Vapor Barriers

vapor-barrier-earthship

In most climates, vapor barriers, or, more accurately, vapor diffusion retarders, should be part of a moisture control strategy for a home. A vapor barrier or vapor diffusion retarder is a material that reduces the rate at which water vapor can move through a material. The older term “vapor barrier” is still used even though … Read more

Cooling Tubes

earthship-cooling-tubes

Electricity free cooling based on ancient, global principles. These in-ground PVC cooling tubes are also known as air tubes, earth air tubes, a ground-coupled heat exchanger, an earth-air heat exchanger, thermal labyrinth, heat recovery ventilation, geothermal energy tubes, sustainability tubes, or a number of other terms. Cooling tubes are an efficient way to cool a … Read more

Tire Retaining Walls

tire-retaining-walls

The same method for building structural walls in buildings can be applied when building retaining walls made with rammed earth encased in steel-belted rubber. Depending on the load the retaining wall is retaining, the batter and other adjustments should be considered. Some tire retaining walls have been built up to 25 ft. high.  Tires make an inexpensive solution that requires … Read more