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Plain-English technical guides from a team that has serviced commercial doors and docks since 1912. Built to help you specify the right equipment the first time.
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Loading docksLoading Dock Planning GuideDock height, door sizes, leveler capacity, bumpers, restraints and seals, with the calculations to check your own numbers.Read the guide →
SpecificationCommercial Garage Door SizesStandard commercial openings, headroom and sideroom, dock door sizes and how to measure your opening.Read the guide →More by topic
Garage sizes
Standard single, double and commercial bay sizes
Door sizesCanadian standard door sizes and code notes
Fire ratings20, 45, 60 and 90 minute assemblies
Dock levelersChoosing and maintaining levelers
Mag locksHold force, wiring and fire code
Accessible openersCompliance for powered operators
Installation costWhat drives commercial door pricing
Case studiesReal Wilcox projects across Ontario
1912In business since
12,000+Facilities serviced
All makesAnd models serviced
24/7Emergency response
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Choosing the door itself? Our guide to choosing a commercial sectional door covers lift type, counterbalance, insulation and operators — the decisions that are fixed before the door arrives.