My mother is coming to stay and she is a heavy smoker. It has taken ages to get through to her than she absolutely cannot smoke in the kitchen, living area etc but she still has the occasional sneaky one in her room when she is here.
Both DP and I are non-smokers and hate the smell. Even with the door closed and window open the smell drifts around the house.
Is there anything I can use to stop the smell getting out into the house.
(We rarely see her so can't ban her entirely)
Thanks