A trowel is used to scratch the surface horizontally or in a crisscross pattern to provide a key for the second layer.
Roof or stucco first.
In this case it is necessary to put on a counter flashing first stucco next overlapping the counter flashing with stucco then put on the finished roof.
The earliest stucco contained lime instead of cement and because its ingredients are easily found in nature it s one of the oldest natural types of siding around dating back to ancient greece.
First roof first as quoted previously flashing in stucco can be tricky and tends to crumble.
Put on your roof before the stucco with a few exceptions.
Some of the materials may not be necessary in every case but it is helpful to have the adequate tools on hand so that the installation process goes well.
Also stucco repairs are usually painfully obvious.
A stucco wall is designed to last for centuries.
Slate spanish tile some copper roofs and aluminum roofs.
A brush is not used because it will cause delamination.
Examples of roofs that can t be walked on are.
A thirty year roof is designed to last for thirty years.
The first coat is allowed to dry cure before the second layer is applied.
Ok maybe not jackhammer but you get the idea.
If you take a stucco wall down to a thirty year roof then you have to jackhammer into the stucco just to replace the roof.