
Christchurch & South Island
Roofing Solutions for Residential and Commercial Properties
Residential & Commercial Roof Repairs, Maintenance and Specialist Membrane Roofing across Christchurch and Canterbury.
Engineered flat roof precision
BGX Roofing delivers specialized membrane application across Christchurch and the wider Canterbury region. We eliminate multi-trade compromises by concentrating exclusively on heat-welded TPO, Butynol, and Weldtec waterproof systems.
Our certified applicators protect high-value architectural residences and commercial structures against intense UV exposure, thermal movement, and severe wind loads.
Specialized membrane systems
Engineered flat-roof solutions applied to exact technical specifications.
Membrane roofing
Commercial roofing
Repairs & maintenance
Certified application of single-ply TPO, synthetic rubber Butynol, and Weldtec waterproof membranes for architectural residential flat roofs.
Heavy-duty membrane waterproofing engineered for Christchurch commercial developments, industrial facilities, and institutional buildings.
Comprehensive membrane condition audits, seam heat-seal integrity restoration, and targeted flashing repairs for existing commercial flat roofs.
Why Canterbury trusts BGX
Certified applicators
Heat-welded precision
Architectural flashing
Climate resilience
Every installer is rigorously trained and factory-certified in heat-welded TPO, Butynol, and Weldtec installation techniques.
Seams are hot-air welded into a continuous monolithic sheet stronger than the membrane material itself.
Custom-formed internal parapet and edge flashing details engineered to handle seismic displacement and severe weather.
Thickened membrane specifications designed to endure intense Canterbury UV exposure, high winds, and freeze-thaw cycles.



Architectural roof installations
Selected flat-roof membrane projects completed across Christchurch and Canterbury.


