All structural calculators are based on the National Building Code of Canada (NBCC 2020) and CSA O86 (Engineering Design in Wood).
Beam Load Calculator
NBCC 2020 / CSA O86What size beam do I need? Calculate required beam size for lumber, LVL, glulam, or steel based on span, tributary width, and design loads.
Open calculatorRoof / Snow Load Calculator
NBCC 2020 Cl. 4.1.6How much snow load can my roof handle? Calculate specified snow load per NBCC 2020 for any Canadian city.
Open calculatorDeck Load Calculator
NBCC / CSA O86How much weight can my deck hold? Calculate required joist, beam, and post sizes for residential decks in Canada.
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