How to Cut Cinder Block

Beginner 1 hour 11 steps 49578 views Rating: 4.8/5 Published: 2026-06-26

Measure the area where you'll install the cut cinder block.. Mark the measurement onto the cinder block in white chalk.. Insert a masonry blade into the circular saw.

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Steps

1

Measure the area where you'll install the cut cinder block.

Step 1

Measure the area where you'll install the cut cinder block.

2

Mark the measurement onto the cinder block in white chalk.

Step 2

Mark the measurement onto the cinder block in white chalk.

3

Insert a masonry blade into the circular saw.

Step 3

Insert a masonry blade into the circular saw.

4

Put on safety equipment before you begin cutting the block.

Step 4

Put on safety equipment before you begin cutting the block.

5

Line up the blade with the chalk mark on the cinder block.

Step 5

Line up the blade with the chalk mark on the cinder block.

6

Cut through the cinder block in 1 slow, accurate stroke.

Step 6

Cut through the cinder block in 1 slow, accurate stroke.

7

Wipe the cinder block clean with a damp rag.

Step 7

Wipe the cinder block clean with a damp rag.

8

Put on a pair of safety goggles to protect your eyes.

Step 8

Put on a pair of safety goggles to protect your eyes.

9

Position the chisel where you'd like to cut the cinder block.

Step 9

Position the chisel where you'd like to cut the cinder block.

10

Strike the butt of the chisel with a hammer until the block splits.

Step 10

Strike the butt of the chisel with a hammer until the block splits.

11

Rotate the block and strike it again if it didn't split.

Step 11

Rotate the block and strike it again if it didn't split.

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