Hi Lobster
Also you might want to look at this site, from Jeff Howell who is well
known for his radical view that 'rising damp' doesn't exist anywhere at
all except in the minds of sensor-wielding surveyors...
http://ask-jeff.co.uk/building-rising-damp.htm
Terrific site, thanks for the link! Wish I'd read that 20 years ago!
Dave