Hello to all our subscribers or folks who stumble onto our channel by accident or reasons unknown.
Perhaps your computer knows you have a stucco home?🤷♂️
This How-to plastering video explains while spreading/applying a Skim coat of cement plaster to a CMU block wall built for privacy or retaining wall.
We explain in detail how to spread a cement plaster finish over cement block walls. Note: there is no need for any galvanized stucco settings or 3.4 metal mesh nor the need for any bonding agent as we are incorporating a natural, mechanical stucco bond” bonding agents or stucco settings are not as strong, due to popular belief. I light of a deeper knowledge that fact is explained to prove a point, which all Plastering contractors with time in understand.😉
FYI, it’s the same procedure as spreading stucco over bricks, terra cotta, flagstone, decorative rocks, or jacked up concrete walls where often the forms blow out due to the pressure of the concrete.
Keep in mind that most folks have no clue about the difference between Cement black walls to cinder book walls. The difference is strength.😏 Cinder blocks are not as strong as Concrete blocks or as they are also known as CMU blocks. CMU means Concrete or cement masonry units.
We were hired as the owner found us online and viewed some of our videos on how to skim coat walls, my son Jason and I do indeed explain and show all who may have interest; in how-to plaster just about anything one can think of.
The owners were mainly concerned with a uniform sand finish at the time. If they had placed their trust in us to make the wall uniform, the least we could do is give the radius a more defined radius, as Cement blocks are flat thus can’t create a natural radius.
Plus, the ability to create the radius was fun and created a bit more of a challenge than just closing our eyes and simply skimming these CMU walls.
I explained the cement materials that we mastered over the last 35 years, plus we have learned about to share with our faithful audience transparency in plastering so that you don’t need to invest that amount of time, But instead which may be more difficult, “to remember the reasons why.”
However, no matter what stucco mixture was applied or spread on when you spread more than one inch, there’s bound to be some cracking.
We did have to apply up to four inches; this is where the wall went eight feet without turning to form radios?
What happens when one applies any cement plaster over an inch thick?
Naturally, multiple coats tend to hairline crack when applying more than 7/8; this, in fact, when applying even a half-inch with the wrong cement plasters, they can also make hairline.
Anyone plastering professional who tells you there won’t be any cracking when spreading out so thick, don’t think twice about hiring them, as they don’t have enough time to understand the nature of stucco applications.
I informed the owner sure we would get some hailing carking; however, when this occurred, usually within two weeks, we would come back and fill any and all cracks with Mor-flex caulking. If applied properly, this is unnoticeable when the final painting is done.
As a rule, I use, Mor-Flexx caulking; see this video to understand.
-https://youtu.be/2eIkdeIBbMs/ Stucco Structural large cracking, no problemo, easy to fix.
Mor-flex caulking has stucco sand, unlike tile grout caulking, which has fine sand, thus filling the cracks in, where the paint is not noticeable.
How to Beautify a Concrete Wall?
To beautify exterior concrete walls, such as retaining walls, by applying a stucco layer to create a textured appearance. Add a “cap” to the top of the wall if desired by attaching small slabs of flat, natural stone to the wall top using the correct adhesive. The addition of stucco to a concrete wall will also help the wall retain less water and otherwise slow moisture absorption. Stucco can be applied directly to a concrete wall. However, any old paint must be removed first.
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How To Improve The Look Of A Concrete Retaining Wall with stucco.
How to Beautify a Concrete Wall.
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