How to Clean AZEK White Trim

The Cleaning Coach


How to Clean AZEK White Trim

AZEK white trim is renowned for its durability, moisture resistance, and ability to maintain a pristine appearance, making it a favorite among homeowners seeking a low-maintenance option for their homes. However, like any exterior home feature, AZEK trim can accumulate dirt, grime, and mildew over time, detracting from its beauty and potentially leading to long-term damage if not properly cared for. This comprehensive guide will walk you through the steps to clean your AZEK white trim, ensuring it remains as striking as the day it was installed.

Before diving into the cleaning process, it’s important to understand what sets AZEK trim apart. Made from cellular PVC, AZEK trim is engineered to mimic the look of real wood while offering superior resistance to the elements. This material does not rot, crack, or warp. It is impervious to moisture, making it an ideal choice for exterior trim. However, its white surface can show dirt more obviously than darker materials, making regular cleaning an essential maintenance.

AZEK Trim made from cellular PVC

The first step in cleaning your AZEK white trim is preparation. Begin by inspecting the trim for any signs of damage or areas needing special attention. Gather your cleaning supplies:

  • A soft cloth or soft-bristle brush
  • A bucket of warm water
  • A gentle, non-abrasive cleaner

For most routine cleanings, a mild dish soap and water solution will suffice. Avoid harsh chemicals or abrasive tools, which can damage the trim’s surface.

AZEK White Trim Cleaning Process

To clean your AZEK white trim, follow these steps:

  1. Start with a Rinse: Lightly rinse the trim using a garden hose to remove loose dirt and debris. This initial rinse helps prepare the surface for a more thorough cleaning.
  2. Apply Cleaning Solution: Dip your cloth or brush into the soapy water solution and gently scrub the trim. Work in sections, focusing on areas that are particularly dirty or have mildew buildup. For tougher stains, you may need to let the soap solution sit on the surface for a few minutes to loosen the grime.
  3. Rinse Thoroughly: After scrubbing, rinse the trim thoroughly with clean water from the hose. Remove all soap residue, as leftover soap can attract more dirt.
  4. Dry: While AZEK trim is moisture-resistant, drying the trim with a clean, soft towel can help prevent water spots and give the trim a fresh, clean appearance.

How do you remove stains from AZEK?

For stubborn stains or mildew, vinegar, and water can be an effective, eco-friendly alternative to harsh chemicals. Mix one white vinegar with three parts water and apply it to the stained areas. Allow it to sit for several minutes before scrubbing gently with a soft-bristle brush, then rinse thoroughly.

Specialized PVC cleaners are available for the most stubborn stains. Still, following the manufacturer’s instructions closely is important to avoid damaging the trim.

AZEK Maintenance Tips

AZEK products, known for their durability and resistance to the elements, are often marketed as low-maintenance rather than completely maintenance-free. Thanks to their cellular PVC composition, which resists rot, mold, and insects, they do not require the same level of upkeep as natural wood, such as staining, painting, or sealing.

Regular maintenance can prevent the buildup of dirt and grime, making cleaning easier and less time-consuming. Inspect and clean your AZEK trim at least twice a year—more often if it’s exposed to heavy pollution or in a particularly damp environment prone to mildew.

Additionally, addressing issues like leaks or improper drainage that can cause excessive moisture exposure will help maintain the integrity and appearance of your AZEK trim. This simple care routine ensures that AZEK products maintain their appearance and performance for years, making them an appealing choice for minimizing maintenance without sacrificing quality or aesthetics.

Should AZEK trim be painted?

AZEK trim doesn’t need painting for protection since it’s made from durable cellular PVC that naturally resists the elements. Its white finish is designed to look clean and crisp without additional treatment. However, you can paint AZEK trim to match or complement your home’s exterior colors.

Lightly sanding the surface can help the paint adhere better if you paint it. Using 100% acrylic latex paint with a high Light Reflective Value (LRV) is recommended to avoid heat absorption issues. Painting AZEK trim is more about aesthetics than necessity, adding to maintenance but offering customization options for your home’s look.

As a homeowner who has navigated the challenges of maintaining various types of exterior trim, I’ve found that consistency is the key to keeping AZEK white trim looking its best. Regular, gentle cleanings are far more effective and less daunting than occasional, intensive cleanings. This preserves the aesthetic appeal of your home’s exterior and allows you to enjoy the benefits of AZEK’s low-maintenance materials without compromise.


Cleaning AZEK white trim is a straightforward process that doesn’t require harsh chemicals or strenuous effort. By following these simple steps and incorporating regular maintenance into your home care routine, you can ensure your AZEK trim continues to enhance your home’s beauty and curb appeal for years. Remember, the longevity and appearance of your home’s exterior are directly influenced by the care and attention you provide. With this guide, you’re well-equipped to keep your AZEK white trim in impeccable condition, reflecting your home’s pride and joy.

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The Cleaning Coach

The Cleaning Coach

The Cleaning Coach is a nationally-recognized green homekeeping expert dedicated to educating people on keeping their homes, schools and work areas GREEN.