Rinzaffo MGN Roman waterproofing lime plaster application tutorial

The RINZAFFO MGN System has been developed in 1980 in Venice as a specialized solution to the problem of capillary rising damp and salts in old masonry, however its origins stretch back to ancient Roman times. RINZAFFO MGN is a natural hydraulic lime mortar with high bonding power to wet surfaces. It guarantees a strong bond even on most difficult surfaces, consolidating the friable and degraded masonry. Its unique pore structure retains the salts inside the masonry while allows the passage of vapour to the subsequent macro-porous evaporation layer. The RINZAFFO MGN system, due to its unique pore structure, prevents the crystallization of salts inside its pore structure. By regulating the evaporation of humidity it keeps salts residing inside the capillaries in a dissolved state thus preventing rapid salts crystallization resulting in the detachment of plaster from the walls and the deterioration of masonry. As a result the surface of the plaster stays dry and healthy, and the appearance of the interior remains aesthetically pleasing. This tutorial explains how to apply this plaster correctly, which is crucial in heavily salted environments.

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