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Technical

SMA Silica Compliance Program

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Click here for a list of contractors currently registered in the SMA’s Silica Compliance Program OSHA will begin enforcement of the new respirable silica exposure standard on September 23, 2017. The construction industry will be a focus for the OSHA inspectors. OSHA fines can start at $12,000 and escalate quickly. Employers found to be willfully negligent could be turned over to the District Attorney’s office for prosecution. The Stucco Manufacturers Association (SMA) has put a program together to help plastering contractors comply with the new standard. This SMA Silica Compliance Program will evolve with time, but has the minimums that a contractor will need to be in compliance. The SMA believes joining the SMA Silica Compliance Program is the most cost effective…

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Efflorescence in Stucco

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White stains on cement-based stucco/plaster walls is a common occurrence.  These white stains are called efflorescence.  This article will discuss what efflorescence is, what causes efflorescence, and some possible methods to reduce its appearance. 1. What is efflorescence? In the plastering industry, the word “efflorescence” refers to the crystalline deposit, usually white, that may develop on the surface of portland cement plaster walls. Efflorescence is the end result of water dissolving the salts that are naturally present within cement-based products. This salt solution migrates to the finished surface and a salt deposit remains after the water evaporates. Efflorescence often occurs during periods of wet, cold weather and can occur on the surface of any cement-based product such as masonry, concrete,…

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