webercem HB40

webercem HB40

A single-component, polymer-modified, high-build cementitious mortar, designed for structural concrete repairs. It requires only the addition of clean water to produce a lightweight, low-permeability, high-strength mortar for both soffit and vertical repair situations. The mortar is suitable for repairs to bridges and other structures as specified by the Department of Transport.

This product has been formulated to comply with the requirements of BS EN 1504-3 as an R3 mortar.


  • 20kg

About this product

webercem HB40 is used for structural concrete repairs, particularly where overhead build is required. Suitable for repairs to bridge and highway structures, as well as car park soffits, bridge decks and columns.

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Features and benefits

  • Lightweight, low-density structural repair mortar which allows speedier completion of work
  • High-build properties — up to 75mm vertically and 50 mm in a soffit repair, without formwork
  • Unique shrinkage compensation system provides long-term dimensional stability
  • Contains fibres and spray dried acrylic polymer
  • Low permeability to water, carbon dioxide and chlorides
  • Easy to apply, with excellent application properties
  • This product has been formulated to comply with the requirements of BS EN 1504-3 as an R3 mortar
  • Complies with Department of Transport Departmental Standard BD 27/86

Things to consider

  • Do not apply if frost is forecast within 24 hours of use
  • Do not apply in temperatures below 5°C or above 30°C
  • When stored unopened in a dry place at temperatures above 5°C, shelf life is 12 months from date of manufacture
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Technical & Safety Data Sheets and Certification

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