---
title: "Open Concept Living Structural Considerations | AVANORTH"
canonical_url: "https://avanorth.ca/blog/open-concept-living-structural-considerations"
last_updated: "2026-03-10T07:33:40.529Z"
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description: "Open-concept renovation guide: load-bearing wall identification, beam options, post foundations, permit requirements, and structural engineering needs."
"og:description": "Open-concept renovation guide: load-bearing wall identification, beam options, post foundations, permit requirements, and structural engineering needs."
"og:title": "Open Concept Living Structural Considerations"
"twitter:description": "Open-concept renovation guide: load-bearing wall identification, beam options, post foundations, permit requirements, and structural engineering needs."
"twitter:title": "Open Concept Living Structural Considerations"
---
AVANORTH Home
**Residential Trends**·April 13, 2026· 4 min read
# **Open-Concept Living: Structural Considerations**
Open-concept floor plans are Canada's most popular residential design trend. Removing walls to create open spaces requires careful structural engineering to maintain the building's integrity and meet code requirements.
**AVANORTH Team**
AVANORTH Construction
Open-concept living has dominated Canadian residential design for two decades. Homebuyers want large, connected kitchen-dining-living spaces that feel spacious and allow natural light to flow throughout the home. Whether in new construction or renovation, achieving open concepts requires removing walls or designing larger spans, which means structural engineering is essential. Not every wall can be removed, and the ones that can require proper support.
---
## Load-Bearing vs. Non-Load-Bearing Walls
| Feature | Load-Bearing Wall | Non-Load-Bearing (Partition) Wall |
| --- | --- | --- |
| Function | Carries floor/roof loads to the foundation | Divides space only, carries no structural load |
| Removal | Requires a beam and posts (engineered) | Can be removed freely |
| Typical location | Centre of house, under ridge, perpendicular to joists | Parallel to joists, short interior walls |
| Identification | Structural drawings, or engineering assessment | Structural drawings, or engineering assessment |
| Consequences of improper removal | Floor sag, roof sag, structural failure | None (cosmetic repair only) |
> **Warning:** Never assume a wall is non-load-bearing based on its appearance or location alone. The only reliable way to determine whether a wall is load-bearing is to review the structural drawings or have a structural engineer assess the building. The consequences of removing a load-bearing wall without proper support are severe: sagging floors, cracked drywall, binding doors, and in extreme cases, structural collapse.
---
## Beam Options for Open-Span Support
When a load-bearing wall is removed, a beam must be installed to carry the load across the opening. The beam transfers the load to posts at each end, which carry it down to the foundation.
| Beam Type | Typical Span | Depth | Best For |
| --- | --- | --- | --- |
| Built-up wood (3-ply 2x10, 2x12) | 3-4.5 m (10-15 ft) | 240-290 mm | Short spans, DIY-friendly, concealed in ceiling |
| LVL (Laminated Veneer Lumber) | 4.5-7.5 m (15-25 ft) | 240-460 mm | Medium spans, stronger than sawn lumber, common choice |
| PSL (Parallel Strand Lumber) | 4.5-9 m (15-30 ft) | 240-460 mm | Medium-long spans, exposed applications (attractive grain) |
| Glulam (Glued Laminated Timber) | 6-15+ m (20-50 ft) | Variable | Long spans, exposed beams, architectural feature |
| Steel W-shape | 6-12+ m (20-40 ft) | 150-310 mm | Long spans where depth is limited, heavy loads |
| Steel flitch beam (steel + wood) | 4.5-7.5 m (15-25 ft) | 240-290 mm | Fits in standard floor/ceiling depth, strong |
---
## Post and Foundation Considerations
The beam ends must be supported by posts that carry the concentrated load down to the foundation. This often requires:
1. **Posts:** Typically steel Lally columns (steel pipe filled with concrete) or built-up wood posts. Must be sized by the engineer for the specific load.
2. **Foundation support:** If the post lands on a basement floor, a new footing pad may be required to spread the concentrated load. The existing footing/slab may not be designed for a point load.
3. **Connection hardware:** Post bases, post caps, and beam hangers must be rated for the actual loads. Simpson Strong-Tie and similar manufacturers provide engineered connectors.
### Hidden Post Strategies
- Incorporate the post into a kitchen island (very common)
- Build a column surround that becomes a design feature
- Locate the post at a wall return or cabinet end
- Use a steel post (smaller diameter) compared to wood
---
## Common Renovation Open-Concept Projects
| Project | Typical Complexity | Engineering Required? |
| --- | --- | --- |
| Remove kitchen wall to dining room | Medium (usually load-bearing) | Yes, always |
| Remove wall between living and family room | Low-Medium | Yes, if load-bearing |
| Open up basement | High (columns typically support main floor beam) | Yes, always |
| Create great room (multiple walls) | High (long spans, multiple loads) | Yes, always |
| Remove closet or pantry wall | Low (usually partition) | Recommended verification |
---
## Building Permit Requirements
In Ontario, structural changes (removing load-bearing walls, installing beams) require:
- **Building permit:** Required for any structural modification
- **Structural drawings:** Prepared and sealed by a licensed Professional Engineer (P.Eng.)
- **Inspection:** Municipal building inspector must inspect the structural work before it is concealed
- **Note:** Many homeowners skip the permit for "small" projects. This is illegal, voids insurance, and creates liability when selling the home. If the home is sold and the buyer's inspector discovers unpermitted structural work, the seller faces costly remediation.
> **AVANORTH Approach:** We begin every open-concept renovation with a structural engineer's assessment. The engineer reviews the existing structure, designs the beam-post-footing system, and provides sealed drawings for the building permit. Our crew installs temporary shoring before removing any wall, and we do not remove the shoring until the permanent beam is installed, connected, and inspected. The open-concept result looks effortless, but the engineering behind it is precise and non-negotiable.
#open-concept #structural #renovation
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