Brookby Quarry have a range of aggregate and pap, when blended with a bituminous binder make high quality Dense Graded and Stone Mastic Asphalts to NZ Transport Agency Waka Kotahi M10 specification.

Aggregate for sealing chip are manufactured to meet specified properties for strength, size, shape, weathering resistance and polished stone value.  Aggregate is crushed, screened and washed to meet NZ Transport Agency Waka Kotahi M06 specification for Grades 2-6 sealing chip.

Our Asphalt & Sealing Chip range:

• Premium All Passing 6 - PAP 6

• Sealing Chip Grade 2

• Sealing Chip Grade 3

• Sealing Chip Grade 4

• Sealing Chip Grade 5

• Sealing Chip Grade 6

NZ Transport Agency Waka Kotahi Specification for Dense Graded Asphaltic Concrete NZTA M10 2020

NZ Transport Agency Waka Kotahi Specification for Sealing Chip NZTA M06 2019