Rohn SB65GH 65G Tower Short Base Section

Short Base Section Designed for 65G Tower Embedment

The Rohn SB65GH is a 5-foot short base section specifically designed for embedding into a concrete foundation as part of a 65G tower installation. This foundational component anchors the tower into the ground and provides a secure flange mount for connecting standard 10- or 20-foot tower sections. Engineered to serve as the structural transition from the earth to the steel tower, this short base is a critical part of any guyed, self-supporting, or bracketed 65G tower configuration.

Engineered for Secure Concrete Embedment

The SB65GH is embedded into a pre-dug hole and secured with poured concrete, creating a stable and load-bearing connection point for the tower structure. Once cured, the concrete locks the base into place, distributing both vertical and lateral loads safely into the ground. The heavy-duty steel construction ensures the base can handle the stress of tall towers, wind loads, and equipment weight above.

Built for High-Stress Structural Demands

With 1.90" outer diameter tubular steel side rails and solid 5/8" steel rod bracing, the SB65GH delivers exceptional durability. The 24-1/4" equilateral triangular design offers consistent structural performance, helping to maintain tower integrity over time. This design supports height extensions, equipment mounts, and long-term reliability in high-load conditions, including microwave, broadband, and broadcast installations.

Supports Guyed, Self-Supporting, and Bracketed Configurations

The SB65GH forms the foundational base for 65G towers used in various configurations. As part of a guyed structure, it supports tower heights up to 500 feet, provided guy wire spacing and tensioning follow ROHN specifications. For self-supporting and bracketed designs, allowable height depends on antenna loading and environmental conditions outlined in the ROHN engineering guidelines.

Precision-Formed Flange Connection for Tower Sections

This short base section includes a four-bolt flange interface, ensuring accurate alignment with 65G tower legs. It allows for quick, secure attachment of the first full-height tower section and ensures continuity of the load path from the tower mast to the concrete-anchored base. The bolt pattern ensures proper orientation, and assembly can be performed efficiently on-site.

Trusted for Telecom, Broadcast, and Utility Applications

The SB65GH is used across a broad range of professional installations including telecommunications, wireless internet, public safety, and electrical utility networks. Its robust construction and proven design make it a foundational choice for contractors and engineers tasked with building mission-critical vertical infrastructure.