Wall Covering

IRC 2024 Cement Board as Tile Backer: Where It Is Required and Installation Rules

Where does IRC 2024 require cement board as a tile backer, and how must it be installed?

R702.4.2

IRC 2024 Ceramic and Porcelain Tile: Substrate, Adhesive, and Grout Requirements

What does IRC 2024 require for ceramic and porcelain tile substrate, adhesive, and grout selection?

R702.4

IRC 2024 Drywall Thickness: 1/2-Inch vs 5/8-Inch for Walls and Ceilings

What thickness of drywall does IRC 2024 require for walls and ceilings?

R702.3

IRC 2024 Garage Drywall: 5/8-Inch Type X on Walls and Ceiling Separating Garage from Living Space

What drywall is required between a garage and the living space under IRC 2024?

R302.6

IRC 2024 Interior Finish: Flame Spread Index Requirements for Walls and Ceilings

What flame spread index does IRC 2024 require for interior finish materials on walls and ceilings?

R302.9

IRC 2024 Stucco Installation: Two-Layer WRB and Lath Requirements

What does IRC 2024 require for traditional stucco installation including WRB layers and lath?

R703.6

IRC 2024 Vapor Retarder in Walls: Class I vs Class II and Climate Zone Rules

What vapor retarder class does IRC 2024 require in walls, and does it depend on climate zone?

R702.7

IRC 2024 Wood and Hardboard Siding: Installation, Clearances, and Moisture Gaps

What does IRC 2024 require for wood and hardboard siding installation including clearances from grade?

R703.3