Silicone over sand and cement
- Thread starter FreeD
- Start date
Plasterers1StopShop
Well-Known Member
Have a number of guys who do it. Just the normal really. Definitely prime and ensure yours base has dried thoroughly
Rossi46
Private Member
Yeah OCR. Much easier to work with OCR than the heavy polymer modded products. Needs a good coat of primer though as its got a lot of suction when dry. Works well for me
FreeD
Private Member
Yeah OCR. Much easier to work with OCR than the heavy polymer modded products. Needs a good coat of primer though as its got a lot of suction when dry. Works well for me
Is OCR micro cracking an issue say if you use Weber? And when you say a good coat of primer do you mean 2? or 1 generous coat?
Rossi46
Private Member
It does micro crack to be honest. Can't seem to stop it. Seems to be where there is the slightest bit of suction difference. Even with a mesh embedded. Or where it's gone on a bit heavier. Anyway a good 1 coat of primer works well. Don't be shy with it or water it down.