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How to use a brick hammer

Updated: 23 October 2026

You have one brick to shorten, and a single hard blow looks quicker than it is. A brick hammer will split a clay brick if you mark the line, support it, and score before you hit the face. A chip can leave the brick, and a loose head will not behave. This is how to use a brick hammer for that cut, and when to stop. UK how-to pages score every face on sand. The chisel end makes that score. Listings sit in the [mason's hammer comparison](/hub/hand-tools/mason-s-hammer). A qualifying purchase can earn us a commission at no extra cost to you. Products Compared used public UK guidance and those cards on 22 October 2026.

You have one brick to shorten, and a single hard blow looks quicker than it is. A brick hammer will split a clay brick if you mark the line, support it, and score before you hit the face.

Our top picks

Estwing Estwing E3/20BL 20 oz brick hammer

Best overall

Estwing Estwing E3/20BL 20 oz brick hammer
9.2/10about £47.86
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Roughneck Roughneck ROU61624 24 oz brick hammer

Best value

Roughneck Roughneck ROU61624 24 oz brick hammer
9.2/10about £16.20
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Spear & Jackson Spear & Jackson SJ-BSS22 22 oz brick hammer

Alternative

Spear & Jackson Spear & Jackson SJ-BSS22 22 oz brick hammer
8.0/10about £19.50
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On this page
  1. 1.Mark and support the brick
  2. 2.Score with the chisel end
  3. 3.Split with the face
  4. 4.When this hammer is the wrong tool

Mark and support the brick

Draw the cut on every face, not only the top. A half-brick marked on one side tends to break into the piece you wanted to keep. A pencil is enough. If the line wanders, the peen follows it. Put the brick on sand or loose soil, not on concrete or a patio slab. DIY Doctor’s method uses that soft bed so the brick can settle. Support the whole brick, with the waste side free to fall away. Eye protection comes before the first tap. HSE guidance is impact protection that fits. Gloves do not cover your eyes. If the head moves when you shake it, do not start. INDG229 treats a loose shaft as a stop.

Score with the chisel end

The peen scores and the flat face splits. Light blows with the chisel edge go around the brick before any heavy face blow. A heavy blow on an unscored brick is a guess. Hold the hammer near the end of the handle and keep your other hand off the line. Tap a shallow groove on each face, including the ends, until the line meets itself. A heavy blow this early knocks a corner off outside the line. If one face is still smooth, the split often runs crooked there. An engineering brick takes longer than a soft common, and this hammer is the wrong tool for dozens of identical cuts.
Estwing Estwing E3/20BL 20 oz brick hammer

Testsieger

Estwing Estwing E3/20BL 20 oz brick hammer
9.2/10about £47.86
View offer

Split with the face

With a scored face upward, still on the sand, strike with the flat face on the waste side of the line. One solid blow often finishes a brick scored all round. If it only cracks part way, strike the opposite face rather than the same spot harder. Expect a rough edge. Nibble a high spot with the peen in small bites, still wearing eye protection. A show face that must be exact is often too coarse for this split. A crooked chisel, which some Roughneck reviews mention, will not follow the pencil line. A head that has left the shaft should not be swung. Stop if the handle shifts.

When this hammer is the wrong tool

A bolster is a wide chisel. Strike it with a club hammer, also called a lump hammer, not with this peen, when several cuts should match. A disc cutter is another job. HSE guidance on cutting paving and kerbs is about dust and water once the work is a saw. A dry cut indoors fills the room with silica dust. A walling hammer is for field stone, and it is the wrong striker for a bolster. Call a bricklayer for a structural wall, a chimney, a retaining wall, or any cut that carries load.

Common questions

Do you score all four faces?
Yes. Mark the line around the brick and score each face, including the ends, before you try to split it. A groove on the top only lets the break wander. Light taps with the chisel end are enough to start the groove. You are joining the line up, not finishing the cut on the first face.
Which end scores, and which end splits?
The chisel-shaped peen scores the pencil line. The flat face delivers the firmer blow that opens the split, on the waste side of the groove. If you reverse that, a heavy face blow on an unmarked brick breaks where it likes. Nibbling a high spot afterwards is peen work again, in small bites.
What should the brick sit on?
Sand or loose soil, so the brick can settle and you are not striking against concrete. A patio slab marks, and the hammer skids. Support the whole brick, with the waste side able to fall away. A rocking brick on a narrow offcut is how the split runs off the line.
What eye protection is the point?
Brick chips leave the face at face height. HSE guidance is impact protection that fits you, worn before the first tap, not sunglasses. Gloves help after the brick is sharp. They do not cover your eyes. The same protection applies if you only needed one half-brick.
When do you pick up a bolster and a club hammer instead?
When you want a wide blade on the line and a double-faced hammer to strike it, which is the usual hand method for several matching cuts. The brick hammer’s peen is not that striker. The club hammer, also called a lump hammer, is not the tool that dresses the arris. Use each head for the job it was shaped for.
When is a disc cutter the wrong next step?
Indoors, or anywhere you would make a dry cut without dust control. HSE guidance on sawing masonry is about silica dust, not about hitting harder. One awkward brick can still be scored by hand. A pile of engineering bricks, or a cut that must be clean on a show face, is saw work or a bricklayer’s job.
What if the handle already moves?
Stop. A loose head or a shaft that shifts in your hand is the failure INDG229 tells you not to work through. Do not finish this brick and plan to fix the hammer later. A head that leaves the handle during a swing is the injury, not a spoiled cut. A structural wall, a long run of identical cuts, or a show face that must be sawn is a bricklayer’s job, not another blow.

Related pages

Brick hammer vs club hammer

Walling hammer

Mason's hammer

Best brick hammer: which listing fits your brick job

Brick hammer buying guide: ounces, then the handle

Sources

Prices, stars, and review counts are amazon.co.uk listings dated 22 October 2026. BS 876:1995, ISO 15601:2000, HSE guidance on hand tools, eye protection and paving cuts, and the Dry Stone Walling Association tool list are the public sources. None of these listings states BS 876. This is not a lab strike test.

  1. HSE INDG229: Using hand tools (retrieved 22 October 2026)
  2. HSE: Using the right type of PPE (retrieved 22 October 2026)
  3. HSE: Cutting paving, blocks, kerbs and flags (retrieved 22 October 2026)
  4. BSI Knowledge: BS 876:1995, specification for hand hammers (retrieved 22 October 2026)
  5. ISO 15601:2000, assembly tools for screws and nuts, forging and striking tools (retrieved 22 October 2026)
  6. Dry Stone Walling Association: tools (retrieved 22 October 2026)
  7. DIY Doctor: using a brick bolster (retrieved 22 October 2026)
  8. ITS: a guide to hammers (retrieved 22 October 2026)