40mm aggregates, also known as coarse aggregates, are premium-quality crushed stones ideal for heavy-duty construction needs. Known for their durability and strength, these aggregates provide excellent load-bearing capacity and are widely used in infrastructure projects, including road base layers, foundations, and railway ballast. The angular shape ensures superior interlocking and compaction. Perfect for projects requiring robust support, buy 40mm aggregates online from Istika Building Materials at low and affordable prices delivered to your doorstep.