Terrace waterproofing Mumbai is a different ball game. Search “how to fix waterlogging in a garden” and you’ll get advice written for a backyard in Pune or a farm plot in Nashik — dig a trench, improve soil percolation, plant in raised beds. None of it accounts for the actual problem on a Mumbai terrace: you’re not gardening on ground, you’re gardening on a concrete slab with someone else’s ceiling underneath it. That changes everything. On a Mumbai terrace, waterlogging isn’t just a plant health issue — it’s a structural one. Pooled water after a 150mm downpour adds real weight …