Examples of roofs that can t be walked on are.
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 first layer of plaster is called a scratch coat consisting of plastic cement and sand.
The exceptions are when there are roofs that can t be walked on without possible damage to the roof.
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.
Put on your roof before the stucco with a few exceptions.
A stucco wall is designed to last for centuries.
A brush is not used because it will cause delamination.
First roof first as quoted previously flashing in stucco can be tricky and tends to crumble.
The first coat is allowed to dry cure before the second layer is applied.
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.
A trowel is used to scratch the surface horizontally or in a crisscross pattern to provide a key for the second layer.
Ok maybe not jackhammer but you get the idea.
The first part of installing roof flashing to a stucco wall is to gather the necessary materials.
Also stucco repairs are usually painfully obvious.