Natural Plasters and Finishes Class
This course will teach you how to create and apply beautiful hand finished plasters and paints on many wall surfaces. People around the world have been using clay, gypsum, and lime as plasters and paints for millenia, and these materials have shown a timeless aesthetic and utility. The course will cover at a basic level three principle plaster and paint mediums: clay, lime, and gypsum, and finish with plaster coats, paints, and washes of clay, lime, casein, wheat paste, mica, pigments, and other natural ingredients. Students will leave this course with practical experience mixing and applying a wide variety of finishes on various wall systems, from rough straw bale to finished gypsum wall board. Emphasis will be given on learning the working properties of the materials and developing critical thinking skills to apply the knowledge in real-world situations, rather than on specific recipes for specific conditions. All Levels.

Web: www.yestermorrow.org

Indoor Air Quality Class
Indoor Air Quality and Known Environmental Issues & What You Should Know for Sustainability!

A brief review of Indoor Air Quality (IAQ) concerns pertaining to indoor health including Carbon Dioxide, Carbon Monoxide, Particulates (such as dust mites, dander, pollen), VOCs, effects of temperature and humidity, mold, and Radon. Coupling IAQ information with a brief review of the outdoor environment; specifically vapor intrusion. Methods to mitigate IAQ and outdoor concerns in a residential environment while maintaining energy efficiency.

Web: www.greenbuildinginstitute.org