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 Covers general requirements of trusses.
R802.11.1 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 |
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