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Frequently Asked Questions - Bricks & Blocks

Q1: What are the disadvantages of concrete blocks?
A1: Concrete blocks are bulky, making them hard to move and store. They aren't as visually appealing as bricks and are porous, absorbing water easily, which can lead to damp issues or water damage if not properly maintained.

Q2: What are the advantages of concrete blocks over bricks?
A2: Concrete blocks are strong, versatile, and come in various sizes and shapes. They're durable, lightweight, and cost-effective for many projects. Blocks stack easily without collapsing, making them practical for quick, solid construction.

Q3: Do concrete blocks absorb water?
A3: Yes, concrete blocks are porous and can absorb water, which may lead to dampness. If absorbed water freezes, it can expand, causing cracks and instability.

Q4: Why are blocks used instead of bricks?
A4: Concrete blocks are fire-resistant, easy to install, and offer better compressive strength than bricks. They can be more cost-effective for large projects and provide more finishing options, like easy painting.

Q5: Which is better, concrete blocks or bricks?
A5: It depends on the project. Concrete blocks offer better insulation and fire resistance but are bulkier. Bricks are more durable and visually appealing, though the overall installation costs are often similar.

Q6: What are 4-inch concrete blocks used for?
A6: 4-inch blocks are used for interior non-load-bearing walls, garden walls, and retaining walls. Their size also works well for curved landscaping.

Q7: What are the categories of concrete blocks?
A7: Concrete blocks come in two types:

  • Hollow blocks: Lighter, with internal spaces, ideal for walls and fences.
  • Solid blocks: Dense and strong, offering maximum stability.

Q8: What are the strongest concrete blocks?
A8: Solid precast concrete blocks are the strongest, offering the highest compressive strength, followed by interlocking blocks.

Q9: What are Brick slips?
A9: Brick slips are thin slices of real brick, used as cladding to create the appearance of traditional brickwork. They can be applied indoors for decorative purposes or on exterior surfaces to give a building a genuine brick finish.

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