I have been to see a 1930’s, I guess a late 1930’s house today. It was not in bad condition, but a previous owner, probably a little old lady or even an old gent were conned into having their then roof , the underside of the tiles all sprayed with foam. They were probably told that if they didn’t carry out this work, then all the tiles would slip off the roof, and it would make the house warmer and that they would save money. Totally un-necessary and not even a good idea, because it prevents the roof void from breathing, and it can create water traps, where rain will lie on timber battens and rafters, so exaggerating decay. It will not make the house warmer. It was all very carefully concealed with polystyrene panels cut tightly into the exposed beams, but there were tell-tale sign. That aside, it was not a bad house, but I think it deserves a name, and being close to a roundabout, ‘Three Ways’ would sound better than Foam Home…   more »