Heavy-Duty Hollow Metal Doors & Steel Frames
Engineered for durability. Code-compliant by design. Stocked and prepped in Oldcastle to keep your Windsor-Essex and Chatham-Kent projects on schedule.
Structural Integrity for Commercial Builds
When managing an industrial facility, institutional development, or retail build, your entryways cannot be a weak point. Tremblar Building Supplies delivers premium, commercial-grade hollow metal steel doors and engineered frame systems that stand up to high-traffic wear, rigorous security demands, and harsh environmental conditions.
As a dedicated B2B distributor based in Oldcastle, Ontario, we bridge the gap between complex architectural blueprints and structural readiness on-site. We specialize in providing complete, field-ready opening assemblies tailored exactly to your Division 8 sub-contract specifications.
To ensure your projects receive maximum structural longevity, Tremblar partners primarily with Baron Metal, a premier manufacturer of commercial steel doors and frame systems. Every product we supply is manufactured to strict technical tolerances, ensuring seamless installation and flawless field performance.
Industry-Standard Engineering
Hollow Metal Steel Doors
Commercial Steel Frame Systems
Certified Fire-Rated Openings
Streamlined Logistics from Takeoff to On-Site Delivery
Precise Blueprint Takeoffs
Job-Site Delivery
Complete Openings Solutions
Serving Windsor-Essex & Chatham-Kent Since 1975
Operating out of our central facility in Oldcastle, Tremblar is strategically positioned to support commercial projects throughout the local region:
Windsor & Tecumseh
Institutional upgrades, office build-outs, and retail developments.
Lakeshore & Essex County
Light industrial builds and agricultural-commercial facilities.
Chatham-Kent
Municipal, commercial, and multi-family residential construction.
Would you like to start a project with us?
Our team is ready to help you choose the right products and solutions for your commercial building.
