Ordering Custom Metal Barrier Arms and Enclosures: A Buyer's Guide

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To order a custom metal barrier arm, you provide the site dimensions, the lane width, the mounting method and the intended use, then receive a drawing and written specification for approval before production. Custom enclosures are ordered the same way, with the housing sized around the operator, the power supply and the weather exposure of the site. Working from a measured drawing prevents mismatches at installation.

What information to prepare before you order

Before contacting a manufacturer, gather the details that decide the design. Measure the lane or entrance width, the height of the opening, and the surface where the barrier will sit. Note whether the site is open to rain, salt air or dust, since this affects the finish you should request.

Clear width and height of the passage
Type of surface and mounting condition
Expected traffic and how often the arm opens
Power source and where cables enter
Photos of the location from several angles

Clear information at this stage shortens the back-and-forth later.

Measurement and site survey

Made-to-measure work depends on accurate measurement. At Techno Kol Uzi, the process includes an on-site visit so that the arm length, the enclosure footprint and the anchoring points are checked against the real conditions rather than estimated from photos.

During the survey, the team confirms that the chosen arm length suits the lane, that the base sits level, and that there is room for service access. Any obstacles such as curbs, drainage or nearby walls are noted so they appear on the drawing.

Drawings and written specification

After measurement, you receive a drawing and a written specification. The drawing shows the overall dimensions, the arm profile, the enclosure shape and the fixing points. The specification lists the materials, the finish and the components to be supplied.

Read both documents carefully. Confirm that the dimensions match your site notes, that the finish is the one you want, and that installation responsibilities are clear. Ask about anything that is unclear before you give approval.

Client approval before production

Production starts only after you approve the drawing and specification in writing. This step protects both sides: changes are cheap at the drawing stage and costly once metal has been cut and finished.

If you are a contractor or architect, share the approved drawing with the site engineer so that foundations, ducts and cable routes match the barrier layout. Any later change should be documented as a revised drawing.

Materials, finishing and durability

Barrier arms and enclosures are usually made from steel, aluminum or a combination of both. Steel offers strength for heavy arms, while aluminum keeps weight down and resists corrosion well. The choice depends on arm length, load and exposure.

Finishing matters for outdoor parts. Hot-dip galvanizing and powder coating are common protective treatments. Discuss with the manufacturer which finish suits your climate and how the enclosure will be maintained over time.

Production, delivery and installation

Once approved, the components are fabricated in the factory, finished, and prepared for transport. Checking fit-up in the workshop helps catch errors before anything reaches the site. Confirm with your manufacturer how installation is handled, whether by their team or by your own contractor, and what preparation the site needs beforehand, such as base plates or cable ducts.

Installation is simpler when the foundation was prepared to the approved drawing.

Frequently asked questions

Can a barrier arm be made to a non-standard length?

Yes, custom barrier arms are made to the measured clear width of your lane. The exact length is confirmed during the site survey and shown on the approved drawing.

Do I need a drawing before production starts?

Yes, a drawing and written specification should be approved before fabrication begins. This avoids costly changes once materials are cut and finished.

Which finish is best for an outdoor barrier?

Hot-dip galvanizing combined with powder coating is a common choice for outdoor exposure. The right finish depends on your site's weather and how often the barrier is used.

Who handles the installation?

This should be agreed in writing at the quotation stage. Some orders include installation by the manufacturer, while others are fitted by the client's own contractor.

Common mistakes to avoid

The most common error is ordering from rough estimates instead of a measured site survey, which leads to arms or enclosures that do not fit the opening. Approving a specification without checking the finish and fixing details also causes avoidable problems later.

Our recommendation

Measure the clear opening yourself, photograph the site, and request a survey before approving any drawing. Make sure the foundation and cable routes are finalized with the site engineer before production begins.

Summary

Ordering custom barrier arms and enclosures works best with accurate measurement, a clear drawing and written specification, and written approval before production. Preparation on your side keeps the process fast and the result accurate.

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