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CERESIT ZU

  • Adhesion after 24 hours
  • Durable and flexible thanks to 3D reinforcement
  • Good adhesion

Features and benefits

For polystyrene foam and making a reinforced layer; for fixing polystyrene boards and for making a thin layer reinforced with mesh on them when insulating buildings using the light-wet method.

Properties

Description

CERESIT® ZU mortar is used to insulate the external walls of buildings using polystyrene boards. It is a component of complex external wall insulation systems (ETICS) of CERESIT Ceretherm buildings. CERESIT ZU mortar is used both for fixing EPS and XPS polystyrene boards, as well as for making a reinforced protective layer when insulating newly erected buildings and undergoing thermal renovation. Available pack size: 25 kg

Documents and downloads

How to use

CERESIT Tiling CE60 LP Instructions Illustration Step 1

CERESIT ZU SUBSTRATE PREPARATION

Fixing EPS-boards: CERESIT ZU shows good adhesion to carrying, compact and dry substrates. The adhesion to the existing plasters and paint coatings should be checked before starting the application.Reinforced layer application: when CERESIT ZU is set (after approx. 24 hours), the boards should be ground with abrasive paper and additionally fixed with mechanical anchors.

CERESIT Tiling CE60 LP Instructions Illustration Step 2

APPLICATION OF CERESIT ZU

CERESIT ZU should be poured into cool clean water and stirred until the homogenous mass is obtained. Fixing EPS-boards: the mortar should be applied along the board edges and the board should be pressed to the wall.Reinforced layer application: the mortar should be spread along the surface of the EPS boards. The glass fibre mesh should be applied on the fresh mortar, and than smoothed the surface so that it is not be visible. 

CERESIT Tiling CE60 LP Instructions Illustration Step 3

IMPORTANT TO NOTE WHEN USING CERESIT ZU

When applying the reinforced layer, do not work walls in direct sunlight and protect the completed layer from rain. The works should be carried out in dry conditions, at the temperature air and substrate temperature ranging from +5°C to +25°C. Skin and eyes should be protected. If the material comes into contact with your eyes, rinse them thoroughly with water and seek medical attention. 

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Frequently asked questions