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Dry outhouses, frequently discussed in permaculture, provide a sustainable sanitation solution that prioritizes resource conservation and waste reduction, but their usability and effectiveness rely on careful design and management. While simple in concept, dry outhouses require specific considerations to optimize user experience and ensure proper waste handling. Strategic placement on elevated ground promotes natural drainage and helps maintain a dry pit, essential for reducing odors and pathogen survival. However, achieving a truly "no pee" environment, while ideal for minimizing volume and toxicity, can be challenging, especially for women. Urine diversion mechanisms are crucial for separating urine, a valuable fertilizer, and facilitating a drier composting process for the solid waste. The addition of sawdust further aids in odor control and composting, while proper ventilation, often achieved through a "breather pipe" in a willow feeder system, ensures aerobic decomposition and minimizes smells. User comfort can be enhanced with features like comfortable seating, adequate lighting, and clear instructions on proper usage, including sawdust application and urine diversion practices. Effectiveness in terms of long-term sustainability hinges on proper waste management. The "mummified" waste, or poop-jerky, after two years of aging, is ideally applied to "poop beast" trees like willows, poplars, or cottonwoods, completing the nutrient cycle. By addressing usability and effectiveness through thoughtful design and management, dry outhouses can become a viable and environmentally sound sanitation solution, embodying the principles of permaculture.
The berm shed, a hallmark of permaculture design, is an eco-friendly, earth-sheltered structure renowned for its unique construction techniques. Earthworks are fundamental to its creation, as the surrounding landscape is carefully shaped to form the berm that will encase a portion of the shed's sloping roof. This berm serves a dual purpose, acting as both a natural insulator and a source of thermal mass, effectively regulating the internal temperature. The structural framework of the berm shed is often built using round wood timber framing, a technique that prioritizes using logs instead of conventional dimensional lumber, further enhancing its sustainable appeal. However, the longevity of these logs, especially when in contact with soil, is a crucial consideration. The sources recommend peeling the bark from posts before burying them, a technique born from experience and aimed at minimizing the risk of rot. Another technique for ensuring the durability of the structure involves incorporating gravel into the post holes. The gravel facilitates drainage, preventing water from pooling around the base of the posts and contributing to premature decay. These carefully considered details, combined with the innovative "attic" cell design at the termination ends of the shed, as described in source, showcase a commitment to sustainable building practices that go beyond mere functionality, exemplifying the core principles of permaculture.
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.
"Pooless," a popular term within the permaculture community, advocates for ditching conventional shampoos and soaps, opting for natural alternatives or simply water. This approach aligns with permaculture's ethos of reducing reliance on commercial products and minimizing chemical usage. Proponents cite benefits like reduced chemical exposure and improved hair health. The transition to "poolessness" involves a "detox" phase as the scalp rebalances its natural oil production (sebum). Popular methods include baking soda and apple cider vinegar rinses, brushing to distribute natural oils, and even using a flea comb and soapy water. While some experience temporary issues like dandruff, waxiness, or static, many report positive outcomes, like reduced scalp problems, thicker hair, and even migraine relief. "Poolessness" extends beyond hair care, encompassing a holistic approach to personal hygiene, often accompanied by a reevaluation of showering frequency. This minimalist approach to personal care resonates with permaculture's emphasis on simplicity, self-sufficiency, and minimizing environmental impact.