Canada’s Leading Distributor of Window and Door Components and Hardware



NAFS Compliant Components


SQ Foot Warehouse — Stocked and Ready to Ship


Team Committed to Your Success


Your Partner Not Your Competitor

YOUR Partner — Not YOUR Competitor

R.W. Coomber exclusively services Door Prehangers and Window Manufacturers. Unlike the competition, we do not manufacture finished doors and windows so you can rest assured that we are not selling to YOUR customers.


Premium Products

Premium Products = Premium Performance

Find all the components you need to build high-performance door and window systems under one roof. Ensure long-lasting performance and eliminate service calls when you choose Novatech Steel Doors, Glass and Frames and RW Coomber Hardware, Sills, Sweeps, Jambs, Astragals, Hinges, Weatherstrip and more, as well as our complete line of Window Hardware.



NAFS — We Test So YOU Don’t Have To

Manufacturers and prehangers who use RWCH products and configurations get Instant NAFS Compliance. There is no need for you to purchase additional testing. Purchase our ingredients, build to our recipe and get compliant instantly.

> Learn More About NAFS



In Stock and Ready to Go

Our Mississauga, Ontario, Canada warehouse has thousands of hardware and components IN STOCK. Easily access our distribution centre from Highways, 401, 403, 407, 410, 427 and QEW. Weekly “milk truck’ runs in select Ontario Markets.