Collen Bros (Quarries) Ltd has been carrying out asphalt
surfacing for over 50 years, from private driveways
and footpaths to full road construction, no job is
too big or small.
The 3 main surface types are shown below:
- SMA - Stone Mastic Asphalt
- HRA - Hot Rolled Asphalt
- AC - Asphalt Concrete (Also known as bitmac or