Filling in half done cavity wall insulation

[Tim_Gilbert]

@Tim_Gilbert

Once complete, consider either IWI or EWI to bring the wall up to a decent standard. You will find discussions on the pros and cons elsewhere on this forum.

For example, see

Internal wall insulation - pros /cons

After confirmation from the grant scheme that they won’t fit a heat pump without insulation - internal wall insulation is the measure we are considering and wish to understand. This is what I know so far *It can be installed on the external face of an internal wall / or the walls of whole rooms can insulated to make sealed thermal envelopes. *solid brick walls need to ventilate? dew points are a consideration and so are thermal bridges vapour control layers are used with batt and insulation …