Different types of plaster on each other?

Sir Duke · 2015-07-22T15:05:14+00:00

The construction workers at home had some mortar left over after building cinder block walls for our new crawl space. Since there were a few bags left over, they happily started plastering with the same mortar. https://www.byggmax.se/gjutning-och-husgrund/cement-och-bruk/mur-och-putsbruk-b-p0112 Our supervisor is not available right now, but I remember he said before that it was important to plaster with "KC-bruk." (Does that mean lime-cement mixture??) Anyway, I got hold of the foreman, and he asked the construction workers to go and buy plastering mortar instead. https://www.byggmax.se/gjutning-och-husgrund/cement-och-bruk/puts-och-murbruk-c-p0113 However, the mortar sat on the cinder block wall for a couple of hours. They have started scraping it off. How important is it to remove everything? (Probably won’t be possible without damaging the cinder blocks behind...) And does the plaster mortar adhere on top of the mortar? What will the long-term result be? Thanks in advance for the help!!

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SBH

#16

Anonymous

23 Jul 2015 at 8:13 PM

SBH

Anonymous

23 Jul 2015 at 8:13 PM

is what I've meant all along. just choosing short info.

Different types of plaster on each other?

SBH

SBH

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