High Quality Services

We pride ourselves on our ‘smart’ approach to delivering projects. In everything we do, we work to ensure our clients obtain the optimal outcome possible.

Our road construction services help you to understand the behavior of road materials in relation to expected loads and deterioration mechanisms. We have the experience and expertise to test and assess the performance and durability of road materials and products.

How it works

Expert personnel and a professional laboratory for testing building materials

Fit for purpose solutions for any type of client, whether it be government, designer, contractor, (raw materials) supplier

State-of-the-art knowledge. SGS Intron is a forerunner in new developments in road construction. We have participated in the development of several new road products, including rollpave and silent joints

Impartiality. SGS Intron is an independent and impartial institute, and can therefore act as an impartial third party

Road construction services include:

Assessment and improvement of asphalt properties

Determination of asphalt component quality and suitability (bitumen, aggregates also secondary)

Development of new road products, including rollpave and road materials

Assessment of damage to (overheated) asphalt

Laboratory testing of bitumen, including composition (PAH and rheology/viscosity)

Calculations of the CO2 footprints of semi-heated asphalts

Assessment/testing of expansion joints

Determination of the maintenance condition of existing roads, drawing up subsequent maintenance/repair plans

Service life predictions

Controls of road mixture designs and auditing/inspection of road product application

Contact Us

We do not compromise quality and it is the corner-stone of our business solutions. We need your feedback.


4, Ashdown Drive, Ashdown Park, Harare

Tel:   |   +263 773 220 193/ 04310759

Email:   |   tatenda@visionaryengineering.net

Working Hours

Monday - Friday   |   8am - 5pm
Saturday   |   08.00 am - 5.00 pm