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Pozzolanic microplaster designed for use as filter against humidity and salts in renovation works of walls affected by rising and residual dampness. Rain Salpetre is a premixed compound made of special binders, selected quartz sands and additives. It is applied prior to the application of transpiring plasters Rain Bio Sano onto old stone or brick masonries.
Rain Salpetre is prepared by mixing one 25 kg sack with 6 litres of clean water to obtain a homogeneous mortar of slurry consistency that can be applied by means of a natural fiber flat brush on pre-wetted walls from which the old plaster has been previously removed.
Average consumption rate
2,5 - 3 kg/m2
Packaging and colour
25 kg sacks; grey in colour
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