Roof-Ceiling Construction

Attic Access Requirements Under IRC 2018

When is attic access required by IRC 2018?

R807.1

Attic Ventilation Requirements Under IRC 2018

How much attic ventilation is required by IRC 2018?

R806.1

Framing Roof Openings for Skylights Under IRC 2018

How do you frame around a skylight or roof opening under the IRC?

R802.9

Rafter Span Limits for Roof Framing Under IRC 2018

How far can roof rafters span under IRC 2018?

R802.4

Rafter Ties vs. Collar Ties Under IRC 2018

Are collar ties the same as rafter ties under the IRC?

R802.3.1

Ridge Board Size Requirements for Common Rafters Under IRC 2018

What size ridge board is required for common rafters?

R802.3

Roof Sheathing Nailing Pattern Requirements Under IRC 2018

What is the code nailing pattern for roof sheathing?

R803.2.3

Roof Sheathing Thickness Requirements Under IRC 2018

What roof sheathing thickness is required by IRC 2018?

R803.2

Unvented Attic Requirements Under IRC 2018

Can an attic be unvented under IRC 2018?

R806.5

Using Ceiling Joists as Rafter Ties Under IRC 2018

Can ceiling joists be used as rafter ties?

R802.3.1