Why the fuss? It is a matter of chemistry. Mortar is a gooey mix of water, lime, cement and sand. The recipe has changed significantly since the 19th century as masons adopted a harder type of mortar.

The project will test various lime mortar mixes for their strength, how they handle moistures and by how much they resist deterioration. The findings will be made available to the building and ...

Strong lime mortar mixes can mature to be very hard – a fact that confuses some modern builders, who have fallen for the myth that lime is inferior to cement. Because of the prevalence of this ...

The lime was used as fertilizer on farm fields, for construction mortar or in making paint, said Sue Farina, a history buff who lives in Upper Milford Township near the Sigmund kilns. Several ...

The project will test various lime mortar mixes for their strength, how they handle moistures and by how much they resist deterioration. The findings will be made available to the building and ...