Product terminology

Silent cracking agent – meaning and typical use

Silent cracking agent is a marketing-driven but accurate name. It sells the benefit that decides most projects in built-up areas: no noise.

What does the term mean?

A silent cracking agent cracks rock and concrete without impact noise, blast noise or vibration. The material works inside the borehole, where nothing can be heard from outside.

It is the plain-language counterpart of the research term SCDA.

Where does the name come from?

The wording comes from suppliers who needed a name that non-specialist clients would understand – architects, facility managers, private customers.

It spread quickly through online shops and video tutorials because it answers the first question urban clients ask.

Where is the term used?

Common in advertising, online shops, city-centre projects and communication with residents.

Less common in formal specifications, where the legal or mechanical terms are preferred.

  • Online shops and advertising
  • Urban and residential projects
  • Communication with neighbours and clients
  • Facility management and refurbishment

Is the term technically unambiguous?

Understandable but imprecise. The splitting is silent; drilling, breaking out and removal are not.

Use it to explain the benefit, and a precise term such as expansive demolition agent for the technical part of the document.

How does the product work?

There is no impulse: the pressure develops over hours and the material simply opens along the borehole line. What is audible is at most a faint crack.

Noise on site therefore comes from the drilling stage and from removing the loosened material, which can often be scheduled inside permitted hours.

Typical applications

  • City-centre construction sites
  • Residential refurbishment
  • Hospitals, schools and offices in use
  • Night-time and weekend works
  • Projects with noise restrictions

BETONAMIT® and this term

BETONAMIT® is used as a silent cracking agent wherever noise limits govern the programme – in hospitals, hotels and occupied buildings.

Application examples and references are on the BETONAMIT® product page.

Frequently asked questions

+Is the process really silent?

The splitting itself is. Noise comes only from drilling and from removing the broken material.

+Can it be used at night?

Yes. The reaction runs unattended, which makes overnight working a common way to save programme time.

+Is there any dust?

The splitting produces no dust. Dust comes from drilling and can be controlled with water or extraction.

Questions about the right term or the product?

We have advised planners, contractors and distributors on non-explosive demolition for over 50 years – from drill pattern to pack size.