Building materials
10 mm vs 20 mm Aggregate: Which Size for Which Concrete Work?
Aggregate size affects strength, workability and finish. Here is how to pick between 10 mm, 20 mm and 40 mm — and why most RCC uses a blend.
Practical, engineer-checked guides on cement types and grades, quantity estimation, pricing and GST, site practice and building materials — for builders, contractors and homeowners.
2 articles for “aggregate” · Clear search
Aggregate size affects strength, workability and finish. Here is how to pick between 10 mm, 20 mm and 40 mm — and why most RCC uses a blend.
Before a slab pour you need every material on site at once. Here is how to calculate exactly what to order, with a worked example.
Get an itemised quotation with cement, freight, unloading and GST shown line by line — and deliveries scheduled to your programme.