top secret .... cream of tarter ( yes the baking powder for scones bought in ur local asdas ) for every bag of plaster u mix ad half a cap full . belive me it will hang on for ages . been using in for years with no side affects to the final setting coat
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.
