to the web of the sidewall columns.

Flange/Cable Bracing

Structural members that attach purlins, girts, and eave struts to primary structural members. They are used to prevent the main frame from twisting or buckling laterally under the load. Flange braces can also be very useful as an erection aid to align the purlins and eave struts. Purlin bracing is an angle that connects the bottom flange of adjoining purlins to prevent purlin roll.

Adelyn L.

00:22 20 Mar 23

We bought our metal building for our barndominium from Western Steel and they were so great to work with! Jayson was our project manager and he answered every question we had throughout the process. We had problems when the building was delivered with some pieces being missing, but we called and they had the rest of the pieces to us within a week. Definitely recommend working with Jayson and Western Steel.

Reme P.

21:50 30 Jan 23

I researched companies and options a lot before choosing Western Steel. They were referred to me by a contractor friend that has used them exclusively. Now I know why. They delivered at least six-weeks sooner than other companies were quoting, have a fantasic customer service mentality, and quickly resolved a design misunderstanding. I've since referred Western Steel to two others. Yes, I will use them again!

Paul M.

19:26 13 Dec 22

Sean did a great job providing information early and often; very proactive. Ultimately we went another direction but appreciate their Western's professionalism and assistance in scoping out planning factors.

Scott E.

12:42 23 Sep 22

Utilizing Western Steel Buildings for our project was a life saver. They were quick, detailed and helpful. All questions were answered appropriately and they really assisted through every step of the process. Definitely would use them again on the next project.

Cooper W.

23:39 20 Aug 22

I had heard about Western Steel though working in the construction industry around Utah. I was lucky enough to run into Kai at a jobsite here in Park City and we had a wonderful discussion about my future project in Montana. He even gave me a cool hat! I was sent a quote the very next day. I will continue to work with Western Steel on my project because of there professionalism, generosity and the fact they are local.

Octavio S.

15:09 13 Aug 22

Western Steel has been great to work with. We have worked with them on several projects now and bid on several more together. We continue to use Western Steel and Mark Blume (Manager) on all our current and future metal building needs. I would strongly recommend them for your metal building needs. You will get a good manager that is experienced and most of all will give you a good price and quality service. I give them 5 stars and well earned. Thank you. - A5 Des+Con, Tucson, AZ

Dave L.

19:37 11 Aug 22

Western Steel and Mark have been absolutely amazing to work with. I used them when I built my home shop and we are now adding onto our business. They have been very helpful throughout the whole process and extremely fair!

Lindsay L.

16:13 18 Jul 22

I am a commercial project manager that has now completed multiple projects with this company and Mark Blume is by far the most detailed and organized collaborator I have had the pleasure of working with. He gets the job done and doesn't quit till we are 100% satisfied, thank you again! We can't wait to do more projects with his team in the future!

mike M.

19:17 12 Jul 22

My experience with Western Steel Buildings thus far has been nothing short of fantastic. I've had to send them multiple last minute changes which they have quickly and expediently handled. My sales rep, Mark Blume, has gone above and beyond normal expectations in delivering everything I have asked for. Western Steel Buildings really is the best.

Nikki H.

20:11 11 Jul 22

Western Steel Buildings is a great company to work with. We worked personally with Kai Czajka and Ben. They were able to meet our time schedule and when we needed advice on the project they were quick to help us get a resolution. I would recommend Western Steel Buildings to any one who is looking at steel buildings as they were a pleasure to work with.

Taylor Reece C.

02:14 02 Dec 21

Marcus Hensel is someone that everyone should have on their team. He is super transparent and has great communication skills. From the first time we spoke to now we have grown a great relationship that I am the beneficiary of. He always answers his phone and always has the clients interest in mind. I am glad he’s my contact to the company!’

Dylan S.

21:03 27 Sep 21

Aaron, Ben and the whole Western Steel family took extremely good care of us. From day 1 until now, they have provided excellent communication, service and quality materials. I wouldn't buy a building from any other company. They exceeded our expectations and I would highly recommend them to anyone I know. A+

Schyler P.

21:35 14 Sep 21

Been working with Mark Blume on a number of buildings and he is top notch. What I like most is knowing I'm working with someone that is honest, straightforward, and truly wants to make sure I am getting the right building and value for my project.

Gill B.

16:50 26 Nov 18

Western Steel Buildings is very good to work with. I'm very happy with the building. I did some parts of the construction myself and subcontracted some parts. They were helpful in that process. Everything was there in the first shipment, which turns out to be important when your subcontractor is on site with a crew and ready to go.

Rodger C F.

17:24 14 Jul 17

The Salt Lake Astronomical Society purchased a steel building from Western Steel Buildings. It is 45'X25'X10'high sitting on top of 8-foot high concrete walls. The building houses the largest amateur telescope in the world and the choice of building was perfect for our needs.Western Steel Buildings was very good to work with and the building was very cost effective. I am very pleased with the quality of the building, its looks and how easy they made the purchase and construction phase. They lined up the contractor to erect the building and that company did an excellent job.I won't hesitate to once again purchase from Western Steel Building when we have additional needs

Pre-engineered Steel Buildings

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