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Maintaining & Cleaning Fiberglass Exterior Columns: Pro Tips For Longevity

Did you know that, according to a recent survey, 80% of homeowners believe that the exterior of their homes significantly impacts their property’s overall appeal? One key element that plays a pivotal role in enhancing curb appeal is fiberglass exterior columns. These columns not only add elegance but also boost durability.

However, like any outdoor feature, they require regular maintenance to preserve their aesthetic charm and extend their lifespan.

Let’s get started and dive into the nuances of maintaining and cleaning fiberglass exterior columns, ensuring they remain an asset to your home for years to come. So, without any further ado, proceed with the post.

Regular Inspection and Cleaning

  • Inspect Regularly:

Start your maintenance routine by conducting regular inspections of your fiberglass exterior columns. Examine them for any visible signs of damage, stains, or accumulated dirt.

  • Gentle Cleaning:

When it comes to cleaning, opt for gentle methods. Utilize a soft-bristle brush, a non-abrasive sponge, or a microfiber cloth to clean the columns. Abrasive materials can scratch the surface, causing unintended damage.

Cleaning Solutions

  • Mild Soap Solution:

For routine cleaning, create a cleaning solution by mixing warm water with a mild, pH-neutral detergent. This concoction is effective in removing general dirt and grime.

  • Vinegar Solution:

To tackle tougher stains, such as mineral deposits or mold, consider mixing equal parts of white vinegar and water. This natural solution can help break down and remove stubborn deposits.

The Cleaning Process

  • Pre-Rinse:

Initiate the cleaning process by rinsing the columns with water. This step removes loose dirt and debris.

  • Apply the Cleaning Solution:

Use a cloth or sponge to apply the chosen cleaning solution evenly across the surface of the fiberglass columns.

  • Gentle Scrubbing:

In cases where stains persist, gently scrub the affected areas with a soft brush or sponge. Apply only enough pressure to remove the stain without harming the fiberglass.

  • Rinse Thoroughly:

Complete the cleaning process by thoroughly rinsing the columns with clean water. Ensure that all traces of the cleaning solution are removed.

Stain Removal Strategies

  • Rust Stains:

Should rust stains appear on your columns, invest in a specialized rust stain remover, following the manufacturer’s instructions for safe and effective stain removal.

  • Mold and Mildew:

Combat mold and mildew with the vinegar and water mixture mentioned earlier. Afterward, rinse the columns thoroughly to prevent any lingering vinegar odor.

Avoid Abrasive Cleaners

Under no circumstances should you use abrasive cleaners, steel wool, or abrasive pads on your fiberglass columns. These materials can mar the surface, leading to unsightly scratches.

Protective Coatings

To bolster the longevity of your fiberglass columns, contemplate applying a high-quality automotive wax or UV-resistant sealant. This extra layer of protection shields the columns from the detrimental effects of UV rays and environmental elements.

Seasonal Maintenance

  • Spring Cleaning:

Annually, embark on a more comprehensive cleaning effort during spring to eliminate any lingering winter grime. This thorough cleaning prepares the columns for the upcoming warmer months.

Compatibility With PVC Balustrade Systems

  • Check for Compatibility:

If your fiberglass columns are part of a balustrade system that includes PVC components, ensure that the cleaning solutions and maintenance procedures are compatible with both materials. This ensures a harmonious and well-maintained outdoor space with beautiful PVC balustrade systems.

Seasonal Protection and Storage

  • Winter Preparations:

Before the cold winter months arrive, consider adding an extra layer of protection by wrapping your fiberglass columns with weather-resistant covers or blankets. This can help shield them from harsh winter conditions.

  • Off-Season Storage:

If you have the means and space, consider removing the columns during the off-season (typically winter) and storing them indoors or in a protected area. This can prevent exposure to extreme weather and further extend their lifespan.

Expert Consultation and Professional Maintenance

  • Consult a Professional:

If you are unsure about the best maintenance practices or if your fiberglass porch railings and columns require extensive restoration, consult a professional. Experienced contractors or specialists can provide tailored advice and services to ensure your columns remain in top condition.

  • Periodic Professional Maintenance:

For long-term durability and aesthetics, schedule periodic professional maintenance. This may include inspections, cleaning, and resealing by experts who are well-versed in fiberglass care.


Maintaining and cleaning fiberglass exterior columns isn’t a complex task, but it is essential for preserving their beauty and functionality.

Regular inspections, gentle cleaning with appropriate solutions, and the occasional application of protective coatings will significantly enhance the lifespan of your fiberglass columns.

By adhering to these pro tips, you can enjoy their elegance and resilience as they continue to enhance your home’s exterior in 2023 and beyond.