Rubber Mulch Under Deck: All You Need To Know!

People always want to layer the area under the deck with the best material that prevents weeds growth and stays for a long time and looks aesthetic too. However, since various materials have different pros and cons, it’s better to consider every aspect before investing in any mulch or gravel. If you have ruled out gravel and are considering rubber mulch to place under your deck, you must know everything about rubber mulch.

Rubber mulch is an effective ground cover made from recycled tires, providing an aesthetically pleasing look to decks while also preventing soil erosion and weed growth. However, it can reduce soil fertility due to the chemicals it may leach.

Rubber mulch has its advantages and disadvantages, but it can be a great choice if used with shade plants. This article provides comprehensive information about rubber mulch, including a guide on how to lay it beneath decks.

Should I Use Rubber Mulch Under Deck?

If you want to modify the area under the deck and make it more functional, you can consider using rubber mulch. It has several benefits, making it an ideal choice for use under your deck.

Let’s move on to the benefits of using rubber mulch and compare it with other materials like bark mulch and gravel.

How can rubber mulch help prevent weeds from growing

Benefits Of Using Rubber Mulch

One of the biggest benefits of using rubber mulch is that it helps to prevent weeds from growing. Weeds can be a real problem in areas with a lot of bare ground, such as under a deck. Covering the ground with rubber mulch prevents weeds from taking root as it prevents water from seeping into the ground. It effectively smothers weed seeds, preventing them from germinating and growing.

Additionally, it can help you in keeping your deck clean. Dirt and debris can blow around and end up under your deck, but rubber mulch can help to catch it and prevent it from getting onto your deck.

Furthermore, it is a durable solution to all the problems in maintaining the area under your deck. It can withstand a lot of wear and tear and lasts many years. It makes it a great investment for your deck.

Rubber mulch is an effective and affordable way to control erosion and conserve moisture in your soil. It helps to prevent erosion by acting as a physical barrier between soil and water. Besides, it conserves moisture in the soil by acting as an insulator. 

Another biggest benefit of using rubber mulch is that it is very easy to place. You can simply lay it down on the ground, and it will stay in place.

Is it easy to place rubber mulch on the ground under your deck?

Rubber Mulch Benefits Over Bark Mulch

Bark mulch is an organic alternative to rubber mulch that many homeowners consider placing under their deck. However, if you are one of those homeowners, you must reconsider your idea. Rubber mulch is better than bark mulch in so many ways. 

Unlike bark mulch, rubber mulch provides a softer surface for walking on and doesn’t attract insects. It doesn’t decompose like bark mulch, making it a durable option. Additionally, it is more resistant to wind and rain, so it stays in place better. Bark mulch is expensive, whereas Rubber mulch is budget friendly and available in various colors to find the perfect match for your landscaping.

Rubber Mulch Vs. Gravel

If you’re wondering what to put under your deck, you might be considering two popular options: rubber mulch vs. gravel. Both materials work differently in different situations, so here we are to help you decide which one you should choose. 


There are a few things to consider when making your decision. First, think about the look you’re going for. Rubber mulch has a more polished look, while gravel has a more natural look.


Rubber mulch is easier to maintain because it doesn’t need to be raked or replaced as often as gravel.

What look should you consider when deciding between rubber mulch and gravel?


Rubber mulch is typically more expensive than gravel. However, some rocks are cheaper, while others can be expensive. Colored rubber mulch will be cheaper than colorful gravel. 


Rubber mulch is made from recycled tires, And gravel is a naturally existing material. Hence, none of the material harms the environment in any way. However, recycling does prevent excessive waste generation. 

Use Case Preference

If you have a high-traffic area, choose gravel. On the other hand, rubber is the better choice if you’re looking for a low-maintenance option.

Drawbacks: Using Rubber Mulch Under Deck

There are a few potential drawbacks to using rubber mulch under the deck. 

  • Rubber mulch is light, so it will quickly wear away if there is any sort of heavy air storm. 
  • It may also cause allergic reactions in some people.
  • Rubber mulch also absorbs water, which can cause it to become wet and muddy, leading to slips and falls. 
  • Rubber mulch also has a strong odor in hot summer, which can be unpleasant.
  • The heat from the sun can cause the rubber mulch to break down and release toxins into the air.
  • It can also stain your decking. 

Though there are drawbacks to using rubber mulch under the deck, they are ignorable. For instance, the floor will not be wet and slippery if you have good water drainage under your deck. Moreover, the area under the deck is always in the shade, so there are fewer chances of smell and toxicity due to rubber breaking down in the heat.

How To Place Rubber Mulch Under Deck

Placing rubber mulch under the deck is a simple task, yet you must do it carefully for lasting results. If you have decided to put rubber mulch under your deck yourself, we are here with a complete guide to do the task. Make sure you purchase enough rubber mulch to form at least a 6-inch thick layer over the ground.

Is rubber mulch easier to maintain than gravel?

First, you must gather all the required tools to do the task. You will need landscape fabric, a rake, a wheelbarrow to carry the material, and a broom or leaf blower to clean the area. Besides, purchase rubber mulch in different colors if you want a decorative look. 

  1. First, remove any existing mulch or debris from the area.
  2. You can use a leaf blower or vacuum cleaner to remove the debris.
  3. Then, spread a layer of landscape fabric over the area. You can skip it if you want to grow some plants here and there. 
  4. After that, spread a layer of rubber mulch over the landscape fabric. 
  5. You can use a shovel or a rake to spread the mulch evenly.
  6. Now, add another thin layer of colored mulch in whatever design you like. 
  7. If you have a dark brown deck, you can use a combination of light brown, dark brown, and black colors. 
  8. Lastly, sprinkle water on the area to help the mulch adhere to the ground. Don’t overflow it with too much water. 

Final Thought!

Rubber mulch is undoubtedly better to put under the deck. Since now you know everything about using it, you are good to go. Don’t forget to purchase high-quality rubber mulch and add a thick layer. If you live in an area with a mild environment, rubber mulch under the deck can make the best play area for your kids.

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