Floors

Deck Beam Bearing on Posts — IRC 2018

What does IRC 2018 require for deck beam bearing on posts?

R507.6

Deck Joist Span Requirements — IRC 2018

How far can deck joists span under IRC 2018?

R507.5

Drilling and Notching Floor Joists — IRC 2018

Can I notch or drill holes in floor joists for plumbing or wiring?

R502.8

Floor Girder and Beam Span Requirements — IRC 2018

How big does a girder or beam need to be under a floor?

R502.5

Floor Joist and Beam Bearing Requirements — IRC 2018

How much bearing do floor joists, beams, or girders need on wood, steel, masonry, or concrete?

R502.6

Floor Joist Blocking and Bridging Requirements — IRC 2018

Do floor joists need blocking or bridging at supports?

R502.7

Floor Joist Cantilever Limits — IRC 2018

How far can floor joists cantilever past a beam or foundation?

R502.3.3

Floor Joist Span Limits — IRC 2018

How far can floor joists span under the IRC?

R502.3

Floor Sheathing Thickness for Joist Spacing — IRC 2018

What thickness subfloor is required for floor joists spaced 16 or 24 inches on center?

R503.2

Wood Touching Concrete — Pressure-Treated Requirements — IRC 2018

When does wood touching concrete need to be pressure-treated?

R317.1