That conforms to astm c926 for use in 3 4 inch thick frame wall assemblies.
Stucco base coat and finish coat over concrete wall.
How to there is a lot of confusion when it comes to mixing any kind of stucco but we will be discussing the base coat mix in this article.
I will use a custom recipe that will work for most applications and include how to mix in a bucket wheel barrow and a mixer which all require a little different techniques.
Stucco base stucco level coat.
Base coat stucco is a portland based stucco used for scratch coat stucco applications brown coat stucco applications and to repair stucco walls.
300 series are also available factory sanded.
Used to smooth a wall s surface in preparation for primer or finish and to embed mesh for parex usa krak shield stucco assemblies.
Three base coats that are known as the dash coat the scratch coat the brown coat and the finish coat.
Step 3 apply the base coat layers.
The typical application of cement stucco calls for layering four coats.
Each base coat has a particular mix.
Well this is the finishing coat and hence it is best to use the factory prepared stucco.
Requires only the addition of water.
On sheathed walls a waterproof paper has to be applied before metal lathe is installed over it.
Base coat stucco can also be applied directly to masonry walls for a two coat.
The scratch coat should be between 1 4 and 1 2 inch thick.
This mix is the perfect base coat choice for a traditional three coat stucco application.
How to mix stucco base coat.
Apply the first coat of stucco to the concrete surface.
This first coat is known as the scratch coat this coat helps the final coat bond properly to the wall.
Use the flat finishing trowel to spread the stucco evenly across the surface.
Base coat stucco finish coat stucco calculator enter the area of your wall in square feet excluding window and door openings.
Make sure that you leave the surface for drying till it gets complete dry and then start with the application of next coat.
Available in white or gray.
The calculator will indicate the number of 80 lb bags of quikrete base coat stucco and finish coat stucco you will need to construct your stucco wall using a traditional 3 coat or 2 coat application process.
Allow the scratch coat to harden slightly.