MIO Roof Rigger MAXI 3X8

3 x 8 Model

The MIO Roof Rigger – 3×8 Model is a professional-grade mobile anchorage system designed to provide a safe, secure anchor point for suspended workers using a bosun’s chair.

Built with a proven triangular aluminum frame design, this model offers exceptional strength and stability while remaining easy to transport and assemble. It is widely trusted by professionals for its durability, quick setup, and compliance with industry safety standards.

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Key Features & Benefits

• Mobile anchor point designed for suspended work applications
• Triangular frame design for superior strength and stability
• Tool-free assembly and disassembly in minutes
• Transportable design fits easily into elevators and roof hatches
• Lower beams lift quickly to clear vent pipes and rooftop obstructions
• Durable aluminum construction for long-term professional use
• Chosen by professionals worldwide for ease of setup and dependable performance

How It Works

The MIO Roof Rigger is rolled into position on the rooftop to create a transportable anchorage point. Counterweights provide stability, while pneumatic rubber tires allow smooth positioning. Once placed, the forged eyebolt anchor point supports suspended work within rated load limits.

Specifications

• Overall Length: 132 inches
• Outreach: 3 feet
• Span (front to rear wheels): 8 feet
• Unit Weight: 156 pounds
• Counterweight: 378 pounds (9 weights @ 42 lbs each)
• Distance from Roof to Anchor Point: 86 inches
• Inside Parapet Wall Clearance at Shoulder: 70 inches
• Number of Tires: 4 (13” pneumatic rubber)
• Counterbalance Safety Factor: 4:1
• Maximum Working Load: 250 pounds
• Working Load with Tools: 300 pounds
• Tested Static Load (CAL OSHA): 1000 pounds
• Forged Eyebolts for Tie-Back: 1/2” diameter
• Locking Brakes: Front and rear wheels (2”)
• Construction: Aluminum

Compliance & Safety

• OSHA compliant
• CAL OSHA compliant
• ANSI compliant

Available Options

• Available in 3 frame lengths to fit various roof designs
• Available with 2 ft or 3 ft outreach options

Best For

• Professional window cleaners
• Suspended access and rope access professionals
• Building maintenance and façade work
• Jobs requiring extended outreach from a rooftop anchorage

Important Notes

Replacement pins and wheels are available.

All MIO Roof Riggers are special order items and are not available for overnight or 2-day shipping.

All MIO Roof Riggers ship freight free to continental U.S. commercial addresses with a loading dock or forklift. Liftgate service is additional. Residential deliveries may incur extra charges or require terminal pickup.