Brick vs Block: What’s the Difference in NZ Construction? | ETERA

If you’re building or renovating in New Zealand, you’ve probably noticed one thing — everyone keeps talking about brick and block.
They look similar, but they’re actually used for completely different purposes.This guide explains the difference in a simple, practical way — no jargon, no over-complicated engineering talk. Just the key things homeowners and builders care about.

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What Are Bricks? (Mostly for Exterior Looks)

In New Zealand, bricks are usually used as a veneer — meaning they sit on the outside of your house for appearance and weather protection.

Why people choose bricks:

  • They look great.
    Modern colours like white, cream, grey, and charcoal create a clean, architectural look.

  • Low maintenance.
    Brick veneer handles rain, sun, wind and coastal conditions very well.

  • Long-lasting.
    It stays solid for decades with very little upkeep.

👉 Important:
Bricks don’t hold your house up.
They are not structural — the load is carried by timber or steel framing behind the brick.

Best for:
Exterior walls, façades, renovations, architectural homes.

What Are Concrete Blocks? (For Strength & Structure)

In New Zealand, concrete blocks are used as structural elements.
They carry load, support floors, and create strong walls for residential and commercial buildings.

Why people choose blocks:

  • They’re structural.
    Blocks can support upper floors, roofs, and retaining loads.

  • Strong and durable.
    Ideal for basements, foundations, retaining walls, boundary walls, and commercial buildings.

  • Better at handling moisture.
    Especially useful in NZ’s coastal and high-rainfall regions.

  • Great for acoustic and thermal mass.
    Blocks help regulate indoor temperature and reduce noise.

👉 Important:

Concrete blocks can hold your house up — they perform the opposite role of brick veneer.

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