Sanjeev Sabhlok's notes on technology, hardware, gardening

External roof/ balcony waterproofing options

Crommelin Exterior Grade Brushable Waterproofer

Or Crommelin exterior grade waterproofing

Strong silicone:

Storm silicone sealant:

Liquid rubber

Liquid rubber:

Liquid rubber can be painted on top. ( see this)

See waterproof membranes here.

Arma Blue sheet  (see also this)


This is a very versatile method.

Nano technology


durable membrane

Gripset 2P -2 Part Flexible Cementitious Membrane


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