Quick answer
For bathrooms, kitchens and balconies in the UAE, use a cementitious waterproofing system on a sound, clean substrate. Prime if required, reinforce corners/penetrations with mesh or tape, and allow the stated cure time before tiling.

Use on: showers & wet rooms, balconies/terraces, under-tile areas, planter boxes.
Popular systems: Laticrete Hydro Ban (ready-mix), 2-part cementitious slurries, bitumen for non-tiled areas.
Also get: primer, mesh/tape, sealant, notched trowel, roller/brush.
Delivery & returns: see Facts & Policies.