any tricks rendering over paint?

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camnz

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Was wondering if anyone knows an easy and cheap way of preping paint for render.im using mono and render loads of painted block homes,i grinded the paint off the last one with a 9inch grinder and put rend aid over it but was a mission and took forever. if the paint is in good condition are there any primers you can put on the paint then rend aid?
 
It takes a age with a scabble spunk fecking boring job. You can crystal blasterd off but not cheap.
 
knock it off,is there a reason you can't? just down to scratch coat.

got asked to price one last week,painted pebbledash,i said id knock off down to scratch,builder said no point,ive seen it done loads of times over old render. i said,ok,do it yourself.
don't like going over old stuff,don't care if the stuff sticks like s**t to a blanket,its only as good as the render/paint its stuck too,and if the old stuff is that solid or good,why have it done in the 1st place.
 
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