Wall Covering

Brick Veneer Needs Weeps and Flashing to Drain the Wall Cavity

Are weep holes required in brick veneer walls?

R703.7.3

Exterior Wall Coverings Are Part of the Weather-Protection System

Does exterior siding have to be weatherproof or just decorative?

R703.1

Exterior Wall Flashing Must Direct Water Out, Not Into the Wall

Where is flashing required on exterior walls?

R703.4

Exterior Walls Need an Approved Water-Resistive Barrier Behind Siding

Is house wrap required behind siding under the 2021 IRC?

R703.2

Horizontal Exterior Trim Usually Needs Flashing and Drainage Protection

Do horizontal trim boards and band boards need flashing?

R703.4

Interior Gypsum Board Thickness Depends on Framing Spacing and Fire Requirements

What drywall thickness is required on interior walls and ceilings?

R702.3

Masonry Veneer Needs Support, Anchorage, Drainage, and Flashing

Does brick or stone veneer need an air gap, ties, and flashing?

R703.7

Shower Tile Needs an Approved Water-Resistant Backing System

Is cement board required behind shower tile?

R702.4

Siding Installation Must Follow IRC and Manufacturer Requirements

Can new siding be installed over old siding or sheathing?

R703.3

Stucco Over Wood Framing Needs WRB, Lath, Flashing, and Correct Thickness

What does code require behind stucco on wood framing?

R703.6

Window and Door Openings Need Flashing That Drains to the Exterior

Do windows need pan flashing under the 2021 IRC?

R703.4.1