0727096305559

Rapid Set

Model 04010055

Internet #202188453

Store SKU #383759

55 lb. Mortar Mix

$12.49 / each
If you buy 50 or more
$9.99 / each
  • Sets in just 15 minutes
  • Structural Strength in just 1 hour
  • Easy to use, just add water

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Product Overview

Rapid Set Mortar Mix is a high quality mortar that is suitable for vertical and overhead applications. It is ideal when rapid strength gain, high durability, and low shrinkage are desired. Use Mortar Mix for general and structural concrete repair, stucco and plaster repair, one-coat exterior plaster, mortar beds, underlayment, and formed work. Mortar Mix sets in 15 minutes and is ready to drive or build on in one hour. Durable in wet environments, it can be applied from 1\2 in. to 6 in. thick. Mortar Mix is a blend of high performance Rapid Set cement with quality sand. Mortar Mix offers superior resistance to chemical attack. It is non-metallic and no chlorides are added. Mortar Mix allows the repair areas to be painted, coated, or sealed quickly after application. Under dry conditions, water-based coatings such as latex paint can be applied after the product is hardened, which usually takes one to four hours. Solvent-based and impermeable coatings such as oil based paint and epoxy can be applied in 16 hours.

California residents: see   Proposition 65 information

  • Fast setting - hardens to structural strength in 1 hour
  • Ultra durable - over 6,500 psi ultimate strength
  • Crack resistant, long-life formula
  • Bonds to concrete, brick, stone and many other surfaces
  • High performance, eco-friendly hydraulic cement formulation
  • Easy to use - just add water
  • Meets ASTM C928 requirements
  • One 55 lb. bag yields 0.5 cu. ft.
  • Learn more about concrete and cement here in our Buying Guide

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Customer Questions & Answers

50 Questions76 Answers

Customer Questions & Answers

55 lb. Mortar Mix
55 lb. Mortar Mix

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3 answers

Cant this be used to patch holes vertically on steps ? Feather edge to 5 inch holes?

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April 24, 2016
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Asked by
ashburnham, MA.
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Home Improvement Profile: DIYer
July 4, 2016
Answer: 
Sure this would work fine for that use. 5 inches is within its advertised size limits, and it does setup quickly, so you could use a temp type form to hold it for just 20-30 minutes. Then it should hold itself.
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Asked by
Houston
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Home Improvement Profile: Professional
June 9, 2016
Answer: 
I only understand the 1st part of your question. I think this is best for that. You won't find anything stronger, or longer lasting. And, the same goes with doing a minor horizontal hole that you might step on. If they are giant holes, add rebar or wire mesh for an added extreme.
I do not understand what you are asking in the 2nd part, "Feather edge to 5 inch holes." Yes, you can feather it if that's Read More
I only understand the 1st part of your question. I think this is best for that. You won't find anything stronger, or longer lasting. And, the same goes with doing a minor horizontal hole that you might step on. If they are giant holes, add rebar or wire mesh for an added extreme.
I do not understand what you are asking in the 2nd part, "Feather edge to 5 inch holes." Yes, you can feather it if that's what you are asking (just use a paint brush). If your asking if it will do a 5 inch hole, my answer on that would be yes (easily). Read Less
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April 25, 2016
Answer: 
Rapid Set 55 lb. Mortar Mix is suitable for patching holes vertically on steps.
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Is the best stuff to use on a stone foundation that needs refinished and to help reseal to stop leaks in basement walls

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October 29, 2015
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Asked by
rochester Ny
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July 30, 2016
Answer: 
I would not recommend it. I would use the Quikrete water stop cement. I have used it on two block foundations and had excellent results both times.
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Asked by
Atlanta, GA Tucker area
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November 3, 2015
Answer: 
wall, floor and stucco repair
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November 1, 2015
Answer: 
Our Mortar Mix is industrial strength and achieves a 7000psi. You can use this material to skim coat foundations from 1/2" to 6" in thickness. Our material is also a hydraulic compound that is non porous so you can use it to stop leaks up to the specified thickness.
Thank you for choosing Rapid Set!!!
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"Craft" use -- making animal tracks

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Asked by
NW Louisiana
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October 11, 2015
Working with Cub Scouts. I have a set of animal track stamps (used to make impressions so the kids can make plaster castings of "real" tracks). The weather hasn't cooperated and the ground is dry & hard. My thought was to scrape off some of the native dirt, mix it with mortar mix to make something like dirt-crete, then use the stamps to press into this mixture. The track-prints don't have to last forever -- I just want there to BE tracks for the kids to find on a "discovery" hike this coming weekend. Suggestions, and would this product work for that?
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Asked by
NW Louisiana
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November 4, 2015
Answer: 
I didn't see an option for posting a follow-up.....
I used the rapid set to make several sets of "deer tracks." They were perfect! And all but a few of the Cub Scouts thought they were the real deal!
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Asked by
Atlanta, GA Tucker area
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November 3, 2015
Answer: 
could, if imprint was in a thin piece of material it might break before higher psi cement
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October 12, 2015
Answer: 
If you are trying to stamp this material with rubber tracks this material will definitely work. Just spray the stamp with Pam cooking spray for the release agent. If you are looking to pour a material into a real track to cast you will want to use our cement all with flow control. This will give you a soupy mix to pour into the casting. Feel free to email me with any further questions at: Read More
If you are trying to stamp this material with rubber tracks this material will definitely work. Just spray the stamp with Pam cooking spray for the release agent. If you are looking to pour a material into a real track to cast you will want to use our cement all with flow control. This will give you a soupy mix to pour into the casting. Feel free to email me with any further questions at: cadams@ctscement.com
Thank you for choosing Rapid Set!! Read Less
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Can this be used with Rapid Set Flow Control?

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Asked by
Boulder
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September 17, 2015
I need to apply this with a mortar bag - can I add your Flow Control product to get it to extrude more easily from the tip of the bag? If so, what are the recommended proportions?
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Asked by
Houston
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June 9, 2016
Answer: 
Yes. Rapid Set Flow Control is a pouch additive that can be used with this 55LB mortar mix. It allows for 20-30 minutes more work time. I think the company rep said there might be a maximum of 3 to 4 pouches that can be used on each 55lb bag. I usually only need 1 pouch per bag in regards to my project remodels.
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Asked by
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September 25, 2015
Answer: 
UPDATE: I did use Set and Flow Control additives with this and it worked well in the mortar bag. Pretty much max'd out the recommended mix with two packets of each per 25lb box of mortar. One thing to note is that the Flow Control will form plasticy clumps that clog the bag if not sprinkled in very slowly and evenly during rotary mixing.
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September 25, 2015
Answer: 
You can apply this material with a mortar bag. We do recommend that you use the Set Control with the material when applying with a mortar bag to give you more working time. You can also use the flow control to give you a more fluid mix.
Thank you for choosing Rapid Set!!
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Customer Reviews

Rated 3.9 out of 5 by 37 reviewers.
Rated 3.0 out of 5.0 by Not as good a product as Quikrete My local Home Depot was out of the Quikrete Mortar and I took the sales associate word that the Rapid set was comparable and I would not notice any difference and it was a bit cheaper. I gave it try and would not recommend it if you are already working with the Quikrete mortar. Rapidset did set as quickly but it much grainier that the Quikrete mortar and not easily to work with if repair stone block. I had more waste on the ground and ended up giving up to return it to another store that had the Quikrete in stock. However, if you are repairing a stonewall this might be a better product to use than the Quikrete because of its coarseness. July 30, 2016
Rated 4.0 out of 5.0 by Strong mortar mix, creates a touch repair or contact connection Ok - how to review a bag of mortar. I decided to use this to repair a concrete septic tank cover plate. This is advertised as strong and quick setting, so lets see how it worked. I had a septic tank cover plate which had about 1/3 its sides broken off, so it either needed to be replaced or repaired. I decided to repair it using this mortar mix. I first make a small form around the broken area (after cleaning it out), and then brought over a mixing bucket. I used about 15 lbs of the 55 lb bag to make this repair and mixed it to a pack-able paste consistency. I then put it into the form I created on the broken off area, and worked it until I was satisfied that it was ready to leave. The outside temperature was about 80 degrees and slightly rainy, but I was not worried about any downpours so I went ahead. After I packed it in the form, and cleaned the tools, I left it for about 30 minutes. I came back to check it and it had already started to harden. Yes it is pretty fast setting. The next morning it was solid as a rock. I used a shovel to pick up the cover, and see if it was also strong, and after gently dropping it onto the tank, I was very satisfy that it was also strong. It seems to live up to its advertisements, and uses. I recommend this product... July 4, 2016
Rated 5.0 out of 5.0 by It is unlike any other brand. It's Fast & Super Hard setting results can be an advantage. Concrete has small rocks + mortar dust (setting posts). Cement has finer pebbles + mortar dust (street work). Mortar consists of mostly fine dust (for filling in between bricks or setting patio slide doors into stucco for example). Rapid Set makes ALL 3 types, which harden Very Fast. The same learning curve is on all 3. But, I've used each in different situations & loved how great it's outcome was each time. This Mortar from my experience has about a 20-35 minutes work time. Home Depot sells an additive package, which gives you an additional 20-30 minutes. As a result, projects are finished much faster than by using other brands. Rapid Set also cures at a Super High PSI rating, which makes my projects last many more years durability-wise (vs. less strong mortar becoming brittle & breaking up over time). I've used this for small to medium projects (jobs that took 1/2 to 2 bags). I've found that making it in batches & using the additive works good. If I had to use a lot more bags, maybe some users might have a point (not sure). I like the long term extra durability this stuff gives... it's so strong you can make little ramps from floors to doorways that would ordinarily crack in short time with older brand stuff. June 9, 2016
Rated 4.0 out of 5.0 by first time working with mortar - not a bad experience Before I go into my experience with this product, I’m going to suggest that if you haven’t worked with something like this before (as was my case) you go watch a video like the one I’m going to link to, just so you have an idea of what the consistency of the mortar mix should look like for your desired application. There’s lots of links out there, but the one I found (and reference below) was done by a representative of RapidSet: So, as you can see from the pictures, I had a couple of holes in my basement: a small one at the juncture of 2 walls and the floor, and another where the wall, floor, and stairs meet. You can’t tell from the pics, but the larger hole also extended a little under the bottom stair. The mortar mix was pretty easy to work with. Obviously i used goggles and a face mask, to avoid getting the dust in eyes or mouth. And the drill mixer was key, especially as the mix got thicker. I initially started to try and measure based on the water:mix formula on the bag, but realized that the consistency was more important, so i just added more mix until it looked and felt right (going by what the video showed). And working with the mixed product was no chore. I double-gloved with nitrile gloves, hand scooped it into the holes and packed it in, then smoothed it with a small trowel. Since it’s a basement that doesn’t look so spiffy otherwise, i wasn’t too worried about a finished look, hence the slightly rough look in the “finished” picture”. Also, the after pic was taken about 24 hours after the “after” picture. I know there’s some part of that that looks still damp, but its not. The whole thing is rock hard and dry. Also, the Installation Guide and Specification docs that are available on the product overview tab for this product are much easier to read over than trying to read the back of a 55# bag of mortar :-) If you’re someone like me that is not intimately familiar working with this stuff, a thorough read of the spec sheet was key. So, yeah, all in all a good experience. October 28, 2015
Rated 1.0 out of 5.0 by Hardens so fast it is useless for all but smallest project This product sets faster than 15 minutes. The bag sayssets in an hour. Once mixed, you have at most 7 minutes to work the mortar, at most. Ruined my cement mixer after being in it and hardening while mixing for less than 15 minutes. Set way too fast to use for a shower mortar base even though it says that is one of the uses stated on the bag. I will certainly never buy this product again. May 7, 2016
Rated 5.0 out of 5.0 by mixes well. I used this motor for 3 different tasks on one project. In each case, it was easy to get the desired consistency. The first was to grout under a threshold for the outside door to the basement. The floor under the door is poured concrete, so this worked out well. It compensated for the slop of the floor nicely. I also does a nice job of keeping water out. The second task was to reset some bricks that had come loose during the project. The mortar easily mixed to a firm consistency, allowing easy adjusting of the bricks to match the adjacent bricks. It is doing a nice job of holding the bricks in place. The third task was the hardest. I had to tuck point some of the bricks in the stairway leading up to the door. Here the consistency of the mix was critical to getting a good bead of concrete into the joint, and having it stay put as it set. The mix did a good job of adhering to the bricks, while still flowing nicely from the grout bag. All in all, I am happy with the results I was able to achieve, especially as I don't have a lot of experience working with mortar, as compared to poured concrete. April 11, 2016
Rated 3.0 out of 5.0 by FAST setting. I mean FAST I would recommend this product ONLY if you can work a bag in about 15 minutes. I mixed a bag and worked it as quickly as I could. I had to complete the first layer of my shower pan within 15 minutes because after that the mortar was SET and unworkable. I wouldn't use this unless you were just in some kind of a hurry. Sets too fast to make a nice finish...unless you are Speedy Gonzales. February 16, 2016
Rated 5.0 out of 5.0 by Smooth, Easy to Work With, Dries Fast This mortar is smooth, easy to work with and dries fast. I needed to re-mortar the lion to the pillar. The moss/mold had eaten away at the mortar (30+years) and the lion stayed there because of sheer weight. Any one who gave it a shove could have made Humpty Dumpty out of him. He is now secure on his pillar hopefully for another 30+ years. May 31, 2015
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