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Resealing (P04)

Published: | Category: Construction , Chipsealing , Specifications | Audiences: Road controlling authorities, Road traffic engineers & consultants

P04 Specification for resealing sets out a client-prescribed method for the construction of a chip seal on a pavement that has an existing surfacing. It includes “second coat seals” and any subsequent chip seal layer.

The areas covered by the specification include:

  • treatment selection
  • aggregate supply
  • plant and equipment
  • construction of the seal
  • quality requirements.

P04: 2025 specification replaces the version issued in 1995.

Publication details

  • Author:
  • Published: June 2025
  • Reference: NZTA P04
  • Contact: pavements@nzta.govt.nz
  • Also known as: P4; P/4