Model # DEXPAN11BKT1

Internet #204378790

Dexpan 11 lb. Bucket Type 1 (77F-104F) Expansive Demolition Grout for Concrete Rock Breaking and Removal
0810684020009

Dexpan

11 lb. Bucket Type 1 (77F-104F) Expansive Demolition Grout for Concrete Rock Breaking and Removal

$41.99 /each

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Product Overview

Concrete demolition and rock breaking has never been easier with Dexpan Expansive Demolition Grout. Dexpan is a powder with amazing 18,000 psi expansive strength when mixed with water. Poured into drilled holes, Dexpan can break concrete and rocks safely and quietly, while providing silent cracking. It is safer, easier and more cost effective.

  • Amazing 18,000 psi expansive strength when mixed with water breaks reinforced concrete, granite, marble, limestone and other non-porous rocks
  • 3-easy steps to use: drill, mix and pour, to ensure success, watch instruction video before use
  • Cracks according to designed drilling patterns for controlled demolition and easy clean up
  • An alternative to blasting, hydraulic breakers and jackhammers, which is safer and efficient, works without noise, vibration or dust by providing silent expansive cracking
  • Non-toxic material, SDS (safety data sheet) is available upon request
  • 3 types of Dexpan, this is type 1 (for rock or concrete temperature 77F-104F)
  • 1 - 11 lb. plastic bag inside
  • Fills up to 9 lin. ft. of 1.5 in. (3.8 cm) Dia holes
  • Not recommended for concrete slab less than 6 in. in depth
  • Give it 24-hours for best results
  • Safety goggles, rubber gloves, dust mask is required

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Customer Questions & Answers

Is it going to brake the chain?

The concrete is stuck on a machine chain. I need to keep the chain good, but crack the concrete. So, Is the chaing going to get crack
Asked by: JAMES
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Customer Reviews

11 lb. Bucket Type 1 (77F-104F) Expansive Demolition Grout for Concrete Rock Breaking and Removal is rated 4.3 out of 5 by 51.
Rated 5 out of 5 by from Drill Holes, Pour in Goop, Wait 24 hrs. A company wanted $300 to remove this large piece of concr... Drill Holes, Pour in Goop, Wait 24 hrs. A company wanted $300 to remove this large piece of concrete. I did it for $40 with Dexpan. It didn't break it up as much as I would have liked but that could have been due to my hole placement. It was an odd shaped piece. 100 times easier than using a jackhammer. It does what it's supposed to.
Date published: 2016-11-08
Rated 3 out of 5 by from I bought this product to try and break up a very thick layer of caliche in my front yard--I drill... I bought this product to try and break up a very thick layer of caliche in my front yard--I drilled holes about 4 inches apart and 10 inches deep, filled them with Dexpan slurry, and left everything for 24 hours. Admittedly, the application is probably not exactly what this product was designed for (a buried, consolidated rock layer, rather than a standalone boulder or concrete), but I didn't have any luck breaking up the caliche layer. The product definitely expanded vertically, but it didn't seem to expand horizontally. I tried again with a hole drilled in the side of my excavation, which gave some open space that the caliche could expand into, and that seemed to work a bit better. This isn't much help if I'm trying to break up the material at the bottom of an excavated area, however, which is ultimately what I hoped to use it for. This was a bit of an expensive experiment, and I would not recommend it for breaking up caliche. I did like that the expanded product is a powder, which is much easier to clean up and dispose of than a chunk of hardened material (which I expected).
Date published: 2017-04-08
Rated 5 out of 5 by from This stuff worked great on breaking up some boulders in the back yard, I used a 1 inch Hilti bit... This stuff worked great on breaking up some boulders in the back yard, I used a 1 inch Hilti bit 7 inch's long, drilled hole about 7" deep and about 6" apart.
Date published: 2017-04-03
Rated 5 out of 5 by from Exceeded expectations. The 11 lb bucket was not enough to do the entire job; I bought the small b... Exceeded expectations. The 11 lb bucket was not enough to do the entire job; I bought the small bucket just to see if it would work. I used this on front steps, which are solid concrete with reinforced steel re-barb and netting. I did not use it exactly as instructed. I drilled 1 inch diameter holes and spaced them about every 8 inches; each hole was about 8 inches deep. The 11 lb bucket filled 38 holes (spilled a little). After 24 hours, there were a few very tiny cracks between the holes; the cracks became more numerous and larger each day I waited, after 1 week, the cracks were 1/4 - 1/2 inch wide and large chucks of concrete began to fall apart. See photo. I'm buying the 44 lb bag to do the rest.
Date published: 2017-03-28
Rated 4 out of 5 by from I used this product to break a big granite boulder that was too close to my house. The hardest pa... I used this product to break a big granite boulder that was too close to my house. The hardest part is drilling the holes but once those are done the rest was easy. Just mix, pour, and wait...and wait. They say it activates in 12-24 hours. Maybe it was the weather but it took 2 days for the first batch to show cracks which continued to widen over the next couple of days, and 3 days for the second batch. But each time it worked as advertised. Good product!
Date published: 2017-04-12
Rated 5 out of 5 by from I drilled the holes with a 7/8"" bit, which was smaller than what was recommended since I didn't b... I drilled the holes with a 7/8" bit, which was smaller than what was recommended since I didn't believe I would be able to operate a larger drill that could accommodate a 1.5" bit . There was no visible reaction during the first 36 hours after I had poured in the Dexpan, and I was thinking that the product wouldn't work because of the smaller hole diameters. The second day, however, it started to rain and within the next 6 - 8 hours, large cracks appeared as I had seen in the videos. When I pulled the pieces apart I found quite a bit of dry dust in the holes, which more than likely meant that the concrete had been porous, and absorbed the water before it could activate the expansion. The air temperature was about 55 F, and it is possible that the process had been faster on a warmer day. Despite having to wait a bit longer than I originally anticipated I was impressed with the results, and relieved over the procedure not being more complicated than you typically see in the demonstration videos.
Date published: 2016-10-30
Rated 2 out of 5 by from Could've worked better Results were disappointing. I drilled the holes as instructed, poured mix and waited pass the 48 hours. The temperature may have dropped a little below the 50 degrees minimum. As a result, there were only small fragments of the large rock that broke.
Date published: 2016-11-29
Rated 5 out of 5 by from Worked well. Drilled holes in concrete about six inches deep. Inserted Dexpan and let sit for two... Worked well. Drilled holes in concrete about six inches deep. Inserted Dexpan and let sit for two days. Having broken up my sidewalk with and without Dexpan, much easier with the assistance of this product.
Date published: 2017-04-08
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