Alternatives to Conventional Roofs: Domes and Vaults

From time to time we answer reader’s questions. Q: Why aren’t people making roofs from earth using domes or Nubian vaults? In impoverished areas the cost of a tin roof is sometimes a year’s salary. A: Domes and vaults evolved in extremely dry areas of the Middle East, where wood was scarce and lack of … Read more

Sweet Spot

Specifications: 792 sq. ft. interior, 3 bedroom, 1 bath, Footprint: 25′ x 39′ Description: Sweet Spot is an attractive and very efficient three bedroom home. Two roof options are available: 1. clerestory roof (shown); 2. gable roof with optional porch roof. I’m posting upgraded plans (finished computer renderings) as they become available over at my … Read more

Using 2x4s Versus Wide Lumber

We’re using 2x4s instead of wide lumber whenever possible to save old growth trees and money. Smaller dimension lumber can be obtained from smaller trees, and so it’s more sustainable. For our rough window and door frames, also called ‘bucks’, we put two 2×4 frames side-by-side. The window hides the joint between frames. In fact, … Read more

Enviro Dome Fly-through

Take a fly-through tour of the Enviro Dome, one of my most popular earthbag plans. Please note, not every detail is shown. The loft vegas (wood poles) and wood stove, for instance, have been omitted for simplicity. But you still good a good sense of what the home looks like. Anyway, I hope you enjoy … Read more

Part 1: Earthen Plaster Summary

Here’s an overview of how we plastered the interior of our roundhouse with earthen plaster. After reviewing the various recipes and techniques, we decided to keep things as simple as possible. No doubt some of the extra plaster additives like manure and wheat paste can be helpful, but we wanted to see the results of … Read more

Roundhouse Update: Light Fixtures

We just finished installing light fixtures in our earthbag roundhouse. This step has taken a lot longer than anticipated. The porch light by the front door was easy to find since it is conventional looking. But we wanted something special inside for our three wall sconces because they’re more prominent. Two sconces, one on each … Read more