How to Remove Moss From Brick or Concrete

Updated on October 14, 2017
This is an easy and effective way to remove moss from brick and concrete.
This is an easy and effective way to remove moss from brick and concrete. | Source

My home has a lovely paved brick walkway leading to the front porch. The bricks are an interesting shape which form a distinctive pattern, and there is about a 1/4 inch of space between the pavers that is normally filled with ground limestone.

Over the years, however, the limestone has slowly washed away and moss has begun to take it's place and is now spreading to the tops of the bricks.

Additionally, the section that is closest to the porch doesn't get much sun, especially in the cooler months of the year, and has turned out to be the perfect growing area for the moss.

While I understand that many people like this look, and work hard at getting it, it can be dangerous.

Moss is extremely slippery when it gets wet, and for your safety, as well as for the safety of others, it should be removed.

There are a number of methods to get rid of it, from good old scrubbing to commercial moss removal systems. However, I have found that a method of bleach mixed with water, works the best for my situation.

Hopefully this method will work well for you too.

Can this method be used to remove moss from anywhere?

Moss on...
Can this method be used?
Brick
Yes
Concrete
Yes
Decorative Pavers
It depends on the material
Lawn
No - It will kill the grass
Roof
No - It will stain the roof
Tree
No - It will hurt the tree
Rock
Yes - but make sure no plants are directly around it
Deck
No - It will damage the surface
Important: Before you use the bleach solution on a surface, test it on a small area to make sure it doesn't leave a stain.

Helpful hints

  • Have a towel to kneel or sit on so your pants don't get covered in green moss stains.
  • Don't wear your shoes into the house, they may have bleach on the bottoms. Rinse them off just to be safe.
  • Label your spray bottle so you don't use it at a later date with something that doesn't mix with the bleach.

Precautions

Before you begin, there are a number of important precautions that should be taken.

  • You will be using bleach. ALWAYS test out the solution on a small section of the area you will be cleaning to make sure it doesn't discolor.
  • Wear old clothes that you don't mind getting dirty or stained. You will be spraying bleach and if there is a breeze, some of the solution could get on your clothes.
  • Wear appropriate eyewear cover to protect your eyes from any bleach that might splash up.
  • Wear gloves.
  • Work in a well ventilated area.
  • Keep children and pets away from the area until it has been thoroughly cleaned.
  • Use care not to get the solution on nearby plants. It will burn, and may kill, them.

All the supplies you'll need.
All the supplies you'll need. | Source

Supplies you'll needed

  • Water
  • Regular household bleach - I don't recommend using industrial strength, it's too strong for this project
  • Spray bottle
  • Scrub brush - you'll want one with fairly firm bristles
  • Garden hose

Step 1 - Prepare the solution

Mix equal parts of water and bleach in a spray bottle. The exact amount will vary depending on the size of the spray bottle.

Step 2 - Loosen and remove moss

Scrub the moss to get rid of what you can before you apply the solution.
Scrub the moss to get rid of what you can before you apply the solution. | Source

Using a scrub brush, remove as much of the moss as you can and loosen up the rest. This is easier in between the pavers. Brush any loose bits away.

Step 3 - Spray the area thoroughly with the bleach solution

Generously spray the solution onto the moss.
Generously spray the solution onto the moss. | Source

Hold the spray nozzle a few inches from the moss covered area and spray. I use the stream setting on the nozzle so I can get it directly on the area and not all around it.

Completely soak the moss.

Let the solution sit for a few hours or even overnight.

After an hour the moss begins to turn yellow

Note how the color of the moss changes after the bleach solution has been applied.
Note how the color of the moss changes after the bleach solution has been applied. | Source

Step 4 - Scrub away the dead moss

Scrape and scrub away all of the moss.
Scrape and scrub away all of the moss. | Source

After the solution has been applied, and has been soaking the area for about 6 to 7 hours, or overnight, it's time to remove the dead moss.

You can use a scrub brush for the tough areas, a pressure washer or garden hose, or a combination of tools. An old knife can also be useful in tight areas.

Step 5 - Clean any remaining bleach solution from the area

Make sure to rinse and wash off all of the bleach solution that gets on the surface.

Bleach is extremely slick when it gets wet, even worse than the moss. When wet, it leaves an almost slimy coating.

Do not skip this step!

The cleaned up pavers

The moss has been removed and swept away and the pavers look like new.
The moss has been removed and swept away and the pavers look like new. | Source

Admire the cleaned up area

Unless you are looking for that lovely old fashioned cottage garden look that includes lush, moss covered pathways that lead to secret gardens bursting with fragrant blooms, it really is a good idea to get rid of moss.

It is slippery and a hazard to you and your visitors. It is also unsightly if you aren't looking for that romantic garden look.

This process doesn't take much time, only some elbow grease and a few supplies you probably have on hand. The result is definitely worth the work.

The moss is gone!

This is an easy way to remove moss from brick and concrete.
This is an easy way to remove moss from brick and concrete. | Source

© 2014 Glimmer Twin Fan

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    • profile image

      Mary 14 months ago

      thank you so much for these tips xx

    • profile image

      Paul 18 months ago

      I found using a power washer for removing moss on brick pavers is too messy and takes the sand out of the crevices--it does remove the moss but is messy blowing all that wet moss and mud! I use a hole (trianular head) to remove bulk of the moss while moss is dry--can be done while moss is wet also. Then I go back over the crevices with a wire brush or stiff bristle scrub brush to clean off remainder moss. I am looking for a wire bush I can use standing up, maybe on a walk-behind machine. Does any one know of one?

    • Glimmer Twin Fan profile image
      Author

      Glimmer Twin Fan 2 years ago

      Good morning. I couldn't see comments on my hub for a little while so it took me a while to respond. I will say I hate removing moss from certain areas, but sometime we just have to, no matter how pretty. Good luck getting rid of yours. Thanks for the angels!

    • pstraubie48 profile image

      Patricia Scott 2 years ago from sunny Florida

      Thanks for this tip....I have some areas that need this treatment. I also have a patio that has weeds on which I use a homemade solution to help control them (it does not use bleach) but I wonder if that would help amp up the effect.

      Voted up++++

      Angels are on the way to you once again this evening ps

    • Glimmer Twin Fan profile image
      Author

      Glimmer Twin Fan 2 years ago

      Hi rajan jolly - You are right about how slippery it gets. Right now our walkway is covered with snow, but it gets bad when it warms up and the snow melts. Glad you enjoyed the hub and thanks for reading and commenting.

    • rajan jolly profile image

      Rajan Singh Jolly 2 years ago from From Mumbai, presently in Jalandhar,INDIA.

      Looks pretty and definitely safe after the moss has been removed. Moss can get pretty dangerous when wet.

      Thanks for sharing this Glimmer.

    • Glimmer Twin Fan profile image
      Author

      Glimmer Twin Fan 2 years ago

      Hi vespawoolf - I agree that I like the look of the moss and was upset when it had to go, but it is so slippery, especially in the winter, that it had to go. I appreciate you stopping by!

    • vespawoolf profile image

      vespawoolf 2 years ago from Peru, South America

      Thanks for these helpful instructions. I do like the look of the moss growing between the stones, but I agree that it should be removed if it causes slipping. The "after" photos also look nice. : )

    • Glimmer Twin Fan profile image
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      Glimmer Twin Fan 3 years ago

      Thanks aviannovice! Glad you enjoyed the article.

    • aviannovice profile image

      Deb Hirt 3 years ago from Stillwater, OK

      Very effective and great advice.

    • Glimmer Twin Fan profile image
      Author

      Glimmer Twin Fan 3 years ago

      Thanks Vellur - I'm glad you find the article helpful.

    • Vellur profile image

      Nithya Venkat 3 years ago from Dubai

      This is very useful. great step by step instructions with photos and video. Great hub, voted up.

    • Glimmer Twin Fan profile image
      Author

      Glimmer Twin Fan 3 years ago

      Thank you Thelma. Good luck getting rid of the moss. It's been rainy here so I'm glad it's gone from our front walk now. Have a great day!

    • Thelma Alberts profile image

      Thelma Alberts 3 years ago from Germany

      Great hub and useful as well. Thanks for the instructions. I´ll try this.

    • Glimmer Twin Fan profile image
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      Glimmer Twin Fan 3 years ago

      Hi randomcreative, We get lots of weeds too, especially this year. I appreciate the kind words and I'm glad you enjoyed the hub.

    • Glimmer Twin Fan profile image
      Author

      Glimmer Twin Fan 3 years ago

      Thanks Bill! Moss can be a real pain. Hope this helps.

    • randomcreative profile image

      Rose Clearfield 3 years ago from Milwaukee, Wisconsin

      Thanks for the detailed instructions! We get weeds, not moss, but I know that this advice will be beneficial to many people.

    • bdegiulio profile image

      Bill De Giulio 3 years ago from Massachusetts

      Great tips Glimmer. We'll definitely give this a try. We have lots of moss on the driveway where it doesn't get much sunshine. Great job, have a great week.

    • Glimmer Twin Fan profile image
      Author

      Glimmer Twin Fan 3 years ago

      Thanks Jackie - I agree that it is really pretty. Too bad it's so slippery. If I had a pretty garden path that no one walked on I'd probably leave it, but since this is right where everyone walks and steps off of our porch, it's better to get rid of it. Thanks for commenting and hope you are doing well.

    • Jackie Lynnley profile image

      Jackie Lynnley 3 years ago from The Beautiful South

      It is really pretty and I had no idea so dangerous. Thank you for that useful knowledge! ^+

    • Glimmer Twin Fan profile image
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      Glimmer Twin Fan 3 years ago

      Hi Paula - We are lucky, we don't have moss in our grass, just on our sidewalk. Glad you stopped by to read. Thanks for commenting.

    • Paula Atwell profile image

      Paula Atwell 3 years ago from Cleveland, OH

      Nice job. We get a bit of moss here but it is usually mixed in with our grass (which is a whole other story).

    • Glimmer Twin Fan profile image
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      Glimmer Twin Fan 3 years ago

      Hi FlourishAnyway - I've slipped on that moss, and I can only imagine if a guest or the mailman fell on it. There isn't anything that I can suggest. This seems to keep it clear of a couple of years. One thing is to be better than we were of keeping on top of it. We sort of forget about and then look down and there it is. Moss has a way of slowly creeping up on the path and we have had a wet year so the moss liked that. Good luck and thanks for reading and commenting.

    • Glimmer Twin Fan profile image
      Author

      Glimmer Twin Fan 3 years ago

      Hi Bill - We are well here in PA, just starting fall chores and this was one of them. Thanks for reading. I wouldn't do this near your quail or other critters and garden. The bleach would not be good. Have a great day!

    • Glimmer Twin Fan profile image
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      Glimmer Twin Fan 3 years ago

      Thanks DealforALiving - Nope, no weed killer. The bleach is strong though, but it's an inexpensive solution.

    • FlourishAnyway profile image

      FlourishAnyway 3 years ago from USA

      Although the moss is beautiful, I agree that safety has to come first. Is there anything that you recommend to ensure that the moss doesn't regrow?

    • billybuc profile image

      Bill Holland 3 years ago from Olympia, WA

      Well that was useful, and I don't have to sew or crochet or anything like that. LOL Thanks for the tip...we will definitely be doing this.

      I hope you are well...see you down the road my friend.

    • DealForALiving profile image

      Sam Deal 3 years ago from Earth

      Wow, this looks so easy and you don't even need weed killer or moss remover or anything like that.

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