At Smythes Quarry the 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:

• 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 Sealing Chip NZTA M06 2019