Fitting an induction hob into a "marble" worktop

Discussion in 'Kitchen Fitters' Talk' started by Kevinfleet, Aug 12, 2018.

  1. Kevinfleet

    Kevinfleet New Member

    My daughter wants to replace a gas hob with an induction one. The new new hob is about 2mm wider than the existing hole. What's the best / easiest way to make the hole bigger - I'm concerned we might damage the worktop; it's about 10 years old and is the composite type with shiny metal flecks in the surface. I'm thinking maybe using a grindstone attachment on a drill??
  2. DaveF

    DaveF Member

    A small (4"~4.5") grinder with a 120grit diamond wheel on it. Place some masking tape on the stone to define where you need to sand to - so 2mm from the current edge, and sand to the edge of the masking tape. Just make sure the direction of the blade is always downwards when you touch it against the marble. It is helpful if the grinder is variable speed.
  3. kitfit1

    kitfit1 Well-Known Member

    For 2 mm a grinder with a diamond wheel is perfect.

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