Spadina Museum Restoration.
Trusted for Toronto's most complex exterior renewals — a heritage landmark, custom zinc, and zero room for error.
Overview
A major renewal in the GTA demanding flawless execution on a grand scale. SunFlow's integrity plus the award-winning expertise of Karl Hakkarainen and CR Systems — using zinc for its unmatched durability and longevity.
Scale, precision and a public stage.
Massive scale & complexity
Approximately 10,000 sq ft of advanced weather-barrier siding and custom-fabricated metal roofing.
Precision under pressure
A durable, stunning transformation that demands tight, clean details and meticulous craftsmanship across an extensive structure.
Logistical planning
Challenging access, material staging and safety planning — extensive scaffolding with minimal disruption to a high-profile site.
Uncompromising quality
The combined expertise of the SunFlow and CR Systems teams, with their proven track record and awards.






Precision, durability and longevity.
Custom metal systems
Custom-fabricated metal roofing and advanced siding crafted from long-lasting zinc for durable protection and a stunning aesthetic transformation.
Seamless execution
A “quiet” installation: professional crews and meticulous planning for flawless execution with minimal disruption.
Integrated team expertise
SunFlow and CR Systems together, from material handling to flashing — a weather-tight seal and an enduring finish.
The ultimate deliverable
A structure that embodies “Quiet Strength, Lasting Beauty” — proof of our capability on the most complex, quality-driven projects in the GTA.
Project phases
Discovery
Site survey, access planning, scaffolding and material staging.
Installation
Zinc roofing and weather-barrier siding going on, whatever the season.
Completion
Check back soon to see the final result.
Next project
Downtown Toronto Residence
Have a landmark that deserves this?
We take on the complex, high-profile exterior renewals other contractors walk away from.
Large-scale technical complexity handled by one accountable team.
Access, staging and safety planned for high-profile sites.
Award-winning partners and meticulous craftsmanship.