Hairline craks in SLC

[vrytir]

I am a little bit slow:8: My missus is getting mad at me. I have no idea why:smilewinkgrin:

 

[Mark S]

If using all Mapei gear get them to write you a spec, and get rep to come and have a look for you.

 

[James bond]

please advise if the hairline cracks in the underlay self levelling compound is a concern