Cable railing on a two story homeExterior cable railing is a stylish and contemporary addition to any residential or commercial space. It offers an unobtrusive view and provides safety without obstructing the surrounding environment. However, regular cleaning and maintenance are essential to keep cable railing looking pristine and functioning properly. In this blog post, we will explore the proper way to clean exterior cable railings to avoid rust and erosion, ensuring they stand the test of time and continue to enhance the beauty of your home.

At Liberty Aluminum we construct cable railing with stainless steel cables and aluminum railing, these materials are durable and the stainless steel cable is resistant to corrosion. However, exposure to the elements can lead to the accumulation of dirt, salt, and other debris, making the railing susceptible to rust and erosion. Regular cleaning not only keeps your cable railings looking their best but also prevents potential damage and ensures their longevity.

Necessary Tools

  • Soft bristle brush or sponge
  • Mild dish soap or gentle stainless steel cleaner
  • Warm water
  • Microfiber cloth or soft towel
  • Garden hose with a spray nozzle
  • Protective gloves


Step 1:

Before you start cleaning, make sure to remove any obstacles or furniture near the cable railings. This ensures you have unobstructed access and prevents accidental damage to the surrounding objects.

Step 2:

Using a garden hose with a spray nozzle, rinse the cable railings thoroughly. This will help remove loose dirt, debris, and any surface-level contaminants.

Step 3: 

Create a cleaning solution by mixing mild dish soap with warm water. Avoid using abrasive or acidic cleaners as they can damage the surface.

Step 4:

Dip the soft bristle brush or sponge into the cleaning solution and gently scrub the cable railings. Focus on areas with visible stains, grime, or salt deposits. Be cautious not to apply excessive pressure, as rough scrubbing could scratch the surface.

Step 5:

After scrubbing, rinse the railings once more with clean water to remove any leftover cleaning solution and loosened dirt.

Step 6:

Use a microfiber cloth or soft towel to dry the cable railings thoroughly. Drying is crucial to prevent water spots, which can leave mineral deposits on the surface.

Properly cleaning and maintaining your exterior cable railings is a crucial step in ensuring their longevity, preserving their beauty, and avoiding rust and erosion. By following the steps outlined in this guide and implementing preventive measures, you can enjoy your cable railings for years to come, enhancing both the safety and aesthetics of your outdoor space. Regular care and attention will pay off in the long run, protecting your investment and maintaining the allure of your home’s exterior.