Using 9-inch blocks (commonly referred to as concrete masonry units or CMUs) in the construction of duplexes offers several advantages:
1. Structural Integrity: 9-inch blocks provide robust structural support, making them suitable for load-bearing walls. Their thickness enhances the stability and durability of the building.
2. Thermal Insulation: The mass of 9-inch blocks can absorb and retain heat, helping to regulate interior temperatures and potentially reducing energy costs for heating and cooling.
3. Sound Insulation: Thicker blocks can enhance soundproofing, which is especially beneficial in duplexes where units share walls. This helps maintain privacy and comfort within each living unit.
4. Fire Resistance: Concrete blocks have excellent fire-resistance properties, providing additional safety for occupants and reducing fire insurance costs.
5. Pest Resistance: Unlike wood, concrete blocks are not susceptible to pests like termites, which can be a significant advantage in protecting the building’s structure over time.
6. Low Maintenance: The durability of concrete blocks means they require minimal maintenance compared to other building materials, which can save homeowners time and money over the life of the duplex.
7. Eco-Friendliness: Concrete blocks are often made from local materials, and their long lifespan contributes to sustainability. They can also be manufactured with recycled materials.
8. Design Flexibility: 9-inch blocks can be easily cut and shaped, allowing for various design options and architectural features, creating aesthetic appeal in the duplex layout.
9. Quick Construction: Using blocks can speed up construction time compared to other materials due to their size and ease of handling, which can lead to lower labour costs.
10. Cost-Effectiveness: While the initial cost may be higher than some other materials, the longevity, reduced maintenance, and energy efficiency of concrete blocks can make them more cost-effective over the long term.
These advantages make 9-inch blocks a popular choice in the construction of duplexes, contributing to the overall quality and longevity of the buildings.
Credit: Engr Ifechukwu Elendu, Civil Engineer and Building Contractor
Peoplesmind