When it comes to the insulation of solid wall properties there are three main options:
- To put the insulation on the outside of the wall using an external wall insulation (EWI) system
- To insulate the inside of the walls with an internal wall insulation (IWI) solution
- By using a hybrid system which combines both EWI and IWI to provide the solution.
To explain, in very simple terms, how each system works: