Glue residue on externel brickwork.

[Slime]

Pretty much as in the title.
A sign has been removed from the outside of a cottage and I can't find any way of shifting the glue that has been left behind.
I've tried the obvious and even a high powered steam cleaner wouldn't shift it.
Any ideas on what to do without bleaching the bricks .................. if bleaching is even possible!

Untitled

• Slime
• 11 Nov 2014
• 1

Untitled

• Slime
• 11 Nov 2014
• 1

Untitled

• Slime
• 11 Nov 2014
• 1

Many thanks,

Slime.

 

[KenGMac]

How about contacting the local Authority and talking to the Graffiti Removal team, they must have come up against this problem historically?

or contact some of the larger firms that produce "glues" and see if they have a magic bullet, such as nail varnish remover, that stuff does remove some types of glue?