A 25kg bag will yield approx 14 litres of mortar sufficient to repoint 3-5m2. A 12kg tub will yield approx 6 litres of mortar sufficient to repoint 1.5-2m2. Mixing can take place in a tub or mixer. Use between 4-5 litres of clean water per 25kg or approx 2 litres per 12kg Tub.
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