I have a window in the toilet and one exterior air brick near bottom, would putting an air brick near top of wall would help. I have abut 20 cm gap from ceiling to window is this enough gap to put insulation in
HI, I HAVE A SLOT EXTENSIONS ATTACHED TO OUR KITCHEN. ITS A CONCRETE ROOF BUT GUESSING THE AGE OF THE BUILDING (1960) IT ISNT INSULATED. THE TOILET PART OF THE EXTENSION IS STARTING TO ATTRACT CONDENSATION AND MOULD ON CEILING, ALL THE OTHER PART OF THE EXTENSION IS OK. IM GUESSING THIS IS...