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Structural / High-Build Repair Mortar

High-strength fibre-reinforced structural repair mortar for load-bearing concrete restoration.

Structural GradeFibre ReinforcedVertical 50mmEN 1504-3 R4
APPLICATION10–80 mm
STRENGTH (28d)≥ 60 MPa
BOND≥ 2.5 MPa
SHELF LIFE12 months
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↓ Download Datasheet (PDF)

Overview

Load-bearing repair. Structural certified.

Structural / High-Build Repair Mortar is a high-strength, fibre-reinforced cementitious mortar engineered for structural repair of load-bearing concrete elements. Polypropylene micro-fibre reinforcement plus polymer modification enables thick vertical and overhead application without slumping.

Specified for column section restoration, beam soffit repair, and any application requiring EN 1504-3 Class R4 structural grade.

Key Features

  • EN 1504-3 Class R4 – highest structural grade
  • Polypropylene fibre reinforcement – anti-cracking
  • Vertical/overhead application up to 50 mm/layer
  • Compressive strength exceeds parent concrete
  • Sulphate and chloride resistant
  • Pre-blended – site water addition only

Technical Specs

Technical Specifications

All values measured at 23°C unless noted. Full test data available in the datasheet.

PropertyValueUnit
FormPre-blended fibre-reinforced powder–
CompositionSulphate-resistant cement + PP fibres–
ColourGrey–
Mixing water14–16%
Pot life45–60min
Compressive strength (28d)≥ 60MPa
Flexural strength (28d)≥ 10MPa
Bond strength≥ 2.5MPa
Elastic modulus≥ 25GPa
Drying shrinkage≤ 400μm/m
Application thickness10–80mm/coat
Wet density2.20 ± 0.05g/cm³
Packaging25kg bag
StandardsEN 1504-3 R4 · ASTM C928–

Applications

Where this product is used

Six typical site applications where our crews specify this product.

🏗️

Column restoration

Section restoration of damaged load-bearing columns.

🌉

Beam soffit repair

Overhead beam soffit and slab underside repair.

🚧

Parapet rebuilding

Damaged parapet and edge beam reconstruction.

🏭

Industrial structures

Heavy-duty structural repair in industrial facilities.

🌊

Marine structures

Splash-zone column and pile cap repair.

⛓️

Post-tensioned elements

Repair around stressed cables and anchorages.

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