1 part portland cement.
How to brown coat stucco on rough concrete wall.
Apply the first coat of stucco to the concrete surface.
The scratch coat should be between 1 4 and 1 2 inch thick.
A stucco wall must be supported by some load bearing material such as wood or concrete.
Stucco installation labor basic basic labor to install stucco with favorable site conditions.
This first coat is known as the scratch coat this coat helps the final coat bond properly to the wall.
This will form the bonding between the topcoat and the anchoring of the scratch coat.
Parex usa weather seal 5.
Scratch and brown coat in a three coat stucco application.
It s usually finished in a rough texture.
And 3 1 2 to 5 parts sand.
Finish parex usa watermaster krak shield he 1.
Stucco can be applied to wood sheathed walls in typical frame construction by adding a metal lath over the wood.
Parex usa 100 or 300 series brown coat 9.
1 part hydrated lime.
Use the flat finishing trowel to spread the stucco evenly across the surface.
Base coat stucco can also be applied directly to masonry walls for a two coat application.
This mix is the perfect base coat choice for a traditional three coat stucco application.
Parex usa 100 or 300 series scratch coat 8.
After the cement is on the wall a scratcher is used to make horizontal lines in the stucco mix in order for the next coat the brown coat to stick to it.
Apply directly to masonry walls in a two coat stucco application.
Let this cure 24.
Can be applied with a trowel or sprayer according to typical stucco techniques.
Allow the scratch coat to harden slightly.
This process can take some time and patience but is not too difficult to do in fact it is the easiest process out of all of the base finish coats.
Install building paper metal lathe and three coat scratch brown and finish stucco.
Some masons skip over this step but it doesn t hurt to spend the time for this process.
Use for scratch coat stucco and brown coat stucco applications.
The brown coat surface is much smoother than the scratch coat and is gritty to the touch but flatter and looks more appealing than the scratch.
Meets astm c926 requirements for portland cement based plaster.
Shea thing tape 4.
Includes planning equipment and material acquisition area preparation and protection setup and cleanup.
Stucco can be applied directly to any masonry based wall such as brick concrete or cinder block.
In industry terms lath scratch and brown.
Notice the mix has more sand.
For the brown coat you will need.
Can be used to repair stucco walls.
The finish coat is not considered a step because it is needed on every type of application that is used so they are mainly referring to the stages up until the.