We are the difference 

Demwreck is a drilling and blasting company servicing the aggregate and cement industry.
The business was established in 1994 as a sole propriety and although crawling and falling at first the company has grown into a major role player in the market.

Demwreck has got a solid client base servicing 15 quarries country wide providing quality drilling and blasting solutions, our client base range from corporate clients to privately owned mines and family operated ventures.

For the past 23 years Demwreck strives to constantly improve with technology as it evolves.  We make it our business to keep our fleet up to date with the best and most modern machinery available in the global market. We are a safety and maintenance driven company and our approach is to ensure the least possible amount of downtime on your site, as we understand that time is money.    

Our state of the art workshops and offices are situated in Sunderland Ridge ,Centurion. This provides a hub from where all admin and most maintenance is been done and a distribution platform to supply support to our branches in the Northwest province and KZN.

The Demwreck team is the market leaders in providing level quarry floors, maximum fragmentation and minimum oversize. Our incorporated technologies and standard operating procedures makes it possible for us to provide your company with the best drilling and blasting solutions in the country as the end result. 

Try Demwreck to see what the market standard should be.


Contract Drilling

Do you require a fully competent team to come and drill to your specifications on your mine?

Demwreck is the answer to all your requirements.

All our drill rigs are equipped with laser levelling instrumentation to ensure drilling accuracy and a level quarry floors as an end result.

Blast holes are plugged with plastic pipes to prevent the collars from collapsing and loose materials entering the perfectly drilled hole.

Drilling sites are also been provided with high tech drill bit sharpening stations to sharpen drill bits. Sharpened bits increase penetration rates and decrease fuel consumption.

All our drill rig operators and blasters are certified with the MQA and all personnel have valid medical certificates. 


ROG – Rock on Ground

Do you have a need to transform a solid bench in your quarry into material running effortlessly through your crushing plant?

The rock on ground service is a turnkey transaction where Demwreck is doing the drilling blasting and all secondary breaking for a fixed price per cubic meter.

This service include the following:

◊  Laser profiling and Drilling of blast holes
◊  Ground and air vibration analysis and control
◊  Electronic initiation systems
◊  Insurance cover
◊  Blast designs
◊  Blasting
◊  Face profiling
◊  Bore tracking

Further More……………..we guarantee the quality work you require on deadline timeline that is available!

No Structural Damages

No Accidents

No Casualties

No Fatalities



Our blasters are fully certified with all the required institutions – Inspector of Explosives and DMR .  All our drill rig operators and our excavator operators are certified with the MQA and all personnel have valid medical certificates.


Legal Compliance : Tax Clearance Certificate – VAT Compliant – WCC Letter of Good Standing – Employees TAX Compliant – B-BBEE Level 2 Certificate


Still not sure if we are the right fit for your? – Please note that Demwreck has over 50 years of combined old school and new modern experience in the blasting industry.


Demwreck started out with hand held rock drills and pneumatic breakers. We cut our teeth with air crawlers and compressors doing drilling, blasting & demolition. Today we are using the most advanced hydraulic drill rigs and hydraulic rock breakers the market can offer.

We had no shame in working ourselves up from the bottom to the top. 

No man is an island and everything doesn’t always run smoothly – the company is confronted on a daily basis with operational and administrive obstacles.  We never run from a challenge and we are not too proud to use all of our knowledge, resources and skills to commit to resolve any challenges that we are faced with.  Our relationship with our clients and suppliers is the core and the most important factor of the success of our business. 







Country Wide


Behind The Scenes



Let’s be the difference

Physical Address : 147 Van Tonder Street – Sunderland Ridge – Pretoria
Tel : (012) 882 0037
Email : admin@demwreck.co.za