Hi mate, there could be a few reasons your getting them. Going on too early with too much pressure could cause it, applying diffrent pressure to the trowel when troweling could cause it and if your laying on too thick that could be a cause as well.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.