NZ Roofer's Guide to Quoting Metal Roof Replacements

Metal roofing dominates NZ residential. Here's how to quote replacements.

Metal Roofing Options

Corrugate

• Standard: $45-65/m² installed
• Long-run: $50-70/m² installed

Tray/Standing Seam

• Standard profile: $55-80/m² installed
• Architectural: $70-100/m² installed

Tiles (Pressed Metal)

• Gerard/Metrotile: $80-120/m² installed

Quote Components

Removal

• Strip existing: $15-25/m²
• Disposal: $8-15/m²

Installation

• Roofing iron: As above
• Underlay: $8-12/m²
• Flashings: $25-45/linear metre
• Ridging: $30-50/linear metre
• Guttering: $35-55/linear metre

Extras

• Skylights: $800-1,500 each
• Ventilation: $150-300 each
• Roof safety: $500-1,500

Warranties

• Material: 15-30 years
• Workmanship: 5-10 years
• Weathertightness: 10-15 years

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