It's very common to have trees and shrubs around building foundations, and it's almost inevitable to fertilize them several times a year.
I know fertilizers are usually very bad for concrete, especially the ammonium sulphate which is called out in many concrete research papers but widely used in...
Client's foundation was poured 2 years ago, perimeter is square, each foundation wall is about 30 feet long, 4 feet high. Recently client noticed hairline cracks in foundation all over the places (every wall has about 20 cracks, evenly distributed in the middle 2/3 section).
Inspected the...