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INSIGHTS · MATERIALS

Aluminium vs cast iron garden sculptures.

Both are widely used for garden sculptures, and they behave very differently. Here is how to choose.

Aluminium (spelled aluminum in the US) and cast iron are two of the most common metals for garden sculptures and ornaments. Neither is better in every case. The right choice depends on the product, where it will be displayed, and what your customers value.

COMPARING THE TWO

Weight

Aluminium is much lighter, which helps handling, display and freight. Cast iron is heavy, which gives a substantial feel and stability, especially for larger pieces.

Rust

Aluminium does not rust the way iron does. Cast iron needs a suitable protective finish to cope with outdoor conditions.

Surface detail

Both can reproduce fine detail when the mould is good; the finish then decides how that detail reads outdoors.

Handling and shipping

Lighter aluminium products generally cost less to move and are easier for customers to position.

Appearance

Either metal can take aged, antique or contemporary finishes. Cast iron is often chosen where weight and presence are part of the design.

A PRACTICAL RULE OF THUMB

If your customers want a large piece that is easy to carry and place, aluminium is often the practical choice. If they want a weighty, traditional piece that stays put, cast iron may suit better. Target cost, finish and shipping weight usually decide the matter.

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