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CERESIT BT 26

  • For application temperatures down to -5 °C
  • Also suitable for damp and cold surfaces
  • Rapidly-drying

Features and benefits

Bitumen-rubber emulsion used for priming self-adhesive membranes, sealing strips and fixing tapes.

Properties

Description

CERESIT® BT 26 is a high-quality, water-dilutable bitumen-rubber primer used to improve the adhesion of sealing membranes and strips. It can be applied on all absorbent mineral substrates, e.g. concrete, plaster, foam concrete, sand-lime or brick masonry with a level surface, weather-worn bituminous surfaces, rigid foam boards made of extruded polystyrene and on the non- woven backing of the CA 22 fixing tape in the overlap area.

Documents and downloads

How to use

IMPORTANT TO NOTE WHEN USING CERESIT BT 26

Make sure to observe the following technical information: BT 26 Safety Data Sheet, special information issued by the Builders Trade Association on GISCODE BBP 10, Technical Data Sheets of other Ceresit products, DIN 18 195 "Waterproofing of Buildings and Structures".

SUBSTRATE PREPARATION FOR APPLICATION OF CERESIT BT 26

Use Ceresit BT 26 »All-Weather« Primer only on level, solid, load-bearing, clean, dry or slightly damp substrates. Brush off the existing load-bearing bituminous substratesand free them from dust. Very thoroughly free the foundation base projection and the base slab front from dirt and excess mortar. At low temperatures make sure that the substrate is free of ice. 

APPLICATION OF CERESIT BT 26

Before use, mix Ceresit BT 26 »All-Weather« Primer carefully with water at a ratio of 1:1 parts by volume. At lower temperatures, use BT 26 undiluted. In the case of coarse-pored surfaces, e.g. pumice and hollow blocks as well as aerated concrete, the primer must always be used undiluted. Use a ceiling brush to apply a generous and uniform coat. 

Related how to guides

  • Horizontal barrier under foundation wall
  • Concrete structures protection with mineral waterproofing slurries

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Frequently asked questions