Attic Framing
Section R802 contains several different tables that cover rafter spans and loads.
Section  R804 Covers cold rolled metal framing.
Code Reference               Description
R802.4 | Allowable Ceiling Joist spans | Table |
R802.5 | Allowable rafter spans | Table |
R802.5.1 | Purlins | |
R802.6 | Bearing requirements | |
R802.6.1 | Finished ceiling material | |
R802.7 | Cutting drilling and notching | |
R802.7.2 | Engineered wood products | |
R802.8 | Lateral support | |
R802.8.1 | Bridging | |
R802.9 | Framing of openings | |
R802.11.1.2 | Rafter uplift resistance |
R802.10 Â Covers general requirements of trusses.
R802.11.1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Truss uplift resistance
Roof Sheathing
R803.1 | Lumber sheathing | |
R803.2 | Wood structural panel sheathing | |
R803.2.1 | Identification and grade | |
R803.2.1.1 | Exposure durability | |
R803.2.1.2 | Fire-retardant treated plywood | |
R803.2.2 | Allowable spans | |
R803.2.3.1 | Sheathing fasteners | |
Attic Entry requirements
R807.1 | Attic access | |
M1305.1.2 | Access must allow for removal of hvac equipment | |
