In 10 years time when the wall is demolished it will be harder to recycle the mix of glue and brick.

Did you wet the bricks and wall before cementing?

Did you use small amounts of readymix from B&Q, travis etc?

[g]


On Friday, August 30, 2019 at 6:12:38 PM UTC+1, Bert Coules wrote:
Having just made my usual abject mess of laying a single course of bricks
(atop an existing low wall) I seriously wonder why I didn't simply stick the
damn things in place and fill the gaps with more of the same adhesive.
Centuries-old technology may be all well and good if you can manage it, but
for some jobs there are better alternatives.