20mm Blue Metal is a quarried crushed-rock aggregate listed for drainage, trench backfill, retaining-wall drainage and concrete preparation. It is the larger of our two blue metal grades. For a specified concrete mix or drainage design, confirm the aggregate grade and request current product specifications before ordering.
Compare related materials: 10mm Blue Metal, 20mm Recycled Aggregate.
Shantana supplies loose materials from our Springwood yard, with delivery across the Blue Mountains up to and including Mount Victoria, the Penrith area, Windsor, Richmond and Yarramundi. See delivery information and contact our team to confirm availability, load size and site access.
For a quote, tell us the material, quantity and delivery suburb. Request a delivery quote or call (02) 4751 3977.

