Guides & FAQ
Commercial Door Questions, Answered
One page per product line, with the questions we are asked most, answered in a paragraph each and linked to the page that goes further. For long-form guides, see the blog.
Commercial Door Closers, Exit Devices & Astragals: Questions Answered
How to adjust a commercial door closer, plus short answers on exit devices, locks, astragals, thresholds, hinges, specifications and cost.
Commercial Glass Thickness, Types & Broken Glass: Questions Answered
How thick commercial glass is, which glass goes where, what to do when it breaks, board-ups, lead times and what drives the cost.
Curtain Walls, Glass Doors & Aluminum Entrances: Questions Answered
What a curtain wall is and how it works, plus short answers on aluminum entrances, frameless glass doors, sliders, glass, repair and lead times.
Double-Acting, Traffic & Impact Doors: Questions Answered
Double-acting doors explained, and short answers on traffic versus impact doors, vision panels, fire and exit rules, materials, repairs and lead times.
Fire Door Labels, Ratings & Codes: Questions Answered
Fire door labels and tags explained, and short answers on ratings, Ontario code, inspection, hardware, glass, fire shutters and cost.
How to Soundproof a Door: STC & Acoustic Door Questions Answered
How to soundproof a door, what STC ratings mean, which rating a room needs, and what works (and what does not) on doors, glass and partitions.
Loading Dock Height, Dimensions & Equipment: Questions Answered
Standard loading dock height and dimensions, plus short answers on levelers, seals and shelters, bumpers, dock safety and cost.
Operable Wall STC Ratings & Acoustics: Questions Answered
STC ratings for operable walls and folding partitions explained, plus choosing, operating, servicing and budgeting for a movable wall.
Roll-Up Door Problems, Parts & Care: Questions Answered
How a roll-up door works part by part, the common problems and what causes them, springs, operators, safety, service life, cost and lead times.
Standard Commercial Door Sizes, Types & Frames: Questions Answered
Standard commercial door sizes and what the numbers mean, plus clear width, rough openings, frames, door types, handing, hardware, lead times and cost.
Storefront Glazing, Framing & Glass: Questions Answered
Storefront glazing and framing explained, and short answers on glass types, thermal breaks, doors, security, cost and lead times.
Types of Rolling Shutters, Grilles & Security Gates: Questions Answered
Rolling shutters, rolling grilles and folding gates compared, with short answers on security, motors, locks, repair, fire shutters and cost.
What Is a Hollow Metal Door? Gauges, Frames, Finishes: Questions Answered
What hollow metal doors are and how they are built, with short answers on gauge, cores, frames, painting, repair and cost.
Wheelchair Accessible Door Width & Automatic Doors: Questions Answered
Wheelchair accessible door widths in Ontario, and short answers on barrier-free rules, door operators, push plates, sliding doors, inspection and cost.
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