Services
Roofing & Cladding
Services Across Sydney
Licensed roofing and cladding work for homes, strata, and commercial projects across Sydney.
From metal and tile roofing to architectural cladding, facades, gutters, and emergency repairs — Ontra Construction has delivered quality roofing and cladding work across Sydney for over 20 years. We service homes, strata buildings, and commercial projects from the Eastern Suburbs to the North Shore, Inner West, and beyond. Every job meets the same standard: licensed, insured, and built to last.
Roofing
Standing Seam Roofing Sydney
Architectural zinc and metal standing seam systems for premium homes.
Roofing
Metal Roofing Sydney
Colorbond, Zincalume and steel roofing across Sydney.
Roofing
Tile Roofing Sydney
Concrete and terracotta tile replacement, repointing and restoration.
Specialty
Skylight Installation Sydney
Natural light solutions for residential and commercial buildings.
Cladding
Cladding Installation Sydney
Vertical and horizontal metal cladding facades.
Drainage
Box Gutter Installation Sydney
Custom-fabricated box gutters built to AS/NZS 3500.3.
Drainage
Gutter Installation Sydney
Quad, half-round, square line and custom gutters.
Drainage
Fascia & Downpipes Sydney
Replacement and matching fascia and trims.
Drainage
Leaf Guard Installation Sydney
Mesh systems that protect gutters without compromising flow.
Roofing
Roof Restoration Sydney
Bring a tired roof back to specification.
Roofing
Re-Roofing Sydney
Tile-to-metal and metal-to-metal re-roofing across Sydney.
Maintenance
Roof Maintenance Sydney
Scheduled maintenance plans that extend roof life by decades.
Maintenance
Eave Replacement Sydney
Where most leaks start — eave repair, replacement and inspection.
Specialty
Bullnose Roof Sydney
The curved verandah roof that gives a home its character.
Maintenance
Roof & Gutter Cleaning Sydney
The cheapest maintenance you will ever do on your roof.
Maintenance
Roof Leak Detection Sydney
Find the source, not just the symptom.
Maintenance
Roof Reports Sydney
Professional PDF reports for strata, sales and insurance.
Maintenance
Insurance Roof Repairs Sydney
Storm, hail and impact damage — managed with your insurer.
Commercial
Commercial Roofing Sydney
Office, retail and hospitality roofing across Sydney CBD and metro.
Commercial
Industrial Roofing Sydney
Warehouses, factories and large-span structures.
Commercial
Apartment Roofing Sydney
Multi-residential roofing for developers and strata.
Maintenance
Strata Roof Maintenance Sydney
Long-term maintenance partner for strata committees.
Maintenance
Emergency Roof Repairs Sydney
24/7 storm response across metropolitan Sydney.
Maintenance
Preventative Roof Maintenance Sydney
Plans that prevent the call you don't want to make.
Specialty
Roof Safety Systems Sydney
Anchor points, static lines and walkways — certified to AS/NZS 1891.
Specialty
Roof Ventilation Sydney
Passive and powered ventilation for cooler, drier roof spaces.
Specialty
Polycarbonate Roofing Sydney
Pergolas, awnings and patio roofing in modern polycarbonate.
Specialty
Roof Flashings Sydney
Custom-folded flashings — the difference between dry and wet.
Maintenance
Roof Inspections Sydney
Pre-purchase, annual and insurance inspections.
Maintenance
Drone Roof Inspections Sydney
CASA-licensed drone imagery for safer, faster inspections.