Batimix Mortar W-840

Fast setting waterproof plugging compound


BATIMIX Mortar W-840 is a fast setting cementitious material, which stops water leakage and moisture ingress. It is made from cement, carefully-graded sand, and a combination of selected waterproofing additives.

BATIMIX Mortar W-840 allows the passage of water vapor through concrete. It withstands active and passive water pressure.

Main Purpose

Batimix Mortar W-840 is designed for plugging water leaks and seepage, sealing leaking cracks and wet surfaces, and fixing water structures, which may need to be used shortly after application. It is also used to install steel elements in concrete and for masonry applications and underwater repair works.


BATIMIX Mortar W-840 has the following characteristics:

  • Ready-to-use it yields consistent properties of the fresh and hardened mortar
  • 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 durability and high compressive strength




  • 25KG Paper Bag

Health & Safety

BATIMIX Mortar W-840 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.