Scoria 20mm volcanic rock is approximately 12-20mm. It is red in colour, lightweight and porous. Scoria is mainly used for its
Screenings Bluestone 14mm
Screenings Bluestone 14mm is used for drainage around sewer pipes and can be used for concrete. Commonly used by plumbers
Screenings Bluestone 7mm
Screenings Bluestone 7mm is used for drainage around sewer pipes and can be used for concrete. Commonly used by plumbers