FP McCann General Purpose Mortar is a factory produced mortar consisting of blended sand, Portland cement and special additives that conforms to BS EN 998-2 and meets the requirements of a designation III strength category (M4) mortar. Features Available in 20kg bags Produced in a factory controlled environment, ensuring a consistent and high-level quality Quick and convenient to use – just add water All material required is contained within this bag – adding additional material is not recommended Typical Application General repairs & maintenance Brick & block laying Pointing & patching