Dexpan Expansive Demolition Grout 44 Lb. Bucket for Rock Breaking, Concrete Cutting, Excavating. Alternative to Demolition Jack Hammer Breaker, Jackhammer, Concrete Saw, Rock Drill (DEXPAN44BKT1) (77-

This is incredible. Great for even breaking stairs.

Worked great

I wanted to crack this large rock to make a bench. Drilled 12 holes, 2 feet deep, with a 3/4 bit. Very horizontal. I can normally fill 20 or so holes with one bag. I wanted to be there when it cracked so I drilled 10 more holes in between the holes and put in 10 wedges. And after less than 12 hours got a nice beautiful flat crack. Since then, it's continued to lift the rock.

Product performs as advertised provided you follow the instructions. Drilling 1 1/2” holes in ledgerock is not quick work even with expensive tools designed for the task. It took several days for rock to crack up enough to remove after applying Dexpan to holes. If time is not an issue, it is a cost effective solution.

Works great!!!! Saved on equipment rental!

This is an amazing product.

Dexpan used in natural solid Granite Slab to make a ramp ( 10' wide x 6' long and about 45 degree slope). Drilled holes from 24"-32" deep in multiple stages. Spacing of holes were 12"-16" apart. Some of the holes were drilled the recommended 1.5" diameter. Works great. Also tried drilling 1.25" diameter holes. Worked very good for me and sped up the project! I did fill one group of holes with Dexpan while it was raining. Bad idea. Water got into the filled holes and the Dexpan would not expand as designed! Keep area dry if you can and the more time you let the Dexpan " work" the better. Even after 24 hours it was still expanding a little.

This stuff works great. You must read, understand and follow directions carefully.