Parex usa 100 or 300 series brown coat 9.
How to brown coat stucco on rough concrete wall.
Finish parex usa watermaster krak shield he 1.
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.
The scratch coat should be between 1 4 and 1 2 inch thick.
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And 3 1 2 to 5 parts sand.
Parex usa 100 or 300 series scratch coat 8.
Apply the first coat of stucco to the concrete surface.
Use for scratch coat stucco and brown coat stucco applications.
This mix is the perfect base coat choice for a traditional three coat stucco application.
A stucco wall must be supported by some load bearing material such as wood or concrete.
Stucco can be applied to wood sheathed walls in typical frame construction by adding a metal lath over the wood.
This will form the bonding between the topcoat and the anchoring of the scratch coat.
Some masons skip over this step but it doesn t hurt to spend the time for this process.
1 part portland cement.
Let this cure 24.
In industry terms lath scratch and brown.
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.
Allow the scratch coat to harden slightly.
Apply directly to masonry walls in a two coat stucco application.
Notice the mix has more sand.
This first coat is known as the scratch coat this coat helps the final coat bond properly to the wall.
Includes planning equipment and material acquisition area preparation and protection setup and cleanup.
Base coat stucco can also be applied directly to masonry walls for a two coat application.
Can be used to repair stucco walls.
1 part hydrated lime.
Three coat is the original stucco process consisting of paper and wire a scratch coat a brown coat and a finish or top coat.
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For the brown coat you will need.
Stucco can be applied directly to any masonry based wall such as brick concrete or cinder block.
It s usually finished in a rough texture.
Meets astm c926 requirements for portland cement based plaster.
This acts as an ideal base for the finish coat which is integrally colored in most cases and is what you see on stucco so the base needs to be uniform.
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.
Shea thing tape 4.
Use the flat finishing trowel to spread the stucco evenly across the surface.
Can be applied with a trowel or sprayer according to typical stucco techniques.
Stucco installation labor basic basic labor to install stucco with favorable site conditions.