Cracks in plaster


Old 06-04-03, 11:10 AM
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Cracks in plaster

Is there an additive that I could add to my scratch coat or final coat of plaster to prevent cracks from appearing? it is on a small divider wall (two blocks 8 x 8 x 16 high) that has plenty of footing as well as being filled with premix (grouted). I built a barbecue grill and put a sand finish on it but after several months there were small cracks on it, i just wanted to prevent this on my wall.
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Old 06-07-03, 08:35 AM
awesomedell's Avatar
Join Date: Mar 2003
Location: USA
Posts: 2,425
There are polymer additives that can be added to plaster. I do drywall work not plaster so I'm not really up on all the latest techniques in that field.

Might want to take a look around on the USG site, here's a link
Other option would be to talk to a local tradesman.

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