Commercial Doors, Frames & Hardware for Windsor-Essex
Hollow metal doors, frames, hardware and commercial openings solutions for contractors and businesses across Windsor, Essex and Chatham.
Hollow Metal Doors & Frames
Premium hollow metal doors and steel frames for commercial, institutional, and industrial projects across Windsor-Essex, with custom solutions available.
Commercial Wood Doors
Commercial-grade wood doors in selection of sizes, cores and veneers, with fire-rated options, to meet performance and aesthetic design requirements.
Architectural Door Hardware
Complete hardware solutions, including locksets, closers, hinges, exit devices, and access control products designed for secure, code-compliant applications.
Automatic Doors & Accessibility Operators
Automatic door systems operators designed to improve safety, convenience, and barrier-free access while meeting commercial standards.
Toilet Partitions & Washroom Accessories
Commercial solutions, including toilet partitions, grab bars, mirrors, dispensers, and accessories designed for durability & accessibility.
Access Doors, Hatches & Specialty Products
Access doors, roof hatches, and specialty building access solutions designed for secure, durable, and code-compliant applications.
Who Do We Serve
CONTRACTORS
ARCHITECTS & DESIGNERS
PROPERTY MANAGERS
SCHOOLS & UNIVERSITIES
HEALTHCARE FACILITIES
INDUSTRIAL & MANUFACTURING
RETAIL & COMMERCIAL
Why contractors & businesses choose Tremblar
For over 50 years, general contractors, developers, and institutional project managers across Windsor-Essex Country and beyond have relied on Tremblar Building Supplies to deliver precision-engineered openings, while safeguarding your project timelines, budget accuracy, and building code compliance.
Proudly Local
Based in Oldcastle, Ontario, serving Windsor-Essex, Chatham and surrounding areas.
Fast & Reliable
Quick turnaround times, dependable service, and on-time delivery you can count on.
Custom Solutions
Specialized products and solutions built to meet the unique needs of your commercial project.
Trusted Quality
We partner with leading manufacturers to deliver durable, code-compliant products.
Built on Reliability, Sourced from the Best
Contractor-First Logistics
On-Time Site Delivery: We coordinate directly with your site managers to deliver doors, frames, and hardware directly to your job site across Windsor-Essex and Chatham-Kent, keeping your crew moving.
Rapid Lead Times: Operating out of Oldcastle, our localized inventory management minimizes supply chain friction, ensuring your materials arrive exactly when required.
The Industry’s Elite Brand Portfolio
Trusted Manufacturers: We are authorized distributors for the field’s most respected commercial names, including Fleming, Baron Metal, Assa Abloy, Sargent, Corbin Russwin, Bobrick and more.
Zero Guesswork: By supplying industry-standard brands, we eliminate compatibility errors between architectural hardware, frames, and assemblies.
Technical & Code Compliance Mastery
Division 8 & 10 Specialists: From heavy-duty hollow metal steel entries to custom Division 10 washroom partitions, our experts ensure every item meets your exact architectural specs.
Certified Fire-Ratings: We specialize in certified fire-rated doors and commercial hardware assemblies, guaranteeing absolute compliance with the Ontario Building Code on inspection day.
Brands We Trust
What Our Customers Say
Ready to start your next project?
Our team is ready to help you choose the right products and solutions for your commercial building.
