These spots often occur on outside walls near floors or windows ... rim joists with rigid insulation cut to fit. We recommend ...

If you only want your place to be reasonably heatable in winter, for occasional stays, 2” of extruded polystyrene ... try to install batt insulation between the floor joists from underneath.

Cavity wall insulation: Injected polystyrene beads to wall, cavity width 100mm. Making good all holes on completion Floor insulation: Floor insulation to exiting suspended ground floor, 150mm thick ...

Walls 35 Cavity wall insulation fills the cavity between the outside walls with mineral wool, polystyrene beads or ... loss by conduction and convection. Floor 15 Thick carpets on floors.