Special Application

Metromix caters for those projects with specific technical requirements beyond the measures of everyday concrete mixes.

With the cutting-edge ability to design special-purpose concrete mixes to meet the demands of new technology and industry developments, we have listed our standard range of purpose-designed products to suit a range of specific applications. 

Product Description
BST LIGHTWEIGHT 400 to 2000 kg/m³ lightweight concrete using BST (Polystyrene beads), available at compressive strengths up to and including 25MPa; 10mm aggregate size.
CORE WALL Concrete to infill a permanent structural wall system for residential and commercial developments. Available as 20, 25, 32, 40 & 50MPa with 10mm nominal aggregate, at 140, 150mm or 160mm slump.
FEATHEROCK 2000 kg/m³ lightweight concrete available as 20, 25, 32, and 40MPa; Using 14mm nominal aggregate (scoria aggregate from Victoria) at 80mm slump.
FLEXURAL Concrete specified by characteristic Flexural strength at 28 or 91 days, available at 3.5 to 5.0MPa flexural strength; 20mm aggregate size and 80mm slump.
FLEXURAL SACL Compliant with Sydney Airport Corporation Ltd specifications. Flexural strength of 4.5MPa, using 40mm aggregate and at 40mm slump.
FLYASH BLEND For where a limit on the fly ash content is specified, this mix is available at 20, 25, 32, 40 & 50MPa; using 20mm or 10mm aggregate size and at 80mm slump.
GP1050 AGG Cement only, available at 32, 40 & 50MPa. Crushed aggregate graded from 20mm to 5mm to modified Fuller’s curve and shall be not less than 1050kg/m3.
KERB & GUTTER Available as 20, 25, & 32MPa; designed to be machine placed – extruded or slipformed.
NO-FINES A blend of 20mm aggregate with Type GP cement. Available in ratios from 12:1, 10:1, 8:1, 6:1 (most common), 5:1 4:1 to 3:1.
PILE GROUT Grout for concrete piles, using pile grout aid.
READY-SET™ Available with 20mm or 10mm aggregate size. Concrete with a guaranteed finishing time; especially for cold weather.
RESI-SLAB & FOOT AS1379 Normal-class concrete specified by compressive strength. Available as 20, 25, 32, 40 & 50MPa; 20mm or 10mm aggregate and at 100mm slump.
RTA Complying with the Road & Traffic Authority of NSW specifications for general, road work, bridgeworks and shotcrete applications.
SAND CEMENT Blend of sands with Type GP cement, available in ratios 30:1, 20:1, 12:1, 10:1, 8:1, 6:1, 5:1 4:1, 3:1, and 2:1.
SMART MASONRY GROUT Compliant with Smart Masonry Grout specification, this mix is a blend of coarse and fine sands. Available in average strengths of 32 and 40MPa, using 3mm nominal aggregate, and at 200mm slump.
SYDNEY WATER Compliant with Sydney Water’s specification the WSAA national code (Water Services Association of Australia).
THERMALLY STABLE BEDDING Designed in accordance with Energy Australia specification NS130 + NSA 1533, 1534 & 1536. The term Thermally Stable Bedding (TSB) is for bedding or backfill material with specific thermal characteristics.
TILT-UP PANEL For Tilt-Up and Panel construction, this mix is available as 20, 25, 32, 40 50MPa, with 20mm aggregate size, and at 80mm slump.
UNIFILL™ Universal fill; a flowable, soil strength cementitious material (CLSM), utilising coarse and fine sand. There is no need for compaction equipment when using this product.
WATERPROOFING Combining waterproofing admixtures into the concrete, this mix is available at 32, 40 & 50MPa. For your guarantee, the Admixture Supplier manages the project.
2" PUMPLINE For handling and placing using a smaller pump with 2 inch (50mm) pump line. This mix is available at 20, 25, 32, 40 & 50MPa, using a reduced 10mm aggregate content, and at 120mm slump.