3305.8.6.3 Ceiling joists and roof trusses.
BC § 3305.8.6.3
Ceiling joists and roof trusses shall be installed in accordance with one of the following: 1. With full bearing over the width of the bearing wall beneath; 2. Minimum 1 1/2 inch (38 mm) bearing end condition; or 3. In accordance with design drawings approved by a registered design professional.













