Project Overview

Weatherproof Consulting provided a holistic approach to upgrading a rooftop in Sydney Harbour’s prime positioning, ensuring longevity and aesthetic appeal while maintaining compliance with Building Code of Australia standards and relevant Australian Standards.

Key Issues

  • Excess water ponding
  • Inadequate gradient preventing proper water discharge
  • Roof membrane degradation
  • Water ingress through various elements
  • Missing overflow provisions

Project Objectives

The client required a rooftop that is:

  • Fit for purpose
  • Leak-proof
  • Durable
  • Equipped for future solar panel installation

Design & Planning

The comprehensive planning approach included:

  • Site level survey to determine existing gradients and requirements
  • Wind uplift study to establish membrane installation methodology
  • Hydraulic analysis to determine necessary overflow provisions

Implemented Solutions

The team applied:

  • N16 vertical and N12 horizontal steel reinforcement with N24 dowels and 32MPa concrete for increased parapet wall achieving 4-degree internal grade
  • 6 overflow provisions cast into concrete
  • Vapour barrier installation
  • 1:60 tapered insulation board
  • PVC welded fully adhered membrane
  • Weldable bars for solar panel installation without structural slab penetrations
  • ITP Checklist during works including seam probe, level survey, and adhesion testing
  • Post-completion flood, seam probe, and thermal scanning verification

Warranty

A 20-year manufacturer and applicator warranty was provided given the extensive specifications applied.


“Thankyou so much for your efforts and going above and beyond as always. A Huge Thankyou”

The Client — Confidential