Create contraction joints every 4 6 feet.
Pouring concrete wall against existing wall.
Concrete should never be poured up against steel siding and or trim.
Anyway regardless of whether your house is made of masonry block with a fake stone veneer or is really of stone you cannot pour concrete against the wall unless both share the same footing.
If the wall exceeds four feet in height footings should be poured separately.
The poured concrete wall has more mass or interlocking cement paste crystals to resist the cracking force.
A poured wall is much stronger and generally last many more years than a block wall.
See below for more information on contraction joints remove forms and install waterproofing and drainage system.
I noticed something in his video that raised a red flag for me so i thought i would rough ou.
Allow concrete to cure.
The hollow block wall is depending solely on the strength of the thin mortar bed between each concrete block.
Pour footings and wall.
Finish the surface of the wall as desired.
If you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks.
This is just a quick video for my friend who is building a home.