Cheers noseall :)
I guess the "patch testing" option, is the sensible route.
Many thanks to yourself and all the others that contribute their time & expertise on this site - much appreciated 8)
Situation:
Have chimney-breast (just the face, not the sides) that has previously been taken back to brick and the brickwork varnished. I would like to give the chimney-breast a less dated look and make it more universally acceptable in order to help sell the property.
Advice re...