Mapei Mapemortar HB R3 High Build Repair Mortar (Select Quantity)

TECHNICAL CHARACTERISTICS

Mapemortar HB R3 is a premixed powder mortar composed of cement, graded aggregates and special additives from a formula developed in the Mapei research laboratories.

When mixed with water Mapemortar HB R3 forms an easy to apply high build mortar that can be applied without slumping even in substantial thicknesses on vertical surfaces without the aid of formwork. When fully cured Mapemortar HB R3:

• has moderate flexural and compressive strength;

• has a modulus of elasticity, thermal expansion coefficient and permeability coefficient similar to medium strength concrete;

• has excellent adhesion to existing concrete surfaces providing they have been pre-soaked and still damp with clean water;

• reinforcing bars should be treated with Mapefer or Mapefer 1K. If Mapemortar HB R3 is prepared by only adding water, it should be cured under damp conditions in order to guarantee that the products expansive properties develop correctly and completely.

RECOMMENDATIONS

• Do not use Mapemortar HB R3 to repair structures subject to high compressive loads, high impact or abrasion: use Mapegrout T60 or Mapegrout Thixotropic instead.

• Do not use Mapemortar HB R3 on smooth concrete surfaces. Roughen the surface thoroughly and add reinforcing steel if required.