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

$4199 /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

Info & Guides

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Customer Questions & Answers

will it work on a slab 4 or 5 inches thick I have an old cistern its not connected to the house w...

will it work on a slab 4 or 5 inches thick I have an old cistern its not connected to the house want to bust the top then fill it in
Asked by: joe
Yes, it cracked an 8" block I had
Answered by: SteveO
Date published: 2017-07-11

What is smallest hole it can be used in?

Asked by: Randy
I used it in one inch holes and it worked ok
Answered by: EJ
Date published: 2017-05-19

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 4.4 out of 5 by 66.
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 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 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 This product works great. I used it to demolish concrete steps that included broken bricks. The... This product works great. I used it to demolish concrete steps that included broken bricks. The hole drilling took a long time but filling the holes was easy. The next day it was cracked into chunks that I could move with my wheelbarrow. If you're patient, this is best way to demo old concrete.
Date published: 2017-04-27
Rated 3 out of 5 by from Worked pretty good. Admittedly I used it on some pretty... Worked pretty good. Admittedly I used it on some pretty hard granite to assist in breaking up a big boulder. Saved me some more troublesome jack hammering, but still had myself a good workout post dexpan. I imagine it would work really good in a standard concrete application.
Date published: 2017-05-09
Rated 5 out of 5 by from Worked exactly as claimed. Broke up a reinforced footing for easy removal. One crack line did not... Worked exactly as claimed. Broke up a reinforced footing for easy removal. One crack line did not stop at expansion holes drilled for that purpose so be sure to drill many expansion holes if you have areas you want to protect.
Date published: 2017-05-02
Rated 5 out of 5 by from I have a 8 in thick block of concrete which as 2 ft x 2 ft. I drilled 7 holes and filled it with ... I have a 8 in thick block of concrete which as 2 ft x 2 ft. I drilled 7 holes and filled it with Dexpan By the next day it was totally broken into many pieces. I was amazed since this was a very thick block.
Date published: 2017-07-11
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