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28 oz. Concrete Mortar Dissolver

  • Clean dried concrete and mortar from tools and other surfaces
  • Safe and environmentally- friendly
  • Comes in a large 28 oz. sprayable bottle
  • See More Details

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Product Overview

SAKRETE Concrete Mortar Dissolver is a safe, environmentally-friendly liquid alternative to aggressive acid concrete removers. Concrete Mortar Dissolver can be used to remove dried on cement, concrete, mortar or stucco from most surfaces. Multiple applications used in conjunction with mechanical means may be necessary f or removing stubborn or thick built up areas.
  • SAKRETE concrete Mortar dissolver is a safe, environmentally friendly product f or cleaning dried concrete and mortar from tools and many other surfaces
  • Can be used f or clean up on wooden decks, glass and concrete splashed siding
  • Use to clean tools, trowels and concrete saws
  • Environmentally friendly and 100% biodegradable
  • Non-hazardous and non- fuming

Info & Guides

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Price
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Specifications

Dimensions

Container Size
28 oz.
Product Depth (in.)
2.5
Product Height (in.)
10.5
Product Length (in.)
5

Details

Returnable
90-Day
Usable Temperature
Type 1 (77F-104F)

Warranty / Certifications

Manufacturer Warranty
None

Questions & Answers

99Questions25Answers

is Sakrete safe for Trex decking

Asked by SO55 March 10, 2021
3
Answers

I am not sure about decking. I used on patio doors.

Would this dissolve a thin coating of Quikkrete cement that was applied over a smooth skim-coated...

Asked by RemodelFailurist December 13, 2020
2
Answers

Thank you for your question.  Oldcastle strives to provide the best possible products and customer experience.  Please contact us at 1-866-256-7404 so we may gather more information and resolve to your satisfaction.

Can I use this to remove thinset from back of tiles?

Asked by Smp October 4, 2020
2
Answers

Yes

Can this be used to remove thinset from aggregate walkway?

Asked by Brindie September 27, 2020
1
Answer

This will remove most types of thinset. suggest to chip down any thick spots first to save on product.

What's the difference between this product and Kleen Krete 32 oz. Concrete Remover (and Dissolvin...

Asked by candlerman September 26, 2020
2
Answers

Don't know if it will damage the tile but it works good for a painted metal building

Can this be used to remove cement splatter from the surface of an old driveway?

Asked by Brent August 7, 2020
3
Answers

Yes. But be careful. Probably better to just scrape it off.

Is this product safe to remove mortar/Concete residue from epoxy painted patios/pool decking?

Asked by Nisi July 19, 2020
3
Answers

I think it would be okay. This product is not as harsh as other chemicals but I would test a spot first.

Will this remove grout?

Asked by Erik June 30, 2020
2
Answers

*Note: Concrete Dissolver will dissolve cementitious based materials. Do not use on manufactured cementitious products such as stone veneer, pavers, brick, block, or grouts. Dissolver will cause these surfaces to discolor Taken from their web site.

Will this remove dried concrete from sliding?

Asked by Curly June 18, 2020
3
Answers

Yes, but if it as been there for a while it will take a little longer for it to work.

Can I use it to clear a drain with concrete in it

Asked by N3v1k May 24, 2020
4
Answers

This stuff does not work in hardened concrete. I would t buy it again ever.

28 oz. Concrete Mortar Dissolver - page 2

Customer Reviews

  • 3.5
    out of 257 reviews
  • 71% recommend this product
Filter by:
Showing 1-10 of 257 reviews
Removes dried cement
This product does exactly what it says it will, it turns the dried caked on cement into a soft wet mush. For really caked on cement I let the product sit for about 30 min then I used a metal scrapper and some elbow grease and was able to remove the rest of the stubborn cement. If you just let the product just sit and then power wash it off like the directions say only about 50-60% of the dried cement will be washed off and you have to start all over. I would recommend spraying then scrapping for best results. I used this product for the inside of my chevy express van and I'm very pleased with the results.
by Erkalla
Worst product on the market
We have one piece of rain gutter pipe. We have now spent three days and have done over 17 treatments to take off the concrete residue on it, power washed it after the 14 treatment and the product doesn't work. Even with a metal scraper that is damaging our one piece of pipe isn't working. The picture here shows a brown liquid but our special Home Depot order came as a yellow greenish liquid. Sakrete took off a little of the top of the concrete spots but that was it. We called the number on the bottle and even the company said it isn't one of their best products. We loved the fact it's biodegradable but it really is worthless. So many hours of work and we may have a only a couple ounces left of the product. So frustrating, special order, special trip to Home Depot, hours of waiting for it to work, even letting it sit over 2 nights reapplying, setting up a power washer, getting gas for the power washer and nothing... What a major waste of time and we are sure Home Depot won't give us our money back. So Unhappy!
by Scottsforest
Response from Oldcastle Product SupportDec 23, 2020
Thank you for your review.  We are so sorry you had a bad experience with our product.  Oldcastle strives to provide the best possible products and customer experience.  Please contact us at 1-866-256-7404 so we may gather more information and resolve to your satisfaction. Oldcastle-Hipp
1 person found this helpful
I had a brick work company do a rather lousy job on repointing some of the bricks on a planter w...
I had a brick work company do a rather lousy job on repointing some of the bricks on a planter wall. This product definitely loosens the unwanted mortar on bricks rather quickly. But one must scrub the mortar off with a wire brush and in pits in fancy bricks, which is what I had to clean, one needs to dig the loosened mortar out with a metal scraper. It is very important to thoroughly hose off the bricks after cleaning to avoid crusting or residue appearing on the bricks after they have dried. So, the product works well, but expect to do a lot of scrubbing, scraping, and rinsing off before the job is finished to your satisfaction. I used three bottles to clean a low rating wall of about 25' in length and maybe 2.5' in height. As you can see from the pictures, I have a little more work to do in the cleaning.
by Carrottop
White residue left behind! Please help
We heard great things about this product and reviews have been positive. After 1st application there was a white residue left behind. We attempted a 2nd and 3rd application and even power washed thorough. Very disappointed with the result which is 10x worse than the cement that was there in the first place. Please help.
by SarahWN2020
This mortar dissolver saved my car! Construction started right next to my apartment and driveway,...
This mortar dissolver saved my car! Construction started right next to my apartment and driveway, and unbeknownst to me, the bricklayers were dropping mortar on my car while they worked. I had already replaced the windshield they cracked, but I still needed to get the mortar off. The guy who replaced the windshield said it was probably a total loss, and I'd have to get the whole car repainted, but I wanted to at least try cleaning it up first. After a little research, I ordered a bottle of this dissolver, picked it up, and tried it out. I used the entire bottle, and over the course of an hour and a half (and several applications), I would guess I got 90% of the mortar off! I don't know what kind of shape my clear coat is in yet, but it's so much better already. I've posted before and after pics. The roof still needs work (it took the brunt of the mortar), and I definitely had better luck with the flatter surfaces (hood, trunk, etc) than with the vertical ones. But overall I'm very pleased with the results. I just need a second bottle to finish the job...and now it's unavailable.
by AshleyC
2 people found this helpful
We recently put brick coping around a clients pool. The guy that poured the deck smeared concrete...
We recently put brick coping around a clients pool. The guy that poured the deck smeared concrete all over the bricks. A week later I went and looked at it and was horrified. We ordered this and let me tell you. It works as advertised. Very impressive. Saved us several thousand dollars. The brick in the photo is still drying but it was covered in dry concrete.
by OTDE
1 person found this helpful
I bought this to remove splashes of cement/concrete from the surface of my car. There were 6-7 sp...
I bought this to remove splashes of cement/concrete from the surface of my car. There were 6-7 spots of cement on my car and it was about 6 months old before I decided to try this product. This no magic, but is works perfectly as advertised. Since it was a vertical metallic surface for me, the liquid will not stay there, so I had to use it multiple times(9-10 times) to remove the cement completely. It doesn't consume much, I'm still left with more than 90% of it! I would spray the liquid on all the spots and rub of the surface with a cloth to remove the molten cement and then reapply again in 30 minutes or so. Did it over a few days and there are no marks left or paint damage if you rub off the molten cement carefully. Hope this product helps you too. I would recommend this. And HomeDepot offered me the best price for this among all places I searched for.
by Bipin
4 people found this helpful
PLEASE DO NOT USE THIS ON YOUR CAR. I purchased this for splash on concrete that hit my brothers ...
PLEASE DO NOT USE THIS ON YOUR CAR. I purchased this for splash on concrete that hit my brothers car roof when he was driving by a construction zone. The LABEL clearly says you can use this on vehicles but it scratched and made streak lines on the paint of the vehicles roof where it was used. Very disappointing and now trying to fix even more damage to the car.
by TallLady
Response from Sakrete Customer CareMay 2, 2017
You have to hose all of the sand and grit off when the Dissolver breaks down the cement. If you wipe the cement off of the car the sand and grit will scratch the paint. If all of the grit is not broken down then let dry and spray again. There are no sands and grit in this product that would scratch paint. The grit that scratched the car came from the concrete itself. sakrete
2 people found this helpful
I purchased this product to remove a fine mist of concrete from my vehicle that happened as a res...
I purchased this product to remove a fine mist of concrete from my vehicle that happened as a result of driving by where concrete was being cut. I figured that this product would easily remove the fine mist spots since the video shows caked on concrete coming off easily, but they didn't budge. I attempted several times, leaving the product on for the suggested 15-20 minutes and not letting it dry (which is not an easy task since the foam slides off the vehicle so fast). The product goes quickly and before you know it you've used half the bottle. The video that accompanies this product is extremely deceiving and shows the concrete practically melting right off. I am very disappointed.
by Sara1001
Response from Sakrete Customer CareApr 24, 2017
If you were near concrete being cut, then it is probably the cutting solution that they were using to keep the blade cool that is stuck to your car. Concrete dust should not be able to adhere to your car without being in contact with some other compound. Once concrete is activated it cannot be reactivated when being cut by a concrete saw. You may want to look into a cleaning detergent and not a concrete dissolver. sakrete
2 people found this helpful
Needed Product
I was not looking forward to giving my new retaining wall an acid wash to clean it up. After hearing about mortar dissolver I had to try it. It worked on the wall without me having to apply a lot of scrubbing power. The product foams and and struck to the vertical surface better than expected. i followed the directions and for the most part only needed one application. The heavier built-ups required two on this project. Next I also wanted to see how it would clean some old tools that had embedded layers of cement on them. This took 3 applications and a Little muscle power , but the tools were shiny again and very usable. Next I used it to clean out my cement mixer. Not perfect in the corners but took the rest of the built up away , most in 1 application. If cleaning tools be careful not to do it over clean concrete . It will leave a beach type mark if you leave it sitting foe a long time. I will be buying more to use on my next retaining wall Wear protective clothing and gloves
by EVroom1
2 people found this helpful
Showing 1-10 of 257 reviews