Lime Plastering

Lime plastering is a traditional technique, composed of hydrated lime, sand, water, and sometimes finely chopped straw or hair for reinforcement.   The ratio of material is 3 parts mason sand to 1 part lime and water to taste.  Unlike earthen plasters lime is caustic so a trowel is the only way to apply the…

Shelter Series: Earth Base Plaster

Once the insulation dried, the wall were ready for the base plaster. The ratio of clay, sand, and chopped straw is 1:3:1 respectively. Water to taste. Remember,to test your soil first to figure how much clay or sand to add to it. At Aprovecho we have been working with an almost pure red clay and…

Slaking Lime for Plastering

Lime has been used for thousands of years in building construction, such as plasters, mortar, paints or washes.  It is breathable, carbon neutral, and naturally mold resistant.  The process involves mixing bagged lime, which is made of limestone that was burned in a kiln and water. Carbon dioxide from the air causes lime putty to harden, so it…

Natural Painting and Sculptures

Natural Painting is eco-friendly, non-toxic, and simple.  I began to wonder why there were other methods of painting that involved chemicals to being with.  Why do we buy canned paint from Lowes or Home Depot and fill our room with toxins that will continously be released into the air over the course of our lives.  It…