How To Clean Mold Off Wood Deck

How to Clean Mold Off a Wood Deck: A Comprehensive Guide

Mold on your wood deck is not only unsightly, it can also pose health risks. Fortunately, with the right approach, you can effectively remove mold and restore your deck's beauty. This guide provides a step-by-step process for cleaning mold from your wood deck, ensuring a safe and effective cleaning.

Assessing the Mold Situation

Before you begin, it's crucial to assess the extent of the mold infestation. A small patch of mold requires a different approach than a widespread infestation.

Identifying the Type of Mold:

While we won't be identifying specific mold species here (that requires professional testing), understanding the severity helps you choose the right cleaning method. Is it a light surface mold, or is the wood deeply affected?

Safety First!

Always wear protective gear: This includes gloves, eye protection, and a respirator mask, especially when dealing with larger mold areas. Mold spores can be harmful if inhaled. Work in a well-ventilated area.

Cleaning Your Wood Deck: Step-by-Step

This guide outlines a method for cleaning mold from wood decking. Remember to always test any cleaning solution on an inconspicuous area first to check for discoloration or damage.

1. Preparation is Key:

• Sweep or Blow: Begin by removing loose debris, leaves, and dirt from the deck surface using a broom or leaf blower. This prevents the spread of mold spores during cleaning.
• Pre-soak (Optional): For larger mold infestations, consider pre-soaking the affected areas with water. This helps to loosen the mold and makes it easier to remove.

2. Choose Your Cleaning Solution:

Several options are available for cleaning mold from wood, each with varying effectiveness:

• Oxygen Bleach: This is a generally safe and effective option for most wood types. It's less harsh than chlorine bleach. Follow the product instructions carefully.
• TSP (Trisodium Phosphate): A powerful cleaner, TSP is effective against stubborn mold. However, it's important to wear protective gear and rinse thoroughly after use. It’s also important to note that TSP is being phased out in some areas due to environmental concerns.
• Commercial Deck Cleaners: Many commercially available deck cleaners specifically target mold and mildew. Always read and follow the manufacturer's instructions.

3. Application and Scrubbing:

• Apply the Solution: Apply your chosen cleaning solution liberally to the affected areas, following the product's instructions. Use a garden sprayer for larger areas.
• Scrub: Use a stiff-bristled brush to scrub the mold vigorously. A deck brush with a long handle is ideal for reaching all areas. Pay close attention to crevices and seams where mold often hides.

4. Rinse Thoroughly:

Once you've scrubbed the mold away, rinse the deck thoroughly with clean water. A garden hose is best for this. Ensure all traces of the cleaning solution are removed. Proper rinsing prevents discoloration and damage to the wood.

5. Allow to Dry:

Let your deck dry completely before using it. Direct sunlight and good air circulation will speed up the drying process.

Preventing Future Mold Growth

Once your deck is clean, take steps to prevent future mold growth:

• Regular Cleaning: Regular sweeping and occasional cleaning will prevent mold from taking hold.
• Proper Ventilation: Ensure good air circulation around your deck to prevent moisture buildup.
• Sealing: Consider sealing your wood deck to protect it from moisture.

When to Call a Professional

For extensive mold infestations or if you're uncomfortable tackling the job yourself, it's best to contact a professional mold remediation company. They have the expertise and equipment to handle larger infestations safely and effectively.

By following these steps, you can effectively clean mold from your wood deck, restoring its beauty and ensuring a safe outdoor space. Remember safety and thoroughness are key to success.