The lateral movement to concrete, cinder, concrete, or brick retaining walls
I’m am explaining how to fix cracks caused by lateral and ground movement in concrete block walls.
The lateral movement to concrete, cinder blocks, or brick retaining walls
A few years ago, we did these walls with a white cement plaster called Lehigh’s white cement plaster. When mixed with sand which is usually brown, the color appears sort of a whitish tan color that varies with the amount of water applied. But, again, we were after old-world charm.
In this video, I explain the tip of the iceberg regarding the lateral movement in retaining walls. Whether or not the retaining walls are made of concrete, cinderblocks, rocks, bricks, or wood, with stucco, lateral movement should be considered thoroughly, and proper precautionary measures should be considered.
Such as the fact that when the rain starts and continues for a few days, to say worst-case scenario, months, the amount of water generates much-added weight and especially which causes movement, retaining walls can move from an inch to a foot and sometimes even collapse although rare.
Most of the lateral movement I have observed has been minor, as in the wall in question in this video. In fact, the height and length of this retaining wall VS the amount of earth it’s holding back are what I would consider top of the line engineering combined with quality craftsmanship, the fact that it has only shifted about an eight to quarter-inch, seam an impressive feat of engineering to me at least.
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With a bit of attention with interest, you too can connect the dots in understanding the basic principles or ideas of why retaining walls often hairline or crack.
The bottom line is lateral weight and or movements to concrete, cinderblock, or brick retaining walls with stucco or plaster as a top coat is like Kryptonite to superman. In the past 30 plus years, I have seen very few horrible retaining walls. The fact is most are only cosmetically bad but even with cracking, still structurally sound.
We show how to fix cracks caused by ground movement in concrete blocks or brick retaining walls.
The thickness is necessary so the grout lines won’t show through when it rains and saturates the walls.
If you’re going to paint your new stuccoed block walls, no worries about the thickness, as even if there are wet if painted, the grout line still won’t bleed or ghost through.
Also, there’s no need to attach any metal lath of any kind to Bricks, cinderblocks, concrete, or porous foundations.
For example, red bricks are porous. When it rains, they darken when wet, then when dryer condition returns, the brick drys once more to its natural color.
Stucco adheres best to really clean, cinderblock, or concrete walls by what’s called a mechanical bond, that’s where two substrates, one existing such as a concrete block wall, is moist or wet with a garden hose and the new stucco, which is also and naturally wet bond into one, this is proven by the test to time to be the strongest bond known to man.
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