Bostik Watertite

Watertite is a comprehensive tanking and waterproofing system. It is recommended for all installations where water penetration is a risk, for example power showers, wet rooms and steam rooms. It is ideal for use in hotels, leisure centres, garages and homes.


  • Fast drying, typically touch dry in one hour.
  • Tough, flexible, good crack bridging properties.
  • Good bond to many substrates.
  • Apply by spray, brush or roller.
  • Easy to use.
  • Ideal for power showers and wet rooms.
  • Suitable for use with underfloor heating systems.
  • Blue liquid to indicate total coverage.
  • Non-toxic, non-hazardous, solvent and plasticizer free.

Packaging contents:

  • 8kg kit supplied in a 15L outer bucket containing:
  • 8kg Watertite liquid applied membrane.
  • Two pipe collars.
  • One roll of self-adhesive tape.
  • Roller for use as an applicator.

General information


Fast drying, typically touch dry in one hour

Tough, flexible, good crack bridging properties

Good bond to many substrates

Apply by spray, brush or roller

Easy to use

Show more


M40/10 Natural stone covering to

M40/110 Tiling to

M40/115 Natural stone covering to

M40/12 Mosaic to

M40/120 Mosaic to

M40/5 Tiling to

M41/110 Terrazzo tiling

M41/120 In situ terrazzo

M41/140 Marble tiling

Specification data

Product Reference

Bostik Watertite

Standard product features


Light blue liquid.

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