Straw/clay Roof Insulation

Roofs present a number of challenges, including how to provide adequate, affordable insulation so the home remains comfortable. Straw/clay, also called straw slip clay is one low tech, low cost solution. The basic process involves making thin slurry of clay and water and then mixing this with straw. The following information is quoted from An … Read more

Inspiration Green: Earthbag Construction Image Gallery

Earthbag Homes – you’re standing on the building materials… Kelly Hart found this new site using his Google keyword alert system that helps us locate new developments. Image galleries are always popular. Enjoy. Inspiration Green: Earthbag Construction

Health Clinic in Chiapas, Mexico

This is Cato from Chiapas, Mexico. Thank you for your effort. You guys are right. For a few months, I did a lot of internet research, and decided that all that was really needed was an opportunity to get dirty. Since a couple of months, I am leading a crew of four workers in a … Read more

Hyper-wattle Wall Test

Patti Stouter just tested her hyper-wattle wall system that’s she’s building at her home in New York. She’s published the results on her Hyper-wattle proposal at the $300 House design competition. She’s been in the top three consistently and there’s a very good chance she’ll win first place. I believe her project is the best … Read more

Pumice-lime / Scoria-lime

There’s a wide variety of fill material that can go in earthbags – road base, subsoil, gravel, crusher fines, etc. Use what’s low cost and locally available. But also consider durability and climate. Do you live in a very cold climate? Then consider using insulating materials in the bags. Do you live where flooding is … Read more

Bill McNulty’s 2nd Patent

Previous posts have introduced Bill McNulty’s cast stone method. This post is about his second patent — a second process that explains how to make other types of cast stone with sodium carbonate. Abstract: Inorganic cementitious material A method of producing a new type of cement, hereafter called Conch-krete. Conch-krete is created by adding sodium … Read more