Structural load capacity refers to the maximum weight a roof structure can safely support, including dead loads (roof materials) and live loads (snow, wind, maintenance activity). In Vancouver, roofs must be engineered to handle seasonal snow loads and heavy rain accumulation. Proper load calculation ensures safety, prevents structural failure, and guides material selection. Reinforced framing and engineered trusses are often used to meet required load capacities in residential and commercial roofing systems.
