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This post is part of KennMar Construction’s Multifamily Development Blog Series. If you missed the previous installments, check them out here:

Structural Considerations in Multifamily Development

Designing for Strength, Longevity & Efficiency

Structural integrity is the foundation of a successful multifamily development. A well-planned structure not only ensures safety and durability but also impacts cost efficiency, energy performance, and long-term adaptability.

Developers must consider material selection, load distribution, seismic and wind resistance, and sustainability when designing multifamily structures. A lack of planning in these areas can result in higher maintenance costs, inefficient layouts, and limitations on future modifications.

At KennMar Construction, we focus on smart structural design to create buildings that are efficient to construct, adaptable for future needs, and built to last.

1. Structural Materials: Choosing the Right Framework

Selecting the right structural materials is essential for balancing cost, durability, and energy efficiency in multifamily construction. The choice of materials directly affects construction timelines, maintenance needs, and long-term sustainability.

Key Structural Material Considerations:

  • Concrete vs. Steel vs. Engineered Wood: Each has its strengths, costs, and best-use applications.
  • Prefabricated vs. Traditional Materials: Prefabrication can improve efficiency but requires early coordination.
  • Sustainability & Embodied Carbon Impact: Material selection affects environmental footprint and energy performance.

KennMar Construction’s Approach:

  • Concrete & Steel for High-Rise Durability: When height and load-bearing capacity are key factors, we incorporate reinforced concrete or steel framing.
  • Wood Framing for Cost Efficiency: For low- to mid-rise buildings, engineered wood provides a balance of affordability and sustainability.
  • Hybrid Structural Systems: Combining materials strategically to maximize both cost savings and strength.

By selecting the right materials for each project’s unique needs, we help developers optimize construction costs, speed, and long-term durability.

2. Load-Bearing Efficiency & Structural Optimization

A structurally sound building requires careful planning of load distribution, foundation strength, and framing layouts to maximize efficiency and minimize unnecessary costs.

Challenges in Load Distribution & Structural Efficiency:

  • Poorly designed layouts can lead to inefficient use of load-bearing walls and columns.
  • Overengineered structures increase material costs without adding functional benefits.
  • Inadequate foundation planning can lead to settling issues and structural instability.

KennMar Construction’s Approach:

  • Optimized Column & Load-Bearing Wall Placement to minimize structural redundancies and maximize open floor plans.
  • Advanced Foundation Engineering to ensure long-term stability based on soil conditions and site-specific needs.
  • Prefabricated Structural Elements to reduce on-site labor costs and improve efficiency.

Proper load planning ensures that buildings are structurally sound, cost-effective, and adaptable for future modifications.

a dandelion demonstrating properties of wind resistance
a dandelion demonstrating properties of wind resistance

3. Seismic & Wind Resistance for Longevity & Safety

Structural resilience is crucial, particularly in regions prone to earthquakes, high winds, or extreme weather. Failing to account for seismic activity, hurricane-force winds, or heavy snow loads can result in expensive retrofits or safety hazards.

Key Structural Resilience Challenges:

  • Multifamily buildings must be designed to flex under seismic forces without catastrophic failure.
  • Wind loads in high-rise structures must be balanced to prevent excessive sway or stress on connections.
  • Weatherproofing must integrate with structural integrity to prevent water infiltration and corrosion.

KennMar Construction’s Approach:

  • Seismic-Resistant Design using moment frames, shear walls, and base isolators where required.
  • Wind Load Analysis & Aerodynamic Modeling to optimize the structure’s response to extreme weather.
  • Corrosion-Resistant Coatings & Drainage Systems to prevent long-term material degradation.

By ensuring that structural systems are resilient against natural forces, we help developers minimize insurance risks, extend building lifespans, and protect residents.

4. Structural Efficiency & Sustainable Design

Sustainability in structural design is not just about meeting green building certifications—it’s about reducing material waste, improving energy performance, and designing for long-term adaptability.

Sustainability Challenges in Structural Design:

  • Material waste from inefficient planning increases costs and environmental impact.
  • Thermal bridging in framing and connections leads to higher energy consumption.
  • Rigid structures that can’t adapt to changing needs require costly renovations or demolitions.

KennMar Construction’s Approach:

  • High-Performance Insulated Materials to reduce energy loss and improve occupant comfort.
  • Modular & Adaptive Structural Systems allowing for easier repurposing and future expansions.
  • Efficient Material Use & Prefabrication to reduce waste and streamline construction.

By integrating sustainable practices into structural planning, we help multifamily developments achieve long-term efficiency and reduced operating costs.

a beautiful open floor plan apartment
a beautiful open floor plan apartment

5. Future-Proofing: Designing for Adaptability & Maintenance

Buildings must be designed not just for today’s needs but for tomorrow’s opportunities. Structural adaptability ensures that multifamily developments remain functional, upgradable, and cost-effective as market demands evolve.

Future-Proofing Challenges in Multifamily Structures:

  • Fixed layouts make it difficult to repurpose spaces for changing tenant needs.
  • Maintenance access points for utilities are often overlooked, increasing repair costs.
  • Aging materials require early replacement if long-term durability isn’t considered.

KennMar Construction’s Approach:

  • Open-Concept Floor Plans & Structural Flexibility to allow for unit reconfigurations in the future.
  • Easily Accessible Mechanical & Utility Chases to simplify maintenance and reduce service disruptions.
  • Durable, Low-Maintenance Materials selected based on life-cycle cost analysis.

By designing multifamily developments with adaptability in mind, we help developers create buildings that remain functional, cost-efficient, and resilient for decades to come.

The KennMar Advantage

A well-planned structural system is essential to building safety, efficiency, and long-term adaptability. At KennMar Construction, we focus on engineering structurally sound, cost-effective, and sustainable multifamily developments that meet modern performance standards while allowing for future flexibility.

Stay tuned for the next installment in our Multifamily Development Series, where we explore Safety & Fire Protection in Multifamily Construction.

Read More About KennMar Construction

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Construction Phasing & Logistics in Multifamily Development

Keeping a multifamily project on schedule requires more than just a timeline—it demands strategic phasing, efficient workforce coordination, and proactive supply chain management. From site prep to final inspections, every stage must be carefully planned to prevent delays and cost overruns. In this installment of our Multifamily Development Blog Series, we explore the key challenges of construction phasing and logistics—and how KennMar Construction ensures seamless project execution from start to finish.

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