General Building Material (GBM) offers a full range of drywall (or gypsum) and building supplies. We stock drywall of all sizes.


• Blanket/Batt• Foam Board/Rigid Foam• Blown-In & Sprayed

Ceiling Tiles

We carry Certainteed, Armstrong, USG brands, and always have a large selection of tiles in stock! Don't see what you're looking for or have a specific product in mind? Let us know and we can order it in!

Steel Studs

• Always in stock: light gauge steel• Sizes are 8 ft, 9 ft, 10 ft and 12 ft• Special order gauges & sizes available within 48 hours


We deliver into the Greater Toronto Area (GTA), Mississauga, Orillia, Barrie, Milton, Oakville to Hamilton and surrounding areas. We may be working on projects beyond. Ask us for further details of delivery.

Compounds & Tools

We carry CGC, Certainteed and Continental brands. We have tape, tools, and everything else you'll need to tape your wall for DIYers and contractors alike!

Emergency? Call now!