About us
CQA specialises in: on-site concrete/mortar test cube making, slump testing, concrete core drilling, curing and crushing dynamic cone penetrometer (DCP) testing, sieve analysis and other related services such as soil testing (excavation pits and soil profiling).
Since 2017 the business has been providing professional, reliable and effective services to all who require our services. For this reason, CQA work alongside Readymix concrete suppliers; civil and building engineers; local and provincial government and the Department of Housing to provide professional consulting services and contribute to the success of quality concrete applications to private homeowners, owner builders and building contractors.
CQA has recently completed an enterprise development program GODISA, through TrioPlus Development, endowed by the renowned De Beers. Completed projects include Sun Ridge Heights Bellville, Regent Villas Mitchell’s Plain and Caledon Chicken Farms.
Concrete is a material that can be cast into different shapes, is durable, and is among the strongest and most attractive building materials available. Its increasing use is fundamental for sustainable construction.
Our Services

Dynamic Cone Penetrometer (DCP) testing
DCP testing is used to determine the strength of the subsurface.

Cube Testing
The concrete is tested for the purpose of determining compressive strength.

Slump Testing
A concrete slump test measures the consistency of a concrete batch to se...

Core Drilling
Core drilling is a simple process used to create a hole through concrete.

Nuclear, Troxler, Soil Gauge Compaction Testing
A field instrument used to determine the density of compacted material.











