DIY Guide: Removing Lichen from Your Composite Deck

Introduction

Composite decks are a popular choice for homeowners due to their durability and low maintenance requirements. However, like any outdoor surface, they can be susceptible to the growth of lichen, which can detract from the appearance and even cause damage over time. This guide will detail a step-by-step process for removing lichen from your composite deck using cost-effective solutions that leverage common household items. We’ll also share tips on how to prevent lichen regrowth.

Materials Needed

To tackle the lichen problem on your composite deck, you’ll need the following materials:

• Mild dish soap
• Vinegar (white or apple cider)
• Baking soda
• Soft-bristled brush or sponge
• Garden hose with adjustable nozzle
• Bucket
• Gloves and goggles for protection

Step-by-Step Instructions

Preparation

Before starting the cleaning process, ensure that the deck is swept clean of loose debris. This will make it easier to apply the cleaning solution evenly. Wearing gloves and goggles is recommended to protect yourself from any potential irritants.

Cleaning Solution Preparation

Begin by mixing one part white vinegar with three parts water in a bucket. Vinegar is a natural and effective cleaner that can help kill lichen and other fungi. If you prefer a more abrasive solution, you can add a quarter cup of baking soda to the mixture. Baking soda helps to break down tough stains and can enhance the cleaning power of vinegar.

Application and Scrubbing

Dip a soft-bristled brush or sponge into the cleaning solution and start scrubbing the affected areas gently. Pay extra attention to areas where lichen growth is most prominent. Avoid using harsh brushes or scrubbers, as these can scratch the surface of your composite deck. Scrubbing too hard can also lead to discoloration or damage.

Rinsing

Once you’ve finished scrubbing, rinse the deck thoroughly with a garden hose. Use a gentle stream of water to avoid damaging the surface. Make sure all the cleaning solution is washed away to prevent residue buildup. Allow the deck to air dry completely before using it again.

Additional Tips for Preventing Regrowth

To minimize the likelihood of lichen regrowth, consider the following tips:

• Regularly clean your deck to remove organic matter that can promote lichen growth.
• Apply a clear sealant designed for composite materials to protect the surface and reduce moisture absorption.
• Trim nearby trees and plants to increase sunlight exposure, which can inhibit lichen growth.

Conclusion

By following this step-by-step guide, you can effectively remove lichen from your composite deck while keeping costs low through the use of household items. Regular maintenance and preventative measures will help keep your deck looking its best for years to come.

Reference

How to Clean a Composite Deck – The Home Depot

Baoding Plastroy WPC Products

 

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