Learn what's possible with the art and science of preserving our architectural past
The basic idea behind determining the void space in a sand is to determine the ratio of lime needed to adequately bind the sand without pushing the sand grains apart. In other words, how to make the strongest possible mortar by optimizing the lime portion.
Sand is not sand is not sand. Often when people are having stucco or plaster application problems (although the same can happen with bricklaying mortar), it turns out the aggregate is to blame. In short, it is not as simple as accepting whatever is at the local masonry supply house. Nor for that matter if… Continue reading What you need to learn from a mortar analysis about aggregates and ratios
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