Plywood box beams are lightweight, structurally efficient, economical and simple to fabricate. They provide a conventionally stable means of structural support for building construction.
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Plywood box beam construction for detached housing
This design guide provides a series of span tables designed according to the limit state design theory and for wind speeds up to N3 for detached single and two-storey houses. These span tables introduce new options for beams incorporated into walls, portal frames and other typical long span applications.