Betonamit non-explosive cracking agent is a non-toxic powderWhen mixed with water and poured into holes 1 1/4″, 1 3/8″ or 1 1/2″ diameter, it hardens and expands, exerting pressures of 12,000 psiReinforced concrete, boulders, and ledge are fractured overnight with no noise, vibration, or flyrockBetonamit is perfect for indoor and outdoor demolition projects includingThree-year shelf life, One product for all temperatures, No licenses or permits required