webercem R4 duo NEW

webercem R4 duo


  • 20kg

Lightweight, high build mortar for overhead and vertical repairs. Excellent levelling properties when used as a fairing coat.

Complies with BS-EN 1504-3 as an R4 repair mortar or R3 fairing coat. 

Suitable for:


webercem R4 duo is 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 low permeability, high strength mortar for both soffit and vertical repair situations as well as levelling solutions.

This product has been formulated to comply with the requirements of BS EN 1504-3 as an R4 mortar. Can also be used as a fairing coat tested to BS EN 1504-3, when appropriately prepared.

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