How to fill a big hole in an interior wall

Task difficulty: Very easy

Your new boiler has a big hole behind it and you've got no idea how to fill it.

You will need

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Step by step process

  1. Step 1

    Step 1

    Cover all surrounding areas and ensure that the hole and wall around it are clean and free from grease and loose material.

  2. Step 2

    Step 2

    Remove the lid and stir into a smooth paste.

  3. Step 3

    Step 3

    Press the filler into the hole using a filling knife, and smooth off with a wet knife.

    This lightweight filler allows deep holes to be filled in one application and should require no sanding. Apply up to 50mm deep in each application, leaving to dry between applications.

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