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YAPIFINEConstruction Systems

Coarse Structural Repair Mortar – R4

YAPIFINE MEND® POWER

Cement based, single component, waterproof, non-shrinking structural repair mortar with coarse aggregate and fibre reinforcement including performance and workability boosting chemical additives.

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Technical profile

Material data,
at a glance.

Key properties and declared technical characteristics for product selection and initial evaluation.

Appearance
Grey powder Elastic Modulus > 20 Gpa
Pot Life
min. 20 minutes Capillary Water Absorption ≤ 0,5 kg/(m².h0,5)
Application Temperature
Between +5°C and +30°C Compressive Strength (28 days) ≥ 60 N/mm²
Service Temperature
-30°C /+80°C Flexural Strength (28 days) ≥ 10 N/mm²
Application Thickness
max. 40 mm per layer Adhesive Strength (28 days) ≥ 2 N/mm²
Time Before Use
1 day Chloride Ion Content ≤ 0,05 %
Restrained Shrinkage / Expansion
≥ 2 N/mm² Reaction to Fire A1

Performance

Product advantages

  • Easy to apply.
  • Suitable for vertical and horizontal applications.
  • Not affected by humidity due to not having any metal content.
  • Waterproof.
  • Resistant to sulphate and chlorine.
  • Does not cause corrosion.
  • Resistant to carbonation.
  • Can be used in contact with reinforcement due to chloride-free content.
  • Does not shrink.
  • Ensures high compressive strength.
  • Does not cause cracking and dusting.
  • Resistant to freeze-thaw cycle.

Application range

Areas of use

  • Any kind of industrial, reinforced concrete building
  • Floorings on special coverings and surface repairs for areas with light or medium traffic load
  • Filling tension gaps (rod clearances/tie-rod holes) and core spaces in concrete buildings
  • Repairing concrete that is obtained via moulding during any kind of construction work and repairment of cracks
  • Engineering constructions such as subway, motorway, dam etc.
  • Repairment, restoration and reinforcement projects
  • Repairing surface disorders of 10–40 mm thick at once

Use guidance

From selection
to application.

01

Application

Applied to the surface in the appropriate width with the help of a trowel. After the application the surface needs to be kept damp for the next 24 hours. Applications should be done layer by layer where the application thickness is larger than 40 mm and between each layer a minimum of 3 hours should be waited. After the application, the surface should be kept damp for 2-3 more days.

Specification & supply

Standards, formats
and handling.

02

Packaging

  • 25 kg kraft bag
04

Storage

The shelf life of the product is 12 months when it is stored on wooden pallets in a cool, dry and moisture free environment with an ambient temperature between +10°C and +25°C.