Batimix Mortar W-861

Non-shrink waterproof grout for filling joints smaller than 4 mm


BATIMIX Mortar W-861 is a cementitious non-shrink and waterproof grout for filling joints smaller than 10mm.

It is made from Portland cement, carefully-graded sand, and a combination of selected additives designed to enhance workability, adhesion, and waterproofing properties. It is durable, resistant to frost and heat after setting.

Main Purpose

BATIMIX Mortar W-861 is used to fill narrow holes and small joints less than 4mm. It is used for both interior and exterior elements. This product allows for obtaining consistent properties of the fresh and hardened mortar.

Main applications include grouting structures, such as supports beneath load-bearing units, column-based plates, anchors, dowels, and beams.


BATIMIX Mortar W-861 has the following characteristics

  • Spreads and clings easily on cementitious-based substrates
  • High degree of adhesion/bond on the substrate
  • Non-staining, offering a similar appearance to parent concrete and mortar surfaces
  • High strength and flexural characteristics
  • Positive expansion, thus eliminating all types of shrinkage problems and surface cracks
  • Reduced level of water penetration
  • Extremely-low water absorption, yet increased water vapor transmission
  • Improved durability with a high quality finished texture






  • 25KG Paper Bag

Health & Safety

BATIMIX Mortar W-861 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.