Batimix Mortar W-840 Z

Waterproofing and protection of sewage facilities


BATIMIX Mortar W-840 Z is a fast-setting cementitious-based material. It is used to stop water leakages and moisture-ingress. It is made from cement, carefully-graded sand, and waterproofing additives.

BATIMIX Mortar W-840 Z allows the passage of water vapor through the concrete. It is applied against active or passive water pressure surfaces.

Main Purpose

BATIMIX Mortar W-840 Z is primarily used for the following applications:

  • Plugging water leaks and seepage
  • Sealing leaking cracks and wet surfaces
  • Fixings in water structures where immediate use is required
  • Installation of steel elements in concrete or masonry applications
  • Underwater repair works


BATIMIX Mortar W-840 Z has the following characteristics:

  • \Ready-to-use it allows for consistent properties of the fresh and hardened product
  • Sets immediately from 30 seconds to 5 minutes after mixing
  • High-degree of adhesion/bond to the substrate
  • Extremely-low water absorption
  • increased water vapor transmission
  • Improved sulfate resistance, overall durability, and high compressive strength




  • 25KG Paper Bag

Health & Safety

BATIMIX Mortar W-840 Z contains cement that is irritating to the eyes and skin. In case of contact, rinse immediately with plenty of water. Wear suitable gloves. For further information, kindly refer to the product's Material Safety Data Sheet.