Koster Repair Mortar Plus – 25kg (Up to 10 Linear Metres of Waterproof Fillets)

For your waterproofing projects, Koster Repair Mortar Plus is a watertight, rapid setting, expanding repair mortar with unparalleled adhesion performance.

Can be used internally and externally on concrete, brickwork, blockwork or masonry.

With the addition of Koster SB Bonding Emulsion, it can be used as a polymer-modified cement concrete mortar for use in concrete repair and void filling applications.

Repair Mortar Plus is intended for the execution of watertight repairs and touch ups. It’s used for the formation of waterproof fillets at wall-floor and wall-soffit junctions in basement waterproofing applications, prior to the application of bitumen thick film sealants such as Koster Deuxan 2C, and cementitious slurry systems such as Koster NB 1 Grey.

Our guide to using basement tanking slurries is here.

Product data sheet is here.