The Mosmatic Roof Cleaner – DR 520 – 80.658 is a professional-grade, stainless steel surface cleaner engineered for safe and efficient rooftop cleaning. Built for industrial performance, this 21" unit allows operators to work confidently while standing securely on the roof ridge, reducing the need for scaffolding or ladders.

With adjustable height and wheel width, the DR 520 adapts to a wide variety of roof styles, offering improved stability and consistent cleaning results. A quad-bearing high-rpm swivel, precision-balanced rotor arms, and durable construction make this tool ideal for high-demand conditions. It supports pressures up to 4000 PSI and temperatures up to 250°F, compatible with hot or cold water systems.

This model includes features that enhance safety, control, and ease of use, such as a pressure gauge, integrated ball valve, and a safety eye for securing the unit with a rope or cable. Optional accessories like a pedal switch and extended height adjusters are available for added versatility.

Applications

• Residential and commercial roof cleaning

• Pressure washing pitched, flat, or corrugated roofs

• Industrial roof maintenance in harsh weather conditions

• Cold and hot water pressure washer compatible

Key Features

• Adjustable Height & Width: Wheel width up to 3.54", height adjustable by 1.3" to suit various roof profiles

• Quad-Bearing Swivel: High-rpm stainless steel swivel with 4 self-lubricating bearings and dual spring carbide seal for superior longevity

• Safety Eye: Easily secure the cleaner using a safety rope or cable for added operator protection

• Pressure Gauge: Monitor and maintain appropriate cleaning pressure for different roofing materials

• Ball Valve: Quickly shut off flow with a built-in valve for added convenience

• Precision Rotor Arms: Balanced and welded for consistent cleaning at high pressure

• Stainless Steel Construction: Built to endure rugged outdoor conditions and deliver long-term reliability

• Optional Accessories: 2.4" height adjusters for corrugated roofing and pedal switch for safe, hands-free on/off control

• Ready to Use: Fully assembled and designed for immediate deployment

Video

Included

Swivel: 1 x DYT 90° Degrees - Part No: 59.907

Rotor Arm: 2 x 1/8" NPTF - 2cw2 Rotor Arm 18.5" - Part No: 82.942

Pressure Gauge: Part No. 903.032

Ball Valve: Part No. 90.066

Optional Extras:

Height Adjusters: Long 2.4" (requires 4 pcs) - Part No. 904.351 (1 pc) - Part No. 904.351

Pedal Switch - Part No. 80.987

1/4" NPTF - 2cw2 Rotor Arm 18.5" - Part No: 82.975

Specs

Pressure: 4000 psi

Temperature: 250°F

Thread In: 3/8" NPTF

Height: 7.7-9"

Width: 21.6-25.2"

Diameter: 21"

Weight: 31.9lbs

The Mosmatic Roof Cleaner – DR 520 – 80.662 is a heavy-duty, industrial-grade surface cleaner engineered for high-performance roof cleaning. Built from stainless steel and designed to operate at pressures up to 7300 PSI, this unit ensures powerful and efficient cleaning while maximizing operator safety and stability.

The adjustable deck height and wheel width allow the DR 520 to adapt to various roof profiles, while the operator remains secure on the roof ridge. The unit is equipped with a quad-bearing high-rpm swivel, a pressure gauge for real-time monitoring, and a ball valve for quick shutoff—all contributing to exceptional control and cleaning precision under harsh working conditions.

The DR 520 supports both hot and cold water use and is compatible with additional accessories like extended height adjusters and a foot pedal switch for added safety and versatility.

Applications

• Professional roof cleaning on residential, commercial, or industrial buildings

• Safe cleaning on steep, pitched, or corrugated roofs

• High-pressure removal of dirt, moss, and debris

• Compatible with hot or cold pressure washing systems

Key Features

• Adjustable Deck: Height adjustable by 1.3" and wheel width up to 3.54", ensuring compatibility with various roof styles

• Quad-Bearing Swivel: High-rpm stainless steel swivel with four reinforced, self-lubricating ball bearings and dual spring-based carbide seal for extreme durability

• Safety Eye Hook: Attach a safety rope or cable to secure the unit during roof operation

• Pressure Gauge: Maintain precise cleaning pressure for different roofing materials

• Ball Valve: Quickly shut off water flow for control and convenience

• Precision Rotor Arms: Welded and balanced for even performance under high pressure

• Heavy-Duty Construction: Fully stainless steel for corrosion resistance and longevity in harsh environments

• Optional Accessories: 2.4" height adjusters for corrugated roofs and pedal switch for safe on/off flow control

• Ready to Use: Fully assembled and designed for immediate operation on the job site

Video

Included

Swivel: 1 x DYU - Part No: 59.916

Rotor Arm: 2 x 2cw2 Rotor Arm 18.5"

Pressure Gauge: Part No. 903.032

Ball Valve: Part No. 90.066

Optional Extras:

Height Adjusters: Long 2.4" (requires 4 pcs) - Part No. 904.351 (1 pc) - Part No. 904.351

Pedal Switch - Part No. 80.987

1/4" NPTF - 2cw2 Rotor Arm 18.5" - Part No: 82.975

Specs

Pressure: 7300 psi

Temperature: 250°F

Thread In: G1/4" F

Height: 7.7-9"

Width: 21.6-25.2"

Diameter: 21"

Weight: 31.9lbs

The Mosmatic 80.987 On/Off Pedal Switch is a safety-enhancing accessory designed specifically for the Mosmatic DR-520 Roof Cleaner. This optional foot-operated switch allows users to control water flow hands-free, helping to improve operational safety and precision during roof cleaning tasks.

Built with robust materials for durability in outdoor and high-pressure settings, the pedal features M22 x 1.5 male (inlet) and M22 x 1.5 female (outlet) threaded connections for seamless integration with your existing system. Ideal for professionals seeking added control without interrupting workflow.

Applications

• Mosmatic DR-520 roof cleaning systems

• High-pressure roof washing and surface cleaning

• Safety-conscious commercial and industrial cleaning operations

• Hands-free water flow control in elevated areas

Key Features

• Designed for the Mosmatic DR-520 Roof Cleaner

• Foot-operated for hands-free water flow control

• Thread Inlet: M22 x 1.5 Male

• Thread Outlet: M22 x 1.5 Female

• Enhances safety and precision during operation

• Built for durability in harsh outdoor conditions

Specs 

Threat IN: M22x1.5 M 

Thread OUT: M22x1.5 F

Weight: 31.0lbs 

Enhance the precision and adaptability of your roof cleaning system with the Mosmatic 904.351 Long Height Adjusters. Specially designed for the Mosmatic DR-520 Roof Cleaner, these durable height adjusters allow operators to fine-tune cleaning head elevation for optimal distance, safety, and cleaning performance on a variety of roof surfaces. Crafted with Mosmatic’s renowned quality and engineering, these long adjusters ensure reliable support and adjustability in high-demand environments. They help maintain consistent surface contact and prevent damage to both the equipment and roof material.

Applications

• Height adjustment for Mosmatic DR-520 Roof Cleaner

• Professional roof cleaning operations

• Pressure washing systems requiring surface clearance control

Key Features

• Designed specifically for the DR-520 Roof Cleaner

• Enables precise height control for optimal cleaning results

• Built for durability and easy adjustment

• Ideal for sloped or uneven roofing surfaces

• Supports safe and efficient roof cleaning operations

Specs 

Weight - 0.4lbs 

Mosmatic Rotor arms can withstand up to 7300 psi, are precision wielded and balanced. This rotor arm can be used on:

• Mosmatic Contractor Series Surface Cleaner
• Mosmatic Commercial Series Surface Cleaner
• Mosmatic Roof Cleaner

Mosmatic Rotor arms can withstand up to 7300 psi, are precision wielded and balanced. This rotor arm can be used on:

• Mosmatic Contractor Series Surface Cleaner
• Mosmatic Commercial Series Surface Cleaner
• Mosmatic Roof Cleaner