Surprisingly, we don't have x-ray vision.
When we make assumptions in a report or scope, it's based from years of education and site experience; but it is still an assumption.
To confirm why water is entering through a window or expansion joint requires us to be able to see the interaction between the building element and the building structure.
To confirm the correct spalling repair technique requires sampling of the concrete.
Before spending good money, you should understand the certainty around the repair and be educated on your process.
Contact our office for a briefing by one of our specialists.