PIR or polystyrene insulation boards are both suitable for insulating walls. If you have a stud wall, PIR boards are likely to be the better option. For internal walls, you can try using insulated ...

A continuous layer of insulating boards is fixed to the outside walls with adhesive and mechanical fixings ... it’s an ideal time to add internal insulation as it can be done room by room. Looking to ...

Another big plus is there is no disruption as the builders are outside. Internal wall insulation by contrast involves removing the skirting boards, window sills, electric sockets, phone points, ...

Solid walls can also be insulated by applying internal wall insulation. Types include insulation/plaster board laminates or wooden battens in-filled with insulation.

The thicker the board the more effective it will be ... cutting the cost considerably. "Internal solid wall insulation can also be costly but there is the opportunity to 'do it yourself'.