The same principal's apply to skim coating over, stucco, cinder block, brick, or plaster. Stucco over painted block, brick or stucco by chipping the block.
How to stucco a painted block wall.
How to stucco a painted block wall. Prime the stucco, if needed. To apply stucco to your existing brick, block, or concrete wall, first, brush a concrete bonding agent onto the wall, then allow it to dry. That’s because stucco is porous and has a rough texture.
Stucco over painted block, brick or stucco by chipping the block. Keep in mind you’ll need more paint for stucco walls than other siding materials. Allow the wall to dry overnight, then apply a coat of concrete bonding agent.
When the roller starts to load up with stucco, replace it with a fresh one. Chipping up the wall is a variation of an old method that seems to work the best for us. They are cut flush with the block.
If this is the first time the stucco will be painted, you should prime the walls first with an acrylic latex block filler, says ashley kloehn of hirshfield’s in. Can you skim coat stucco? The stucco that was initially put on the walls 12 years ago cracked and/or fell off.
Roll over the wall with a lamb's wool paint roller to add texture to the wall. You can have the paint sand blasted off or i've had success using a fortified thinset mortar. How to apply stucco to a block wall.
The mortar joints of the wall are not struck; Wait at least 48 hours for the stucco to dry. The paint is a problem though.
It's pretty easy to stucco over concrete block, just trowel on a coat of cement and apply the stucco color coat over it. I like using mortar on block walls because it holds up to moisture better than joint compound but have not used on painted block. Clean the wall using a garden hose with a spray nozzle.