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hydrating or wetting stucco walls before applying the next coat for mechanical bonding for stucco

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hydrating or wetting stucco walls before applying the next coat for mechanical bonding for stucco

Hello our friend, I titled this video hydrating or wetting stucco walls before applying the next coat for mechanical bonding for stucco as it’s one of the most important facts when applying color coat cementitious or acrylic finishes.

Mechanical bonding for stucco, this video below that explains just some of the methods behind the reasoning.
https://youtu.be/dw34VLYFC1Y/
In the above video, I explain in detail what a mechanical bond is and why it’s the strongest form of adhering stucco to any surface naturally.

I titled the above video, Improve The Look Of A Concrete Block Retaining Wall with stucco and hydration process.

HYDRATING STUCCO
I hydrate a scratch coat once or twice, depending on the temperature. For the base coat, hydrate at least three times during your cure/wait process.
I often ask my client to hydrate the walls. When they say how much, I respond by saying, start at the top with a regular garden hose, use the jet stream or close to it, and hit the walls entirely for the wall to absorb the water.
When the water finally keeps shedding off, the stucco is absorbed fully.
This causes cement stucco to expand.
Then with the help of gravity and evaporation, you are all set.

Hydrating the scratch coat before the brown coat.
Applying Brown Coat.
Once you have properly hydrated the scratch coat to the point where it is no longer absorbing the moisture being sprayed on it, you will be ready to apply your brown jacket. After mixing the brown coat, allow it to sit for 20 minutes or so before applying it to the moist surface of the scratch coat.

Hydration is essential to achieving durable stucco. It is the principal mechanism of converting portland cement into a solid binder. Improper hydration leads to decreased strength development, layers’ delamination, and cracking.

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