What are brick jointers made of?

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High carbon steel

• Suitable for regular mortar finishing work
• Very strong
• Long-lasting as a result of its durability

• More likely to become brittle compared to other types of steel.
• If misused, high carbon steel may fracture
• If used with light coloured mortar, the mortar may become discoloured

Plexiglass

• Will not discolour of leave black marks in mortar
• Less abrasive than metal

• May be prone to scratches
• The smooth, curved edge may deteriorate over time
• Difficult to clean – requires the use of non-ammonia based products

Tempered steel

• Creates very smooth joints so is useful for jointing around tile and brickwork.
• Tempering process minimises  cracking and increases workability allowing the steel to be crafted into many shapes for hand tools

• The hardness grade of the steel is compromised as a result of the improved workability and minimised cracking

Tool steel

• Used to make various tools with a heavy-duty tolerance relatively cheaply

• Properties of tool steel vary depending on how the steel has been cooled
• Some can very brittle, others can distort easily

Which material should you choose?

Tempered steel and high carbon steel increase in strength respectively and so these tools are built for more frequent use.