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Repairing damaged concrete is one of the primary requirements in the maintenance of sewage water treatment plants. A sound and correctly repaired concrete substrate is also the basic requirement for subsequent waterproofing, protection or strengthening systems to be applied.

 

Requirements

  • Full system compatibility (bonding primer, reinforcement corrosion protection, repair mortar, levelling mortar)
  • Approved for structural repairs where required (e.g. class R3 or R4 according to EN 1504-3)
  • Low crack sensitivity
  • Fast and easy application

Sika Solutions

Bonding primers (where relevant):

  • Sika MonoTop®-910 N (normal performance)
  • SikaTop® Armatec®-110 EpoCem® (high performance)

Reinforcement corrosion protection:

  • Sika MonoTop®-910 N (normal performance)
  • SikaTop® Armatec®-110 EpoCem® (high performance)

Sulphate resistant form and pour repair mortars:

  • Sika MonoTop®-438 

Sulphate resistant thixotropic repair mortars for local patch repairs:

  • Sika MonoTop®-412 N (non-polymer modified)
  • Sika MonoTop-412 NFG (polymer modified for better durability)

Surface levelling and fairing mortars:

  • Sika MonoTop®-723 N (cement based polymer modified for normal performance) or
  • Sikagard®-720 EpoCem® (high performance epoxy modified as temporary moisture barrier and fast over-coating)
  • Self-levelling, epoxy modified, cement based levelling mortars – temporary moisture barrier and fast over-coating:
  • Sikafloor®-81/-82 EpoCem®

Abrasion resistant cement based mortar:

  • Sika® Abraroc® SR