As an exterior cladding material, Portland cement plaster, or stucco, is a versatile material and used in traditional, modern, and contemporary designs. It can provide either an ornate or simple, clean look. But, as the old adage goes, “there are three things in life you can count on . . . .,” and one of them is that when stucco hydrates, it shrinks and hairline cracks form. Regardless of design style, if you design with stucco, you need to understand how it performs.
Whether you specify a traditional three-coat application or a one- or two-coat modified polymer system, understanding the basics of Portland cement plaster design and installation will ensure that you get the aesthetics and performance results right, including the building code requirements often found in reference standards and industry best practices.
Current subscribers, to understand more about the performance of Portland cement plaster, check out the latest update to AGS Online, “Taxes, Death, and Cracks in Stucco Walls.” (Log in required to view)
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