Malta Dynamics C7051 25-foot Vertical Lifeline Assembly – Complete PFAS Rope & Grab Kit
The Malta Dynamics C7051 25-foot Vertical Lifeline Assembly delivers reliable fall protection for workers operating at heights. This compact, all-in-one kit includes a 25-foot vertical lifeline, a high-strength rope grab, and an 18-inch shock-absorbing extension lanyard. Ideal for shorter roof slopes and residential applications, the C7051 ensures maximum safety and durability in a variety of elevated work environments. For longer spans, the Malta Dynamics C7050 50-foot Vertical Lifeline is available for extended reach.
Master the Vertical Lifeline.
Watch our technical guide to learn about the features of the Malta Dynamics C7051 25' Vertical Lifeline Assembly for OSHA-compliant fall protection.
Durable and Reliable 25-foot Malta Dynamics Vertical Lifeline
Constructed from heavy-duty three-strand white polyester, the Malta Dynamics C7051 is engineered to resist rot, mildew, alkalis, and industrial solvents. Its UV- and abrasion-resistant properties make it the perfect choice for outdoor roofing and construction projects. With a high melting point exceeding 300°F, it is built to withstand harsh job site conditions. The lifeline features professionally stitched ends protected by a plastic cap and an alloy steel snap hook for a secure 5,000-lb rated connection.
Malta Dynamics C7051 Integrated Rope Grab and Shock-Absorbing Lanyard
The manually operated rope grab included in the C7051 kit allows for precise positioning along the lifeline, enabling safe ascent and descent while maintaining a constant tie-off. The integrated 18-inch shock pack extension significantly reduces the impact forces exerted on the worker's body during a fall event. Fully compliant with OSHA 1926 Subpart M, OSHA 1910, ANSI Z359.1-07, and ANSI A10.32-12, this kit is rated for a worker capacity of 130–310 lbs including tools.
What's Included in the C7051 Kit?
- Safety Connector: One (1) Self-Locking Alloy Steel Snap Hook
- Lifeline: 25′ of 5/8″ Three-Strand Poly-Rope
- Positioning: One (1) Built-in Rope Grab
- Deceleration: One (1) Integrated Shock-Absorbing 18″ Extension Lanyard
Malta Dynamics C7051 Technical Submittal Data & Compliance Docs:
Download the official engineering specs and safety certifications for the 25-foot Lifeline Assembly:
- Malta Dynamics C7051 Instruction Manual – Full guide on rope grab orientation and knots.
- OSHA Lifeline Inspection Form – Essential interactive form for documented safety logs.
Malta Dynamics C7051 Vertical Lifeline FAQ
1. Is 25 feet enough for a standard residential roof?
A 25-foot lifeline is ideal for smaller structures, single-story homes, or ladder-access work. However, if you are working on a steep-slope roof or a multi-story building, you may need the Malta Dynamics 50-foot Vertical Lifeline to ensure you have enough rope to reach the ground or a safe lower level.
2. How do I know if the rope grab is installed correctly?
As demonstrated in the video above, the rope grab is directional. It features an arrow that must point up toward the anchor point. If installed upside down, the grab will not lock during a fall. Always perform a "flick test" to ensure the grab bites the rope before ascending.
3. Can I remove the rope grab to use it on a different rope?
This specific kit features a built-in rope grab intended for use with the provided 5/8-inch lifeline. While the grab can be moved, the Vertical Lifeline Assembly Manual specifies that it should only be used on compatible 5/8-inch three-strand rope to ensure the locking mechanism functions properly.
4. Why is there an 18-inch extension lanyard on the rope grab?
The 18-inch lanyard serves two purposes: it keeps the lifeline rope away from the worker's face and feet to reduce tripping hazards, and it contains the shock-absorbing pack that limits fall arrest forces to safe levels.
5. Does the rope require a counterweight at the bottom?
Yes. For the rope grab to slide effectively as you move, the lifeline needs a small amount of tension. You can achieve this by tying a small weight to the bottom of the rope or by simply coiling the excess rope on the ground to provide resistance.
6. Can I use this for a "Horizontal" lifeline application?
No. The C7051 is a Vertical Lifeline. Horizontal lifelines (HLL) require different engineering, tensioning, and stanchions. Using a vertical rope as a horizontal line can result in excessive sag and system failure.
7. How do I avoid common vertical lifeline mistakes?
- 1. Upside-Down Rope Grab: The most common and fatal error. Always verify the orientation arrow is pointing toward the roof peak.
- 2. Excessive Slack: Workers often forget to move the rope grab up as they climb. You must keep the slack to a minimum to reduce potential free-fall distance.
- 3. Sharp Edge Contact: Never allow the polyester rope to rub against a sharp metal edge or ridge. If the rope must pass over an edge, use a rope protector to prevent cutting the lifeline.
