Advantages of Hollowcore Slabs

Hollowcore slabs offer numerous benefits for construction projects in Ireland:

  1. Quick Installation: They can be installed rapidly, often within hours of delivery, significantly reducing construction time
  2. Structural Efficiency: The prestressed design allows for long clear spans, reducing the need for supporting columns
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  3. Versatility: Suitable for various applications, including residential, commercial, and industrial buildings
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  4. Quality Assurance: Manufactured in controlled factory conditions, ensuring consistent quality
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  5. Fire Resistance: Excellent fire resistance properties, often up to 180 minutes
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  6. Acoustic and Thermal Performance: Superior sound insulation and thermal properties
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  7. Service Integration: The hollow cores can accommodate electrical wiring and other services
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  8. Immediate Stability: Provides a stable working platform immediately after installation
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  9. Cost-Effectiveness: Reduces on-site labor and eliminates the need for temporary supports
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Technical Specifications

  • Typical Spans: 2m to 10m for standard hollowcore slabs; up to 30m for double tee variants
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  • Widths: Generally 1.2m wide, with some manufacturers offering widths up to 3m
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  • Load Capacity: Varies based on thickness and design; manufacturers provide specific load-span tables
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Installation and Design Considerations

  1. Minimal Bearing: Only 100mm two-sided bearing typically required
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  2. Structural Design: Manufacturers often provide project-specific designs, including checks for openings and loads
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  3. Compatibility: Suitable for use with insulation and underfloor heating systems
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  4. Cantilever Options: Can be designed for cantilever applications, such as balconies
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Industry Standards

Hollowcore slabs in Ireland conform to current European, British, and Irish standards, ensuring high-quality and reliable products

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. They are typically CE approved, with Declarations of Performance available upon request

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Environmental Impact

Hollowcore slabs are considered environmentally friendly due to their efficient use of materials and the reduced energy required for production compared to some other building materials

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.In conclusion, hollowcore slabs are a widely adopted, versatile, and efficient flooring solution in the Irish construction industry, offering numerous advantages in terms of speed, quality, and performance.