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 completely.
How to apply stucco to concrete wall.
Use the flat finishing trowel to spread the stucco evenly across the surface.
So hi i m micah garrett with buildblock building systems and today we re going to be talking about how stucco is applied to an icf wall systems.
Prep the wall surface by spraying the block with water to prevent the stucco from drying too quickly.
The application of the stucco should begin with a scratch coat a 1 4 to 1 2 layer of mortar which is.
In this video we explain how to apply stucco to an icf wall that has been poured.
When you drag a hoe through the stucco it should be just thick enough to hold its form.
After the bonding agent has been allowed to dry the stucco can be applied directly to the wall.
Some of the basics of stucco is typically this is an eiffs style stucco application.
Use a masonry trowel to apply the mud in overlapping arcs to the wall.
Apply the base coat stucco using a square trowel held at a 45 degree angle.
Right before you apply the plaster wet the wall to improve the suction bond and reduce the amount of water the wall absorbs from the plaster.
Work from the bottom of the wall up and apply at a thickness of about 3 8 inch over the entire area.
Mix finish coat stucco with water to the same consistency as the base coat adding stucco colorant as needed to give the material the desired hue.
Allow the scratch coat to harden slightly.
Apply the stucco to the wall with a trowel to a thickness of 1 8 inch.
This first coat is known as the scratch coat this coat helps the final coat bond properly to the wall.
Use long strokes knife swaths and other techniques to give the stucco the desire texture.
Use firm trowel pressure to force the stucco into the lath.
Stucco a masonry or concrete wall.
How to apply stucco over old stucco.
Flatten the final texture with a trowel.
Apply the first coat of stucco to the concrete surface.
Stucco is a common finish material used in residential and commercial construction both for interior and exterior settings.
Then apply inch thick scratch coat and score it with shallow horizontal lines.
When installed properly it will.