Alberta Deck Railing Code: Height, Spacing, and Railing Rules Explained
In Alberta, a deck railing is required once your deck surface is more than 600 mm (about 24") above the ground below. Railings must be at least 1070 mm (42") high, or 900 mm (36") if the deck is within a single dwelling unit or is 1.8 m (about 6') or less above grade. Openings between balusters can't allow a 100 mm (4") sphere to pass through, and stair handrails must sit between 865 mm and 1070 mm high. These numbers come straight from the Alberta Building Code (based on...
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