- Ready to use, no mixing
- Great for outdoor wood decks, rails, etc
- Best for prepping wood before sealing
- See More Details
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Product Overview
Surface preparation is the critical first step in achieving a beautiful, long-lasting wood finish. Olympic Premium Deck Cleaner is a unique, premium quality product that penetrates deep to remove dirt and mildew stains. Restores the clean, natural look to exterior wood, concrete, composites and other surfaces.
- Deep cleans decks, fences and siding prior to staining
- Removes 4X more dirt than water alone
- Essential first step to remove stains caused by dirt, mold, mildew and algae
- Fast action; wash off after 10-minute
- Ready to use - no mixing
- 1 gal. cleans up to 300 sq. ft.
- Works with all wood types including most composites
Info & Guides
Compare Similar Paint Prep & Cleanup
|  | Top Rated |  | |
| Brand | Olympic | SAVOGRAN | Krud Kutter | Preserva Wood |
| Name | 128 oz. Premium Deck Cleaner | 10501 12 Oz Wood Bleach | 1 gal. Original Concentrated Cleaner/Degreaser | 1 Gal. Wood Cleaner Wood Renewer |
| Price | ||||
| Ratings | (731) | (78) | (1004) | (20) |
| Container Size | 1 Gallon | 12 Ounce | 1 Gallon | 1 Gallon |
| Recommended Surfaces | All-Surface | Multisurface | Wood | |
| Features | No Additional Features | Eco-Friendly,Non-Toxic | Concentrated | |
| View Product | View Product | View Product | View Product |
Compare Similar Paint Prep & Cleanup
| | Top Rated | | |
| Brand | Olympic | SAVOGRAN | Krud Kutter | Preserva Wood |
| Name | 128 oz. Premium Deck Cleaner | 10501 12 Oz Wood Bleach | 1 gal. Original Concentrated Cleaner/Degreaser | 1 Gal. Wood Cleaner Wood Renewer |
| Price | ||||
| Ratings | (731) | (78) | (1004) | (20) |
| Container Size | ||||
| Recommended Surfaces | ||||
| Features | ||||
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
Container Size
1 Gallon
Details
Biodegradable
Non-Biodegradable
Combustibility
Combustible
Concentrated or Ready to Use
Ready to use
Interior/Exterior
Exterior
Materials Removed
Varnish
Paint Prep & Cleanup Product Type
Mold & Mildew Stain Remover
Product Dispenser Type
Plastic Bottle
Product Form
Liquid
Returnable
90-Day
Warranty / Certifications
Manufacturer Warranty
LIMITED WARRANTY
Questions & Answers
66Questions21Answers
is this product good on plywood decking?
Asked by Al June 8, 20212
AnswersWe would not recommend it on plywood. I’d suggest mixing a solution of 4 ounces of TSP, 1 quart outdoor bleach per gallon of water instead. Feel free to contact our technical department if you have further questions, at 1-800-426-6306 between 8am-5pm ET. Thank you!
Can this product be used to clean a bamboo fence with discoloration?
Asked by hcru May 25, 20211
AnswerHi there, thanks for reaching out! It should be ok -- make sure to perform a test patch and don’t allow the cleaner to dry on the surface, keep wet and rinse with abundant water. If you need further assistance, please call us at 1-800-426-6306 between 8am-5pm ET.
Will this product remove mill glaze from newly installed deck boards?
Asked by Willis May 23, 20211
AnswerHi Willis, it will help. You will need to perform a water test to see if water penetrates, it may need to be helped with sanding afterwards. If you have any additional questions, please give us a call at 1-800-426-6306 between 8am-5pm ET.
Can this product be used in a power washer?
Asked by SEZ May 3, 20212
AnswersYes
Can this be used on an already painted deck?
Asked by Sue April 19, 20212
AnswersHi Sue, thanks for reaching out! Yes, you can use this on already painted decks to prepare it for re-application.
Do you have to seal your deck after using this product?
Asked by LF April 19, 20213
AnswersHi there, it’s the consumer preference wanting to seal or stain the wood. If you have additional questions, please call us at 1-800-426-6306.
Can this product be used to clean Trex decking without affecting the color?
Asked by Rick April 11, 20211
AnswerI have used this on my Trex decking. It does a great job on mold, algae, and crud. My light tan colored decking does not show any color changes. My dark brown decking may have lightened up a bit but it might also just be normal weathering. I would suggest you try a small area in an out of the way spot to see how it works for you. Also, try letting it soak for a shorter time than the label recommends to find the time frame that gives the best cleaning result with the least risk for adverse bleaching and then rinse off very thoroughly.
Stamped sealed color concrete
Asked by lou March 24, 20211
AnswerThis product is made for wood and composition backing. I have never used it on concrete so not sure how well it would work. I will tell you it is a bleach based product.
I have 450’ of 8’ pine privacy fence. I stained it with Olympic 716 natural cedar semi transparen...
Asked by GHL March 15, 20213
AnswersHi there, depending on the condition of the stain/wood, this may be an appropriate cleaner. Please call us at 1-800-441-9695 for more information. Thank you!
My deck was pre-stained. Will this remove the stain? I just want it to remove the dirt.
Asked by L4D February 24, 20215
AnswersNo
Customer Reviews
May 3, 2021
Chose this product!
This product is the best in terms of how effective and easy to use it is. I started on the back deck, power washing, using this cleaner, scrubbing it in then power washing again and it looked great. By the time I got to my front porch I was warn out and skipped alot of steps. I put it in a spray bottle and sprayed it on and like magic it melted the dirt and grime away (even better then all the scrubbing and powerwashing!) I included a picture of what it looked like after just being sprayed on. The only con with this porduct is it does have a very strong smell, if you are sensitive i would recommend wearing a mask. It did irratate my hands a little bit and made holes in leather gloves where product got on.
by claudia
Sep 8, 2020
More Like Deck Stripper
As part of getting my front porch ready to stain I figured I'd use this product to give it a good cleaning as the final preparation step before applying the stain.
The surface was in good condition but the previous coat of sealer was 5 years old.
I applied this cleaner following the directions to a T (applied with a sprayer waited 10 minutes and then rinsed off).
As I started rinsing with a hose, I noticed the once smooth deck surface was now rough and what was the previous coat of sealer was being washed off.
When finished rinsing, I was horrified with the final result - see photos.
So instead of having a nice clean, smooth, ready to stain deck, I had a very rough deck that needed help and now had to buy a sander and paper to the tune of about $115.00 and spend 6 hours sanding the deck making it ready for stain again.
I'd highly recommend that you DO NOT use this product!!
by David
Response from Olympic TeamSep 8, 2020
Hi David, we're sorry to hear your experience with our stain wasn't what you expected. We are here to further discuss and provide solutions, so please give us a call at 1-800-426-6306 between 8am-5pm ET.
Jul 13, 2020
Don't retire your high-pressure washer yet
My backyard deck is tuning black. So I decided to give this product a try. Followed the instruction step-by-step and sprayed three times. Don't take me wrong, this product works in some casual situation, but not on the tough spots. At the end, I still need my high-pressure washer to wash away the black spots. On the positive side, it reduced my time on high-pressure wash. Worth the money? It is up to each individual.
by SmokyFalls
Jun 27, 2020
Works very well
Have used this for several years and always been satisfied. Purchased some Behr deck cleaner with this because the Olympic was in short supply. Had to return to purchase additional Olympic cleaner when it came back in stock. Behr cleaner didn't work.
The bright clean areas are the Olympic cleaner. Also, I did not use a pressure washer.
by Bubba
Jun 24, 2020
My 28 year old wood deck had never once been cleaned or resealed. It was black and growing green...
My 28 year old wood deck had never once been cleaned or resealed. It was black and growing green fur in several spots. What wasn’t black was grey wood.
I bought this product based on the reviews. It worked amazingly well on getting rid of mold and dirt. I did preclean it though with TSP, then sprayed the deck solution on. This product took the fern out of the wood TSP could not. I used it also on my siding, fence, and patio! It’s such a small cost for amazing results.
by Rachel
Jun 16, 2020
Really great product, just make sure you wear gloves because it is really strong. I got some on m...
Really great product, just make sure you wear gloves because it is really strong. I got some on my hand and had to rinse thoroughly. I applied it to our deck and it instantly worked. This picture is less than 5 minutes after spraying before I rinsed it off. I ended up letting it sit for about 20 minutes and then used a pressure washer to rinse to get the most efficient outcome and it is great. I was able to sand it after and now it is ready for staining.
by sdbgold
Jun 1, 2020
Worked Great on Composite Decking
I have 4 year old composite decking in Missouri and this did a great job. The 10 minute time window is serious. If you spray off too early you won’t have the greatest results. A few heavy mold spots had to be spot treated but no scrubbing needed. Very happy with the result
by AJMidwest
May 30, 2020
highly recommend!!!!!
my deck looked this way, pic 1, when I purchased home 5yrs ago. I was tired of looking at this ugly deck. So I was thinking to hire someone to replace all top board, treat and stain.... since covid-19 pandemic I've been doing more diy projects and decided to tackle the deck myself.... Amazing!!!!! Saved be thousands$$$... I used Olympic deck cleaner as directed, with my sun Joe power washer..... looks like a new deck....
by kts157
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