webercem mortar CP

Packaging

25kg

R4 mortar for cathodic protection and encapsulation of sacrificial anodes.

Suitable for:

Wall

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About this product

webercem mortar CP is a pre-batched, single-component mortar needing only mixing with water to produce a mortar 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.

Uses:

Encapsulation of sacrificial anodes
Levelling rough surfaces of concrete
Overlaying 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

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.
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 10mm thickness per layer
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