Who is this stupid person who keeps spamming the group ?
Please tell him that we don't want to read unscientific
environmentalist propaganda.
Vinita
On Sat, Feb 5, 2011 at 1:38 PM, Urvi Sukul Singh wrote:
And housing turns a full circle!RegardsUrvifb-rootHow to Build Dirt Cheap Houses
by Owen GeigerintroHow to Build Dirt Cheap Houses
Ever wonder how to build a simple home for very little money, without going into debt? The key is to use low-cost, locally available natural materials such earth, small diameter wood and straw to keep expenses to a minimum. The real fun is incorporating all of these methods into an optimum, comfortable, affordable home.
Our earthbag projects have confirmed what I've known for a long time – that building at $10/sq.ft. (materials only) or thereabouts is possible. Other aspects of earthbag building -- strength, durability, sustainability, etc. -- are all important. But perhaps the most important point is affordability, because building at $10/sq. ft. makes housing affordable to virtually everyone on the planet. The last page of this Instructable includes a list of $10/sq. ft. projects built by others.
A big reason for the growing popularity of earthbag building is its low cost. You can build shelters for under $1,000. For $1,000-$5,000 you could have a nice, small home that would outlast most conventional wood-framed houses, and be quieter, non-toxic and more comfortable.
Are you on an extremely tight budget? (Ha, who isn't nowadays.) Then I suggest building small using local natural materials, building in stages and adding on as you can afford it. For instance, build one roundhouse and live in it until you've saved enough to build another. You could join the roundhouses with arched or gabled covered walkways, vine covered pergolas, enclosed passageways or additions, or just leave them free standing. Extending rectilinear structures (adding one room at a time) would be even easier. Building a little at a time like this requires planning ahead for future doorways and other considerations, but it enables you to build debt free.
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step 1Potential Savings
The following list summarizes some of the potential savings from using natural building materials and alternative construction methods. If you're wondering why they're not more widely used, it's because contractors, banks, realtors and others in the housing industry make more profit from the current system. It's up to you to get informed and switch to a sustainable lifestyle.
1. Foundation: Insulated frost-protected foundations do not have to be as deep as standard foundations and therefore use fewer materials, require less excavation and backfill, less form work and less labor. Earthbag foundations – polypropylene bags filled with gravel, scoria or pumice on a rubble trench – make an excellent foundation. They also reduce long-term energy costs because they are very energy efficient. This type of foundation is well within the scope of most owner-builders. Potential savings: $2,000 (more in cold climates where foundations are typically very deep), and lower energy costs.
2. Earthen floor: Earthen floors last indefinitely and eliminate the need for other floor coverings. (Earthen floors in Taos Pueblo are over 600 years old.) They also provide thermal mass by absorbing heat from the sun and releasing it gradually at night, which reduces energy costs. Adding insulation under the floor can produce even greater energy savings. They are very comfortable to walk on. Pigments can be troweled onto the surface to create any number of designs. Some of the most beautiful resemble leather. Flooring products such as linoleum and synthetic carpet need to be replaced regularly and usually off-gas harmful fumes. Earthen floors are well within the reach of most do-it-yourselfers, although you might want to hire a couple of semi-skilled laborers to speed the process. Major savings come from not hiring a contractor and not building the floor with wood floor joists, beams, subflooring, and eliminating the need for finish flooring materials such as carpet. Potential savings: $4,000 (much more in many cases), and lower long-term replacement costs. Tamped Earth Floors
3. Radiant floor heating: Radiant heating uses hot water that flows through plastic tubing in the floor (for example, inside an earthen floor). Radiant heating is the most comfortable and efficient form of heating. The floor is always warm and comfortable and the air temperature is always uniform because hot air rises. Insulation under the slab (scoria, perlite, etc.) insures that most of the heat radiates up into the home. Forced air furnaces contribute to cold and allergy problems because they create dust and dry out the air. But radiant heat is clean, safe, and quiet. The savings here come from installing it yourself, which is very feasible. You may need assistance installing the mechanical systems, but most homeowners could easily install the tubing. Suppliers often design the system for free if you buy the parts from them. Potential savings: thousands of dollars over the life of the home in energy savings.
4. Strawbale or earthbag walls: The main benefit of straw-bale construction, in addition to the environmental aspects, is the energy efficiency of thick, super-insulated walls. Strawbale is especially practical in cold, dry climates, and is very fast and easy to learn. Earthbag is ideal for many regions, especially hot climates and areas subject to tornadoes, hurricanes and flooding. Both are well suited for seismic areas. Potential savings: lower cost for DIY versus hiring contractors, and thousands of dollars over the life of the home in energy savings. Straw-bale Construction , Earthbag Building
5. Small diameter wood: As a result of poor management, US forests are choked with small trees. Thinning this excess wood improves the health of forests, reduces risk of forest fires and provides a nearly unlimited source of wood for those who harvest it. These small trees can be used in the round (which is inherently stronger than milled lumber) for pole trusses, posts, beams, etc. They can also be turned into door and window bucks, studs, plates, rafters, cabinets and furniture using a portable sawmill or an inexpensive chainsaw guide. Potential savings: thousands of dollars, depending on how much you use instead of milled lumber.
Small Diameter Wood – An Underutilized Building Material
6. Earthen plaster: Using earthen plaster on walls has proven effective for many thousands of years. With wide roof overhangs of 36" or so, earthen plaster will hold up very well in most climates, requiring only minor maintenance. Earthen plaster is a favorite among DIY natural builders. People of all ages and skill levels can participate with almost no training. Potential savings: thousands of dollars, depending on what materials are eliminated.
7. Passive solar design: Solar energy is free from the sun, so it makes sense to maximize its potential. Proper siting of the house is necessary. Locate the longest axis of the house towards south (in the northern hemisphere). Install additional high-efficiency windows on the south side and use fewer windows on the east, west, and north walls. Balance this with other factors such as daylighting, ventilation, curb appeal, etc. Protect south facing windows with a properly sized roof overhang. You want to block the hot summer sun but allow the lower winter sun to shine into the home. The main benefits of passive solar energy are lower long-term energy costs and a brighter, more pleasant living space. Potential savings: thousands of dollars over the long term in energy savings.
8. Lower mortgage rate: It's best to build small, build in stages and pay with cash. But if you decide to get a mortgage, some lending institutions will charge a lower rate on homes with energy saving features that are rated by a recognized source such as Energy Rated Homes of Colorado (ERHC). ERHC is a state sponsored organization whose ratings are accepted by every bank and lender. Potential savings: $2,000, plus thousands of dollars over the life of the loan.
9. Metal roofing: Metal roofing is one of the most cost-effective, durable and practical roofing materials. It will last several times longer than asphalt shingles and is resistant to hail. It is probably the fastest and easiest roofing material to install. Because metal roofing is fire resistant, you may be able to get a discount on your home insurance. There is less chance of leaks and water damage in comparison to asphalt shingles. It is also a good choice environmentally. Metal roofing contains recycled steel and can be recycled again in the future. Additional savings can come from using white or light-colored roofs to reflect heat in hot climates. A properly designed and well insulated home often will not need a cooler or air conditioning system. The estimated savings here assume you will install your own metal roofing, but would have hired a contractor to install the heavier asphalt shingles. Potential savings: $3,000 initially, plus long term energy savings and lower maintenance costs.
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Installing Additional Electrical Boxes http://earthbagbuilding.wordpress.com/2010/07/17/installing-additional-electrical-boxes/Feb 4, 2011. 6:10 PMtuckersaspy says:ah that makes sense, thanks :)
right now im just in the planning stage but i read all your instructables and think earthbags is definitely the way to goIs a fireplace built in a good idea with earthbag construction?Feb 3, 2011. 4:37 PMOwen Geiger (author) says:Wood stoves are far more efficient. Install as usual.While I appreciate the efficiency, I was hoping to add a fireplace for beauty and enjoyment, not necessarily to heat this house. Are there any safety precautions needed? I noticed that the utah ranger station featured on your site looked like it had a fireplace built in. Is this the case?
ThanksFeb 4, 2011. 5:44 AMOwen Geiger (author) says:Use standard building practice. There's nothing special.
Not sure what they did on the ranger station.Feb 3, 2011. 10:12 AMmrguy19187 says:Do you know the building technique for the brown and white rounded dome? Is it earthbags or something else?Feb 3, 2011. 4:20 PMOwen Geiger (author) says:The Eco Truly Domes are adobe. Probably stabilized adobe.Feb 2, 2011. 8:29 PMvolund says:I have been loving your recent instructables, tons of awesome info and ideas, really inspiring. Keep up the great workFeb 2, 2011. 4:07 PMOwen Geiger (author) says:It's really fun looking for homes like this on the Internet. I've been using Google Images a lot. Use various search words like earthbag, adobe, the name of a country, etc. and you can turn up thousands of similar images.
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