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Product Guide

How to Handle Storm Leaks with Leak Diverters


By John Flemming September 10, 2025

When storms strike, roof leaks can threaten operations, damage high-value assets, and create safety hazards. A leak diverter provides a fast, cost-effective temporary solution, catching and redirecting leak water while giving you time to plan permanent repairs. From protecting sensitive equipment to avoiding slip accidents, this guide outlines how businesses can use these devices to maintain continuity during emergencies.

What Is a Leak Diverter?

A leak diverter tarp, often referred to as a roof leak diverter, is typically made from a thick, waterproof polyethylene or vinyl-coated material. This specially designed tarp is suspended underneath the source of a ceiling or roof leak. It includes D-rings or reinforced grommets that allow it to be securely hung in place.

Once installed, the tarp captures falling water and channels it toward a central funnel nozzle. From there, the water flows through an attached hose and is directed into a container or safely outside the building, preventing the leak from spreading or pooling below.

Why It Matters in Storms

Leak diverters are extremely valuable tools for facility managers and maintenance teams during sudden storm events. Their biggest advantages include:

  • Fast deployment, minimizing operational downtime and costly damage
  • Cost-efficiency, serving as a temporary yet highly effective alternative to emergency structural repairs
  • Enhanced safety, keeping floors dry and preventing slip hazards near personnel and sensitive equipment

Whether protecting a data center, warehouse, or commercial retail space, leak diverters act as a critical first response to storm-related ceiling or roof leaks.

Step-by-Step Guide to Installing a Leak Diverter

Installing a leak diverter correctly is vital when managing active leaks and trying to limit further storm damage. Follow these steps to ensure an effective and secure setup:

1. Identify the Source of the Leak

Inspect your ceiling or roof to locate the precise point where water is entering. Accurate placement of the diverter is key to maximum capture and redirection.

2. Select the Right Diverter

Choose a diverter that is appropriately height and width for the leak area. Materials like vinyl-coated polyethylene or PVC offer the durability needed for storm conditions. Be sure the tarp includes reinforced grommets or D-rings for secure attachment.

3. Securely Install the Diverter

Suspend the diverter using rubber straps, bungee cords, or hooks through the grommets or rings. Ensure it hangs evenly and slightly slopes toward the center funnel or drain point. Some diverters include rigid PVC rods for added support and shape retention.

4. Connect a Drainage Hose

Attach a standard ¾-inch hose to the drain nozzle at the lowest and central point of the diverter. Direct the hose toward a collection container, floor drain, or safe outdoor discharge area.

5. Test the System

Before heavy rain hits, pour water into the diverter and ensure it flows smoothly through the hose into the designated drainage point. Check for leaks, sagging, or clogs.

6. Monitor During the Storm

Throughout the storm, periodically inspect the setup. Clear any accumulated debris, confirm hose alignment, and adjust tension or angles as needed to maintain proper drainage.

By preparing and installing your diverter proactively, you can minimize downtime, protect valuable assets, and maintain a safe environment even in the midst of severe weather.

Real-World Applications of Leak Diverters

Roof leak diverters play a critical role in protecting business operations from water damage during storm-related emergencies. These diversion systems are not one size fits all, each diverter must be tailored in size, design, and function to meet the specific needs of the facility.

  • Large scale facilities, such as convention centers and warehouses, often deploy massive leak diverter tarps equipped with drainage hoses that route stormwater into designated collection bins. This setup prevents water from spreading across expansive floor areas, shielding valuable equipment, staging areas, and storage zones from flood damage.
  • Critical infrastructure environments, including data centers or medical laboratories, require precision ceiling leak diverters to keep all water away from areas housing sensitive machinery, electrical panels, and server racks. Even minor leaks can trigger major outages or safety shutdowns in the environments.
  • Commercial, industrial, office settings benefit from smaller-scale leak diverter systems designed to protect personnel walkways, electronics, and inventory. In these spaces dry, safe work environment and reduce the risk of slip-and-fall accidents during ceiling leaks or unexpected roof damage.

Best Practices & Tips for Leak Diverter Success

To get the most out of your leak diverter system during high-impact weather it is essential to follow proven best practices. These tips will help ensure long-term reliability and maximum effectiveness:

  • Inspect During Storms: Check your leak diverter setup at regular intervals while the storm is active. Look for sagging, hose disconnections, or shifting that could lead to water overflow or system failure.
  • Pre-Storm Readiness: Always keep diverter tarps, hoses, straps, and containers stocked and accessible. Having your gear pre-assembled or staged ensures you can act fast before damage spreads.
  • Prevent Debris Buildup: Regularly clear leaves, dust, and other debris that may collect on or around the diverter. Obstructions can cause pooling or clog hoses, undermining your drainage setup.
  • Scale Up for Larger Leaks: For heavy water intrusion, use larger diverters and wider-diameter hoses to handle higher volumes. Undersized systems are more likely to overflow or collapse under pressure.
  • Maintain Water-Tight Connections: For rooftop diverters, apply waterproof caulk along shingles or fasteners to block seepage. For tarp-style ceiling leak diverters, double-check hose fittings and grommet attachments for tight seals.

By integrating these best practices into your facility maintenance plan, you can turn leak diverters into a dependable, go-to solution for emergency storm response.

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