Message to Our Customers


Model # DEXPAN44BOX1

Internet # 204378787

Expansive Demolition Grout for Concrete Rock Breaking and Removal 44 lb. Box Type 1 (77F-104F)

This item has been discontinued.
The Home Depot no longer carries this specific product.

$99.99 /each



Model # DEXPAN44BOX1

Internet # 204378787

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, MSDS (material safety data sheet) is available upon request
  • There are 3 types of dexpan, this is type 1 (for rock or concrete temperature 77F-104F)
  • 44 lb. Box (includes four 11 lb. plastic bags)
  • Fills up to 35 linear ft. (10 m) of 1.5 in. (3.8 cm) diameter 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

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.


Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Warranty / Certifications
Manufacturer Warranty 
Dexpan is warranted to be free from defects in materials or workmanship for one year from the date of purchase. Please read instructions carefully. This warranty does not cover failures or accidents due to abuse, misuse and other user errors. For best results, drilling and mixing are critical for Dexpan®. Users are recommended to call our FREE technical support group before use (575-874-9188). 


Rated 3.0 out of 5 by 2 reviewers.
Rated 5.0 out of 5.0 by Fantastic product that works exactly as described. I wanted to build a koi pond in my backyard, but encountered giant boulders buried beneath the surface. I live on a mountain, mostly composed of solid granite rock. After days and weeks with a jackhammer and sledgehammer, I couldn't finish off some of the biggest, hardest rocks. I purchased Dexpan from HD and, after it arrived, I rented a hammer drill and, following the directions, drilled holes into the rocks. The largest one featured here is a whopping 5 feet tall by about 4 feet wide. After mixing and pouring the dexpan, the rocks began cracking in just a couple hours. By morning, the rocks were fractured, some in larges pieces that had fallen apart (see the last picture). This product does what only fire or dynamite could do in terms of demolition. However, this product, unlike the aforementioned, is safe, easy to use and quick to clean up. I highly recommend this product. April 16, 2014
Rated 1.0 out of 5.0 by BEWARE! I am writing because I ordered this product after seeing the product demonstrated on the product's website. I ordered directly from customer service at the local Home Depot because of the free shipping. I wasn't aware that the product is only recommended for patios with a six inch thickness. The product's website nor does the instructions say this (unless I missed it), but it is under the Home Depot website under product overview---3rd from the bottom. If I had ordered directly from Home Depot website, I maybe could have caught it. I doubt it---our walk out basement patio is also deceptive in that it looks thicker than it actually is. Customers should be clearly warned before spending so much money, time and effort. I would imagine that most customers would purchase this product mainly for patios. July 1, 2014
  • 2015-07-01T14:05:47.317-05:00
  • bvseo_lps, prod_bvrr, vn_prr_5.6
  • cp-1, bvpage1
  • co_hasreviews, tv_2, tr_2
  • loc_en_US, sid_204378787, prod, sort_default
1-2 of 2


Standard Shipping includes delivery by small parcel service. Processing time varies by product.

If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.