Roofed Domes

Earthen domes evolved in deserts. Due in part to the beautiful and interesting shape, people started building earthen domes in rainier climates. But domes are more vulnerable to moisture damage than roofed structures. Without a roof, domes are exposed to the rain and snow. Plaster will eventually crack and when it does moisture can cause … Read more

ECHO Asia’s Earthbag Seed Bank

This small structure is the ECHO Asia Seed Bank’s earthbag house that is nearing completion.  ECHO promotes community-based seed sharing and saving. It is also part of their mission to recommend appropriate ways for communities and organizations in the developing world to better store seeds. James (ECHO Asia intern) and Lue (Assistant Seed Bank Director) … Read more

The Easy Way to Make Ferrocement Roof Panels

I just found this great technique for making ferrocement roofs at Steve’s Flying Concrete site. Steve explains how to make roof panels on the ground so you don’t have to plaster overhead. This eliminates the most difficult and awkward step of making ferrocement roofs. The panels can be hoisted in place by crane or with … Read more

Loft or Attic Trusses

We have previously discussed a number of low cost, do-it-yourself trusses and roof systems. Use the search engine above with keywords such as ‘truss’ or ‘roof’ to find older blog posts. Today’s post is about a special type of truss called loft trusses. Also called attic trusses, room-in-attic trusses and attic storage trusses, they create … Read more

The Sustainable Urban Dwelling Unit: Timbrel Vaults

Timbrel vaults offer another low cost, sustainable roof building method. This method is suitable for do-it-yourself owner builders if you do the research. Suggestions include: use a simple design with a reinforced concrete bond beam and modest spans. Look into using low-fired, lightweight brick like the type used in Mexico and SE Asia. “The ‘Sustainable … Read more

Basic Earthbag Building DVD Finally Available!

I am pleased to announce that Owen Geiger’s Basic Earthbag Building DVD is finally available for purchase. It has taken more time than expected to complete the production, but it is well worth the wait I think. Owen is a natural teacher who understands how to present information in a clear and understandable way and … Read more