Will coating stop a plumbing leak?
No. Plumbing leaks require diagnosis and repair at the source before coating work is considered.
Wall-coating assessment for suitable exterior walls and dampness-related painting issues.
Waterproof wall coating is suitable only after diagnosing the likely source of seepage. A wall coating is not a universal fix for plumbing leaks, structural cracks, terrace leakage, or failed building waterproofing; those causes may require separate repair.

No. Plumbing leaks require diagnosis and repair at the source before coating work is considered.
Structural cracks need appropriate inspection and repair; paint or coating alone should not be treated as a structural solution.