Self-Adhesive Butyl Tape used for joining sections of Cemprotec 2000-S


Cemprotec 2000-BJT is a high performance butyl tape which is designed to join two pieces of Cemprotec 2000-S waterproof composite tape together. Embedded into our Cemprotec range of cementitious coatings, it forms an elastomeric joint between two lengths of Cemprotec 2000-S to accommodate movement.

Supplied as a 100mm wide preformed strip on siliconised release paper, the backing strip is simply removed upon application. Non-toxic and approved for use in contact with potable water, Cemprotec 2000-BJT is ideal for use in a wide range of waterproofing applications, such as reservoirs, water tanks, roof slab and projects in enclosed locations where it is not suitable to use solvent-based or hot welded products.


  • Non-toxic and suitable for indirect contact with potable water. WRAS approved
  • Completely safe during application – no solvents released or hot work required
  • Easy and accurate to use with little waste and no mess
  • Excellent adhesion to a wide range of substrates
  • UV resistant
  • The foam component allows excellent compression without squeezing the sealant out of the joint
  • Resistant to acids and alkali
  • Can be easily repositioned during application
  • Remains flexible throughout its service life – able to go round internal corners and wall form junctions


WRAS approved for use in contact with potable water.

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