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Remodeling · Sourced answer

How do I determine if an interior wall is load-bearing, and what is required to remove it safely?

Homeowners planning open-concept floor plans need to identify structural walls and understand necessary beam/header engineering.

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The answer

Determining factors: Walls running perpendicular to ceiling joists/roof trusses; walls aligned directly over main beams, steel girders, or foundation piers; or walls with roof rafter/strut supports resting on top plates. Removal requirements (IRC Chapter 6):

  1. Structural engineer calculations for tributary live/dead loads and replacement beam sizing (Glulam, LVL, or steel I-beam)
  2. Installation of temporary shoring walls on both sides
  3. Properly sized king/jack studs transferring point loads through floor blocking down to continuous foundation footings.

Sources

This answer is drawn from the standards and guidance below. It is general information about how these systems work — not a diagnosis of your property.

  1. ICC 2021 IRC Chapter 6 Wall Construction
  2. National Association of Home Builders (NAHB) Framing Standards