Efflorescence derives from a French word that means “to flower out” (or so I’ve read). “Flowering out” is a good description because efflorescence is a crystal structure that appears and grows on the surface of concrete, brick, stucco, or natural stone… Read More
Archives by Month: April 2018
Uniformly Spaced Spots of Granule Loss on Shingles
There are a number of causes of spots of granule loss on shingles. In this article we look at a manufacturing defect. Note the relatively uniform spacing of the spots of granule loss in Figure 1. Note also the consistency… Read More