You are here: Home » Blogs » How to Wash Composite Decking in Simple Steps

How to Wash Composite Decking in Simple Steps

Views: 0     Author: Site Editor     Publish Time: 2025-10-30      Origin: Site

Inquire

facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
kakao sharing button
snapchat sharing button
telegram sharing button
sharethis sharing button

You can wash composite decking without stress or special skills. Keeping your deck clean makes it look fresh and helps it last for years. Regular care stops dirt and stains from building up, so you enjoy your outdoor space more.

Tip: Quick cleaning keeps your deck safe for family and friends.


Wash your composite decking two times each year. This helps it look new and stops damage. Use mild soap and warm water with a soft brush. Do not use harsh chemicals or stiff brushes. These can hurt the surface. Move furniture and debris off the deck before cleaning. This stops scratches and helps you clean better. Rinse the deck well after you scrub it. Make sure all soap and residue are gone. Let the deck dry all the way to stop mold from growing. Take care of your deck each season. Put pads under furniture and check for damage after storms.


How to Wash Composite Decking

Basic Cleaning Steps

Washing composite decking is easy and doesn’t take much time. You just need to clear the deck, sweep away debris, mix a gentle soap with warm water, scrub with a soft brush, and rinse everything off. This simple routine helps you clean composite decking without damaging the surface.

Here’s a quick guide on how to clean composite decking:

  1. Remove all furniture and items from the deck.

  2. Sweep away leaves, dirt, and dust.

  3. Mix mild soap with warm water in a bucket.

  4. Scrub the boards with a soft brush or mop.

  5. Rinse the deck with a garden hose.

  6. Dry the surface with towels or let it air dry.

Tip: Always use gentle cleaners and soft brushes. Harsh chemicals or stiff bristles can scratch or dull your deck.


You can also use eco-friendly products like Wash Safe Spray & Clean Composite Deck Cleaner or DEFY Composite Deck Cleaner. These options remove stains, mold, and dirt while keeping pets and plants safe.

Cleaner Name

Benefits

Eco-Friendly

Safe for Pets

Wash Safe Spray & Clean Composite Deck Cleaner

Removes mold, mildew, and dirt. Deep cleaning.

Yes

Yes

DEFY Composite Deck Cleaner

Designed for composite decking. Removes grime.

Yes

Yes

Why Regular Washing Matters

Regular washing keeps your deck looking new and helps it last longer. Manufacturers suggest you wash composite decking at least twice a year, especially when seasons change. This routine stops dirt, mold, and stains from building up.


When you clean composite decking often, you protect it from fading, staining, and scratching. You also prevent mold and mildew from growing in damp areas. If you skip maintenance, you might see problems like warping, loose fasteners, or even cracks and splinters.

  • Washing twice a year preserves your deck’s appearance and strength.

  • Routine cleaning means you don’t need to sand, seal, or stain your deck.

  • In tough climates, you may need to clean more often to keep your deck safe.

Knowing how to clean composite decking helps you enjoy a beautiful, safe outdoor space for years.


Step-by-Step: Wash Composite Decking

Step-by-Step: Wash Composite Decking


Ready to make your deck look brand new? Follow these easy steps to wash composite decking and keep your outdoor space fresh and safe.


Clear and Prepare the Deck

Start by moving all furniture, planters, and grills off your deck. You want a clear surface so nothing gets in the way. Next, grab a broom or leaf blower and sweep away loose dirt, leaves, and twigs. This helps prevent scratches when you clean composite decking.


Take a moment to check for any damage. Look for cracks, warping, or loose fasteners. Fix anything you find before you start washing. Give the deck a quick rinse with your garden hose to remove leftover dust and dirt.

Here’s a handy table to guide your prep:

Preparatory Step

Description

Clear Debris

Use a soft broom or brush to remove snow, leaves, and dirt.

Inspect for Damage

Check for cracks, warping, and loose fasteners before cleaning.

Pre-rinse the Surface

Hose down the deck after sweeping for a more effective cleaning process.

Tip: Always use a garden hose instead of a pressure washer for regular cleaning. High pressure can damage composite decking.

Safety matters, too. Test any cleaner on a small spot first to make sure it won’t discolor your deck. Never mix cleaning agents. Always follow the instructions on the label.


Remove Debris and Rinse

You want to get rid of all the loose stuff before you wash composite decking. Sweep the surface with a broom or use a leaf blower. Make sure you clear away any outdoor décor that could block your cleaning.


Once the deck is clear, rinse it with a garden hose. This step washes away fine dust and prepares the boards for deeper cleaning. Using a hose is gentle and safe for composite decking. Avoid pressure washers unless you use a low setting and keep the nozzle at least 12 inches from the surface.

Note: Rinsing with a hose uses much less water than a pressure washer and is better for the environment.


Apply Cleaner and Scrub

Now it’s time to tackle dirt and stains. Mix a mild soap with warm water in a bucket. For routine cleaning, use a solution of four parts water to one part soap. If you see mold or heavy stains, you can use a stronger mix. Here’s a quick guide:

Visibility of Mold

Dilution Ratio

Routine Cleaning

4 PART WATER : 1 PART SOLUTION

Recently Visible

3 PART WATER : 1 PART SOLUTION

Visible Appearance

2 PART WATER : 1 PART SOLUTION

Very Visible

1 PART WATER : 1 PART SOLUTION

Extremely Visible

Use undiluted

Dip a soft-bristle brush into your cleaning solution. Scrub the boards gently, working in the direction of the grain. Focus on corners and edges where dirt hides. Never use steel wool or abrasive pads—they can scratch your deck.


If you wonder how to clean composite decking without damage, remember to keep the area wet while you scrub. Let the cleaner sit for 30 to 60 seconds, but don’t let it dry out. Scrub both with and against the grain for best results.

Tip: Soft brushes and gentle cleaners protect your deck’s eco-friendly surface and keep it looking great for years.


Final Rinse and Dry

After scrubbing, rinse the deck thoroughly with your garden hose. Make sure you wash away all soap and residue. If you use a cleaning product, follow the instructions for rinsing.

Let your deck air dry. You can use towels to speed up the process if you want to use the space sooner. It’s best to wait at least 48 hours before putting furniture back or applying any stain. A dry deck prevents mold and mildew and keeps the surface safe to walk on.

Alert: Leaving your deck wet can lead to mold, mildew, and slippery surfaces. Always let it dry completely.

Everok’s composite decking is designed to be durable and eco-friendly, so you can enjoy easy cleaning and long-lasting beauty. If you follow these steps, you’ll know how to clean composite decking the right way and keep your outdoor space looking its best.


Supplies for Washing Composite Decking

To keep your deck clean, you need the right supplies. You do not need fancy tools or strong chemicals. Simple products and tools will help your deck look great.

Essential Cleaning Products

Pick cleaners that are safe for your deck and the environment. Here are some good choices:

  • Use mild dish soap for sticky spots and daily dirt.

  • Try composite deck cleaner, like DeckMAX® Composite & Wood deck cleaner, for deep cleaning.

  • Mix white vinegar and water (one part vinegar, four parts water) for mold and mildew.

  • Use oxygen-based cleaner for dark stains from wet leaves.

  • Pick a rust remover that is safe for composite materials.

  • Warm, soapy water works for light cleaning.

Everok’s eco-friendly WPC decking works well with these gentle cleaners. You can use mild detergent and water without worry. Do not use rough cleaners, so your deck stays looking new.


Recommended Tools

You do not need expensive tools to clean composite decking. Simple tools are best and help you avoid damage. Here is a table to help you:

Tool/Product

Purpose/Use

Soft-bristle brush

Scrubs away dirt and stains without scratching

Garden hose

Rinses off soap and debris gently

Gentle power washer

Removes stubborn grime (use low pressure only)

Handheld scrub brush

Targets tough spots and corners

Plastic shovel (rounded)

Clears snow without harming the surface

Everok’s WPC decking is made for easy care. You can use these tools safely and keep your deck in good shape.


Natural and Eco-Friendly Options

If you want to clean composite decking with green products, you have good options:

Cleaning Solution

Description

Soap, Water, and Vinegar

Simple, works well, and is safe for nature

Baking Soda

Gets rid of mold and mildew naturally

AFM Superclean

Gentle and eco-friendly for composite surfaces

You can also use Wash Safe Spray & Clean Composite Deck Cleaner. It is safe for pets, plants, and your yard. Everok’s eco-friendly WPC decking works well with these natural cleaners, so you can clean composite decking without hurting your yard.

Tip: Always use a soft brush and gentle cleaner. This keeps your deck nice and helps it last longer.

If you follow these steps, you will know how to clean composite decking the right way and enjoy a fresh, safe outdoor space.


Troubleshooting and Stain Removal

Even with regular care, you might find stains or marks on your deck. Don’t worry! You can tackle most problems with simple steps and the right supplies.

Grease and Food Stains

Grease and food stains can happen after a barbecue or outdoor meal. You can remove them quickly if you act fast. Here’s what you should do:

  1. Spot the stain and clear away furniture or objects.

  2. Sweep the area to get rid of loose dirt.

  3. Mix mild soap with warm water.

  4. Pour the solution on the stain and let it sit for a few minutes.

  5. Scrub gently with a soft-bristle brush.

  6. Rinse with a garden hose.

  7. Repeat if the stain is stubborn.

  8. Let the area air dry.

  9. Use outdoor rugs or clean often to prevent future stains.

If you need extra help, try a specialized composite deck stain remover. Here’s a quick look:

Product Name

Features

Composite Deck Stain Remover

Non-toxic, biodegradable, tough on grease, food, algae, and mold stains.

Best Use

Test first, apply generously, scrub, rinse, and wipe dry.

Tip: Upgrade to a composite deck cleaner if the stain sticks around.


Mold and Mildew

Mold and mildew love damp spots. You can keep them away with regular cleaning. Try these natural mixtures:

  • Mix one cup of white vinegar with one gallon of warm water.

  • Sprinkle baking soda on tough spots.

  • Scrub with a soft-bristle brush in circles.

  • Rinse well and let the deck dry.

For heavy mold, use a composite deck cleaner. Avoid bleach or harsh chemicals. Always check with your decking supplier for safe products. Clean your deck a couple of times a year to stop mold from coming back.

Note: Good airflow and proper installation help prevent moisture traps.


Scuffs and Scratches

Scuffs and scratches can show up from moving furniture or heavy foot traffic. You can fix minor marks with these steps:

  • Clean the spot with mild soap and water using a soft brush.

  • Use a heat gun to gently warm the area and fade the scratch.

  • For deeper marks, contact Everok for a repair kit or consider replacing the board.

  • Use sandpaper (60–100 grit) on grooved boards for small scratches.

Protect your deck by using mats in busy areas and pads under furniture legs. Lift furniture instead of dragging it. Use snow shovels with rubber edges in winter.

Tip: Regular cleaning and smart habits help keep your deck looking new.

You can wash composite decking and handle stains with these easy solutions. Your deck will stay safe, clean, and ready for fun.


Maintenance Tips for Composite Decking

Keeping your composite decking in top shape is easy when you follow a few simple routines. With the right care, your deck will look great and last for years. Let’s break down the best ways to keep your outdoor space clean, safe, and beautiful.


Routine Cleaning Schedule

You should sweep your deck every week. Use a broom or a leaf blower to remove dirt, leaves, and dust. This quick step keeps debris from building up and makes deep cleaning easier. For sticky spots or grime, grab a bucket of warm water and mild soap. Scrub gently with a nylon brush. Rinse the boards with a garden hose using a fan-tip nozzle. Try to do a full clean twice a year, like in spring and fall. Regular cleaning keeps your deck looking fresh and helps prevent stains and mold.

Tip: Regular maintenance not only boosts your deck’s appearance but also keeps it safe for everyone.


Seasonal Care

Each season brings new challenges for your composite decking. Here’s how you can protect your deck all year:

  • Use a plastic shovel with a rounded blade to clear snow. This prevents scratches.

  • For small snow patches, a snow brush works well.

  • Place protective pads under outdoor furniture to avoid scuffs.

  • Remove rugs that aren’t made for outdoor use.

  • Clean with mild soap and a soft brush—never harsh chemicals.

  • Make sure your deck has good airflow to handle temperature changes.

  • Schedule a professional inspection once a year to catch small problems early.

  • Keep an eye out for mold, especially in damp weather. Clean these spots right away.

At Everok, we recommend checking your WPC decking after heavy storms or snow. We also suggest clearing drainage holes during rainy seasons to prevent water buildup.


Preventing Damage

You can prevent most deck problems with a few smart habits:

  • Sweep often to stop dirt from scratching the boards.

  • Rinse your deck after big storms or lots of foot traffic.

  • Use only gentle cleaners and soft brushes.

  • Never drag heavy furniture—lift it instead.

  • In winter, use calcium chloride-based ice melters that are safe for composite decking.

  • Check for loose fasteners or cracked boards and fix them quickly.


We design Everok’s eco-friendly WPC decking to handle tough weather and busy families. With these easy steps, you’ll keep your deck strong, safe, and beautiful for years to come.

You can keep your composite decking looking great with a few easy steps.

  • Sweep and rinse your deck often.

  • Use gentle soap and a soft brush for cleaning.

  • Dry the surface to prevent mold.

Regular care helps your deck last longer and stay safe for your family. Want more tips? Check the troubleshooting and FAQ sections for quick answers.


FAQ

How often should you clean composite decking?

You should clean composite decking at least twice a year. Spring and fall work best. If you see dirt, stains, or mold, clean it right away. Regular cleaning keeps your deck looking new and safe for everyone.


Can you use a pressure washer on composite decking?

Yes, you can use a pressure washer, but keep the setting low. Hold the nozzle at least 12 inches from the surface. High pressure can damage the boards. A garden hose works well for most cleaning jobs.


What is the best cleaner for composite decking?

Mild dish soap and warm water work great for everyday cleaning. For tough stains or mold, use a composite deck cleaner or a vinegar solution. Everok’s eco-friendly WPC decking handles these gentle cleaners without any trouble.


How do you remove mold or mildew from composite decking?

Mix one cup of white vinegar with one gallon of warm water. Scrub the area with a soft brush. Rinse with a garden hose. For stubborn spots, repeat the process or use a composite deck cleaner made for mold and mildew.

We provide customers with high-quality products and customized services to support the construction of low-carbon cities.

Quick Links

Products

About Us

Contact Us

 Telephone: +86-136-0673-3657
 Phone: +86-573-8770611
 WhatsApp: +8615967306697
 Email: sales@ekwpc.com
Address: No. 63 Anjiang Road, Huangwan Town, Haining City, Jiaxing, Zhejiang, China
Copyright © 2025 Zhejiang Everok New Material Co., Ltd. 浙ICP备2025187199号-1. All Rights Reserved.