or gueâ¢rilâ¢la. a member of a band of irregular soldiers engaged in guerrilla warfare. guerra war 1)]. , gorilla-Guerrilla is from a Spanish diminutive of guerra, war, and refers to a soldier of an independent armed resistance force; gorilla is the ape.
Efflorescence is a crystalline deposit of water-soluble salts left on the surface of masonry and concrete as the water evaporates. Efflorescence is a partner of Sweating Slab Syndrome. This article is intended to address only efflorescence in concrete floors and more specifically, secondary efflorescence.
Like mortar, concrete is a mixture of sand, cement, and water, but it also contains rock chippings or gravel which makes it much stronger and more durable than mortar. Because it needs a low water to cement ratio, it is much thinner when mixed, making it difficult to use as a bonding element.