Rohn BRM645M Non-Penetrating Roof Mount

Secure Antenna Installation Without Roof Damage
The Rohn BRM645M is a non-penetrating roof mount designed for safely installing antennas on flat rooftops without compromising the roof's integrity. Its design eliminates the need for drilling or permanent attachments, making it ideal for buildings where preserving the roof structure is essential. This mount provides a stable platform for various antenna types, ensuring reliable performance.​

Durable Construction for Long-Term Use
Constructed with a 4.5-inch outer diameter mast standing 45.75 inches tall, the BRM645M offers robust support for mounted equipment. The mast and base are hot-dip galvanized, providing excellent resistance to corrosion and extending the lifespan of the mount, even in harsh weather conditions.​

Ballast Tray for Stability Without Penetration
The mount features a 10-foot square base with a 16-inch tray designed to hold standard concrete blocks as ballast. This setup ensures the mount remains securely in place without the need for roof penetration, distributing weight evenly to maintain stability and protect the roofing material.​

Versatile Compatibility with Various Antennas
The BRM645M is engineered to support a range of antenna types, including PCS, DBS satellite, TV, radio, and microwave antennas. Its design accommodates different effective projected areas (EPA), depending on wind conditions and ballast weight, making it suitable for diverse installation requirements.​

Efficient Assembly with Minimal Hardware
Designed for quick and straightforward installation, the BRM645M requires minimal bolted connections. This feature simplifies the assembly process, reducing installation time and labor costs, which is beneficial for both temporary and permanent setups.​

Optional Accessories for Enhanced Roof Protection
To further safeguard the roof surface, optional accessories such as protective barrier pads and rubber mats are available. These additions provide an extra layer of protection between the mount and the roofing material, minimizing the risk of damage during installation and operation.​