Help & advice

How do I tell if my wall is solid or stud?

Up to a third of the heat lost from uninsulated homes escapes through the walls - so consider insulating while you renovate! Insulation can be installed easily in stud walls, cavity walls, or fitted on top of solid walls (either by attaching insulation boards or by building a stud wall). However, not all homes are the same so speak to a professional to understand what is best.

The Reno floorplanner allows you to choose between three types of wall: external, solid, and stud.

Knowing the difference between different wall types is important for understanding what can be mounted on it. For example, if you want a wall hung toilet, a solid wall is fine, but a stud wall may need to be reinforced to support it.

How to identify a solid wall (or brick cavity wall)

  • Sounds dull when you knock on it
  • Cold to the touch

How to identify a stud wall

  • Sounds hollow when you knock on it
  • May flex or move when pushed

Stud walls are typically made of timber and plaster. These walls are lightweight and hollow, so can't support as much weight as a solid wall.


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