On 06/04/2018 15:48, Dan S. MacAbre wrote:
The answer is most likely no, but I was wondering if (minimal expansion)
expanding foam will take rawlplugs (my own generic name for the things).
Â*It's only for holding skirting boards to the wall, so not really a
tough job.

I also discovered that drinking straws can be used as a nozzle for this
stuff when your old one is solidly blocked.Â* Although I know that there
is more than one diameter for these thin

Is this on a brick wall? Can you not rake out some mortar from the
vertical lines and hammer in wooden wedges to screw to?

SteveW