Lateral Restraint ~ external, compartment (fire), separating (party)
and internal loadbearing walls must have horizontal support from
adjacent floors, to restrict movement. Exceptions occur when the
wall is less than 3 m long.
Methods:
1. 90 mm end bearing of floor joists, spaced not more than 1„2 m
apart † see page 658.
- Galvanised steel straps spaced at intervals not exceeding 2 m
and fixed square to joists † see page 658.
Ref. BS EN 845-1: Specification for ancillary components for
masonry. Ties, tension straps, hangers and brackets.
Timber Suspended Upper Floors