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WOFATI structures are characterized by a thoughtful design that prioritizes passive systems and natural, locally sourced materials. The "two-skin" system, composed of a double layer of polyethylene membrane, encapsulates the earthen roof, providing a durable and waterproof barrier. The lower layer hugs the structure, while the upper layer defines the thermal mass surrounding it, with at least eight inches of dirt between the layers and sixteen inches on top. WOFATI designs emphasize a harmonious integration with the surrounding woodland, incorporating the "soil on wood" building technique. This method eliminates the need for a conventional concrete foundation, making construction faster and more affordable. A distinctive feature of WOFATI houses is the large gable roof on the downhill side, often incorporating glazing to allow light penetration, while at least 35% of the uphill wall features windows for optimal passive solar gain. This strategic placement and sizing of windows is crucial for maximizing natural light and regulating internal temperature, contributing to the effectiveness of Annualized Thermal Inertia.
The willow feeder system is a permaculture solution for managing human waste, developed by Paul Wheaton, that prioritizes safety, sustainability, and nutrient cycling. It is designed to be a "freaky-cheap" alternative to conventional septic systems and sewage treatment plants, utilizing readily available materials like garbage cans and sawdust. The system focuses on mummifying human waste in a dry environment within sealed garbage cans to prevent composting and the escape of pathogens. This dry environment also stops the loss of valuable carbon and nitrogen to the atmosphere, which is a common issue with hot composting. After two years of aging in the sealed cans, the resulting "willow candy" is pathogen-free and can be safely applied as fertilizer. While this nutrient-rich material could be used on any garden, it is best suited for "poop beasts" like willow, cottonwood, poplar, and bamboo, which can readily absorb the high nutrient content without harm. This system promotes a closed-loop approach, turning what is often considered waste into a valuable resource for growing beneficial plants.
The construction of a berm shed, a sustainable and aesthetically pleasing storage solution, involves a unique process that utilizes natural building techniques and earth-sheltering principles. First, the building site is prepared using earthworks, shaping the surrounding land to create a berm, which is a raised bank of soil that will eventually cover a portion of the shed's sloping roof. Round wood timber framing is a common technique employed in berm shed construction, utilizing logs sourced from the property instead of commercially produced dimensional lumber. These logs are carefully selected and placed to form the structural framework of the shed, including the walls and roof supports. Once the timber frame is erected, a moisture barrier, such as billboard material or layers of poly sheeting and newspaper, is installed over the logs to protect them from the elements. Finally, soil is carefully layered on top of the moisture barrier, creating the berm and providing insulation, thermal mass, and a natural aesthetic. The construction process prioritizes using natural, locally sourced materials and minimizing the use of energy-intensive and potentially toxic commercial products, aligning with permaculture principles of sustainability and self-sufficiency.
"Pooless," a term popularized in the permaculture community, refers to the practice of forgoing commercial shampoos, conditioners, and soaps in favor of natural alternatives or simply water. Advocates for this approach cite numerous benefits, including reduced exposure to harsh chemicals, improved hair and scalp health, and decreased environmental impact. The transition to "poolessness" often involves an adjustment period, as the scalp rebalances its natural oil production (sebum). Common methods include rinsing with baking soda and apple cider vinegar solutions, brushing to distribute natural oils, and using a flea comb and soapy water for cleaning. While some individuals experience challenges like dandruff, waxiness, or static electricity, many report positive outcomes, including reduced scalp issues, increased hair thickness and body, and even the disappearance of chronic migraines. "Poolessness" aligns with permaculture principles by reducing reliance on commercial products, minimizing chemical usage, and promoting a more natural and sustainable approach to personal care.