webercem mortar CP

webercem mortar

Pre-batched, single-component mortar needing only mixing with water to produce a render with low resistivity, suitable for patch repairs on concrete structures where cathodic protection systems are to be used.

Conforms to BS EN 1504-3 as a Class R4 repair product.

Packaging

  • 25kg

About this product

  • Levelling rough surfaces of concrete
  • Rendering and building up thicknesses over low cover to steel reinforcement
  • Patch repairs to concrete bridge abutments, parapets, beams and crossheads
  • Filling-in of core holes, small voids and shutter tie holes
  • For tunnels, car parks, bridges, and marine structures such as jetties where cathodic protection is to be used as a preventative treatment
  • For vertical and horizontal surfaces
  • Suitable for external and internal surfaces

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Features and benefits

  • Good bond to concrete - damp or wet
  • Durable - does not crack or craze when applied and properly cured
  • Easy to use - can be mixed by hand or mechanically
  • Easy to apply - can be applied easily with a spray pump or by trowel without slumping
  • Easy to finish - good smooth finish obtainable with a float or sponge. Provides a cohesive and level surface suitable for overcoating. 
  • Complies with Highways Agency ClassM mortar specification - contains more than 400 kg/m3 of ordinary Portland cement to BS 12, the maximum size of aggregate does not exceed 2 mm, the total chloride ion content is less than 0·1% of cement, the resistivity at 28 days saturation is between 5 kΩcm and 15 kΩcm.

Things to consider

  • Limited to 10 mm thickness per layer for rendering
  • Do not use where there is a large variation in thickness
  • Do not use where the substrates are subject to movement or are cracked
  • Do not use on heavily trafficked floors
  • 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 6 months from date of manufacture

Technical & Safety Data Sheets and Certification

This product can be used as part of these projects

Click Compare to help you choose the right product for your project, if you need further assistance please email technical@netweber.co.uk

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