Balcony water seepage problem in Indian flats often shows as damp patches on balcony walls/ceilings, water stains spreading to interior rooms below, efflorescence, peeling paint, or constant wetness even after rain stops. Primary causes: cracked balcony waterproofing layer, poor slope causing ponding, damaged parapet joints, unsealed expansion joints, porous concrete slab, or clogged ... https://shakuraconstruction.sg/balcony-water-seepage-problem/