Confirmed
Multiple evidence points support the cause.
What you are seeing
Symptoms and likely causes
Typical signs
- Blistering paint on the inner face of a rain-facing wall
- Damp that is worse on one elevation after monsoon
- White salt (efflorescence) at the base or along a crack
- A patch that returns weeks after fresh interior paint
Causes we actually check
- Driving rain through cracked or porous external plaster
- A bathroom or terrace leak travelling down a column
- Rising damp at a ground-floor wall base
- A pipe in the wall cavity — possible; we do not assume it from a stain
How Gracia diagnoses
Evidence before treatment
We map which face of the building is wet, after rain if we can. External crack map plus moisture on the inner face. Thermal helps when bathroom vs wall vs terrace could all be guilty. Interior anti-damp paint is not the treatment.
West-facing walls in Nizampet, Kompally and Gachibowli take the monsoon. Interior painters get called first. The Nizampet case study is this pattern: crack fill and weather coat on the rain face, not a third coat of emulsion inside.
Probable
Evidence indicates the cause; further verification may still be required.
Possible
One or more clues exist, but the evidence is not enough for a firm conclusion.
Excluded
Inspected, and no supporting evidence found in the inspected area.
What the Leak Diagnostic Report contains → · Thermal diagnosis cluster
Local case
Rain-facing wall damp in Nizampet
Problem. Interior damp on a west-facing bedroom wall every monsoon. Interior paint had been redone twice.
Evidence. Hairline cracks aligned with the interior damp. No roof-level entry on that bay.
Probable. Driving rain through cracked external render. Terrace contribution excluded on that bay.
Treatment. Crack filling and weather coat on the rain-facing elevation.
Testing. Visual after the next rain; moisture check on the inner face.
Full case study →Questions
About this problem
Driving rain through cracked external plaster is the usual Hyderabad pattern on the rain-facing elevation. A bathroom on the other side of the wall, or a terrace above, can mimic it. We map the wet face before we quote a weather coat.
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