Building Supplies

Concrete Mix

Blue Circle® Concrete Mix is a blend of specially graded sand, cement and aggregate that is designed for use by the everyday tradesperson and home handy person. Typical uses for Concrete Mix include all general applications where a quality concrete is required, such as garden edges, slabs, foot paths, post holes and footings.

5 – 7mm Drainage Aggregate

5-7mm Crushed River Gravel, also known as 5mm or 7mm CRG, is a natural product used for back-filling trenches, around PVC and Ag-Pipe, and for drainage behind retaining walls.
As this is a natural construction product, the colour of the rock varies from a light grey, to blue, to brown in colour.
One of the main uses of 5 and 7mm CRG, is as a drainage layer for Bio-Retention Pits, also commonly known as Rain Gardens.