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Rappel Towers

Rappel towers are platforms used to safely practice rappelling. In addition to recreational uses, first responders and military personnel utilize rappel towers as part of their tactical training. At Porta-King, we ensure safety and longevity of your structure with rappel towers that are built to last. They can be installed anywhere and are perfect in areas where access to a natural rappelling structure is not practical.

Our High-Strength Steel Rappel Towers Provide Unparalleled Support

Our rappel towers are made entirely of high-strength steel. This includes structural steel tube columns, horizontal I-beams, and sturdy support frames. At Porta-King, we guarantee rappel towers that meet the following standards:

  • Code Compliance – All structures are designed to meet the latest version of the IBC code to ensure safety.
  • Longevity – We build our structures from standard galvanized steel components to resist corrosion for long life.
  • Rigid Support Structure – Our towers are constructed from steel, with heavy duty angle bracing for wind and seismic and lateral loads.
  • Secure Guard Rails and Surfaces – We construct fully welded stair and guard assemblies and us structural grade bar grating for the deck surface. The rappelling surface consists of ¾” treated plywood with a structural steel tubing support frame.

Custom Options are Available to Meet the Needs of Your Facility

At Porta-King, we adjust the designs of our prefabricated towers to meet your unique needs. We have several custom options available.

  • Floor mounted rappel hooks
  • Overhead structure for helo drops
  • Custom aluminum signage
  • Operable hatches for floor drops

Video Gallery

On site off-loading and installation of a Porta-King Building Systems’ prefabricated Durasteel Guard Building. This Porta-King prefabricated building features custom exterior wall panels and an integral, factory plumbed restroom. The building arrived at the job site on a flat bed truck as a completely fabricated, pre-wired and plumbed unit. The off-loading and installation was accomplished in a matter of a few hours and was lifted from overhead using the crane and optional roof mounted lifting lugs.


Porta-King has the Production Capacity and Onsite Support You Need.

We have experience in the public and private sector. Plus, we have the space, support, and materials you need to provide top-notch training. With Porta-King, you can expect the following:

  • 15 years of tower design, fabrication, and installation experience
  • 160 square feet of manufacturing space
  • Regional offices throughout the United States that provide product review, design assistance, and installation support on-site
  • Unlimited design capabilities, including custom designs and finishes
  • Easy to assemble designs, with components pre-installed at the factory to speed up the installation process

At Porta-King, and we customize and build prefabricated structures your team can rely on.

Frequently Asked Questions

What is the maximum height of Porta-King’s rappel towers?

Porta-King’s rappel towers are engineered to reach an impressive maximum height of 70′, providing an optimal platform for rappelling training and exercises. These towering structures offer a variety of rappelling scenarios and challenges, ensuring that personnel can effectively develop and hone their skills. For comparison, Porta-King’s band and sport video towers have a maximum height of 52′. When selecting a rappel tower, it’s crucial to consider the specific height requirements of your training program and choose a solution that offers the best possible range of rappelling experiences.

Why do Porta-King’s rappel towers have stairways wrapped around the outside?

Porta-King’s rappel towers are designed with stairways wrapped around the exterior of the structure to maximize the usable deck area at the top. By positioning the stairs on the outside of the tower, the entire top deck remains unobstructed, providing ample space for equipment, personnel, and training activities. This innovative design feature ensures that the stairs do not intrude into the valuable deck area, allowing for optimal functionality and efficiency. The external stairway also adds to the overall stability and aesthetic appeal of the rappel tower, creating a cohesive and professional appearance that complements any training facility.

What is the largest deck size available on Porta-King’s rappel towers?

To maintain structural integrity and optimize functionality, Porta-King generally limits the rappel tower footprint to 18′ x 18′. This size maximizes stair economics and allows for a stable, four-column design. While larger deck sizes are possible, they may require additional columns and the potential for a column to protrude through the deck, as determined by engineering requirements. Porta-King’s rappel towers are designed to provide ample space for rappelling equipment, personnel, and training exercises, ensuring that participants have the necessary resources to effectively develop their skills. When selecting a rappel tower, it’s essential to consider your specific space requirements and choose a solution that offers the ideal balance of functionality and structural integrity.

Why are Porta-King’s rappel towers galvanized instead of painted?

Porta-King’s rappel towers are constructed with a galvanized finish to provide superior durability and longevity in outdoor applications. Unlike painted finishes, which are prone to rusting over time, galvanized steel offers unparalleled resistance to corrosion and weathering. By choosing a galvanized finish, Porta-King ensures that their rappel towers maintain their structural integrity and professional appearance for years to come, even in harsh outdoor conditions. This commitment to quality and durability is a testament to Porta-King’s dedication to providing their customers with reliable, long-lasting training solutions that deliver exceptional value and performance.

How much welding is required during the installation of Porta-King’s rappel towers?

One of the key advantages of choosing Porta-King for your rappel tower is the elimination of on-site welding during the installation process. Porta-King’s rappel towers are designed for completely bolted construction, ensuring a seamless and efficient installation that saves valuable time and money. By eliminating the need for welding, Porta-King’s towers can be installed quickly and easily, without the need for specialized equipment or skilled welders. This bolt-together design not only streamlines the installation process but also allows for greater flexibility in terms of future modifications or expansions. With Porta-King, you can enjoy significant savings on installation costs while benefiting from a high-quality, durable structure that meets your specific training needs.

Rappel Towers

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Rappel Towers

Design & Construction Options

Our towers are designed to create highly functional structures that can be used anywhere in the world. The pre-engineered components that we provide to construct our towers are designed to be easy to erect so your time of construction is dramatically reduced when compared to conventional construction. Porta-King Towers are constructed of the highest quality american materials to provide the most durable structures that will provide years of trouble free service.