the master holds a drawing with an explanation of how the saltpeter on foundation is developing
Keywords
saltpeter,
foundation,
brick,
building,
chemistry,
construction,
material,
damage,
damp,
deterioration,
house,
injection,
infiltration,
insurance,
lime,
old,
texture,
wall,
water,
white,
decay,
dirty,
disrepair,
foam,
molding,
rot,
rotting,
surface,
down,
drilling,
coating,
brush,
cement,
concrete,
craftsman,
tool