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Sharing some of the best resources for ecological design and sustainable living by people helping to make the world a better place.

Check Out the Newest Items!

Earthen Walls™ Make Your Own Clay Plaster Kit

Using Natural Finishes

Building Codes for a Small Planet

GreenWeaver Hats

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Plaster Kit

Books and downloads


Straw Bale Moisture Sensor Systems

GreenWeaver Gear


Plaster Kit


Earthen Walls™ Make Your Own Clay Plaster Kit by GreenWeaver

Everything you need to make your own clay plaster samples and discover the beauty and warmth of these natural wall finishes. Designed for those who are totally new to clay plaster, as well as for professionals interested in expanding their offerings.

Clay plaster brings an inviting richness and texture to new or existing wall surfaces. For homeowners and professionals, this cost effective solution to achieving healthy surroundings is also durable and ecological. These beautiful finishes can improve the performance of homes, schools and workplaces. They are non-toxic and are proven to naturally mitigate humidity and temperature extremes.

The kit includes 4 sample boards and plenty of material to make at least 4 sample finishes (samples may be plastered over, just like walls.) Also includes access to online recipe calculators and resources to order materials for your projects. Step by step instructions help you master the basics – then let your creativity soar!

With kit purchase, you get access to:

Frequently Asked Questions
Downloadable Plaster Journal
Online Recipe Calculators
Sources for tools and materials

Hand Sculpted House $40


Books and Downloads

The Beauty of Straw Bale Homes

The Beauty of Straw Bale Homes “celebrates in gorgeous color photography the accomplishments of straw bale artisans. Selecting from a variety of building types and applications, they vividly portray the sensuous versatility and cross-cultural appeal of this most accessible form of construction.”

From The Beauty of Straw Bale Homes
“ …We have discovered in our own work that using natural and local materials encourages a very different way of building. Those materials often have an inherent beauty that stands out without the need for complex forms and shapes. Lacking uniformity, rigidity, and angularity, they naturally lend themselves to soft, organic curves. They resonate with the textures and colors of their natural context, reminding us that the building belongs where it is placed. … The walls surrounding us day in and day out need to embrace us, our dreams and passions woven into their very fabric. They need to sing the story of who we are. Otherwise our houses will never become our homes. And it is in the depths of this magical transformation where genuine beauty lies.”

Hand Sculpted House Authors: Athena Swentzell Steen and Bill Steen, published by Chelsea Green. 2001. 8.6x7.7in., 117 pages. ISBN 1-890132-77-2. $24.95


Beauty of Straw Bale Homes Cover

Design of Straw Bale Buildings:
The State of the Art

The first technical manual on straw bale building for architects, engineers, code officials, contractors and owners who are serious about designing and building with the latest knowledge. Written by Bruce King, a structural engineer and founder of the Ecological Building Network and author of Buildings of Earth and Straw: Structural Design for Rammed Earth and Straw Bale Architecture and Making Better Concrete: Guidelines to Using Fly Ash for Higher Quality, Eco-Friendly Structures. Contributing authors include experts in building science, moisture, acoustics and more. Includes discussion of testing results in structure, fire, insulation with a complete chapter on codes and standards.

“This authoritative source of information on the technology of straw bale building is long overdue, and raises both the art and science of low impact building to a new level.”
—Tom Wooley, Professor of Architecture, Queen’s University, Belfast, Author of Natural Building and The Green Building Handbook

“Design of Straw Bale Buildings provides comprehensive, state-of-the-art guidance, including structural performance, moisture control, fire resistance and durability. It is a must-read book for anyone considering designing, building, assessing, or simply living in a straw bale building. Yet another excellent publication by Bruce King and Green Building Press.”
—Prof. Peter Walker, Director BRE Centre in Innovative Construction Materials, University of Bath UK.

Hand Sculpted House Author: Bruce King, published by Chelsea Green. 2006. 10.6x8.2in., 296 pages. ISBN 0-976491-11-7. $40

Design of Straw Bale Buildings Cover

Natural Remodeling for the Not So Green Home

*Selected as a finalist for the 2007 Nautilus Book Award*

From “Natural Remodeling for the Not-So-Green House”:
“Give your home a resource-conserving, community-building, eco-friendly remodel. You don’t have to build from scratch to live in a house that’s good for you and the earth. The unique guide teaches the basics of ecological renovation, planning your project, choosing materials, and making your home more energy-efficient. It presents simple ideas you can do right away to more advanced moves you can make after careful planning. You’ll have the tools you need to create a beautiful green haven that’s uniquely your own.”

"I have waited a long time for a book like this. It is packed with really good examples, and I love those numerous drawings and diagrams. The contributions by so many people give the book such diversity and depth. Architects should show this book to their clients in advance of any renovation project."
—John Reynolds, Professor Emeritus
Department of Architecture, University of Oregon

"I've been working as the City of Portland's green building specialist for the past six years. In my work I talk to many homeowners, designers and contractors about green home remodeling. Almost all would like a resource that explains sustainable or green building clearly and provides useful guidance for making choices. From now on, this will be one of the books I recommend to them. The authors have succeeded in making a complex topic interesting and enjoyable to learn about. Whatever your goals, lifestyle or budget, you will find helpful ideas to achieve your green remodel."
—Mike O’Brien, Green Building Specialist
Portland Office of Sustainable Development

Hand Sculpted House Authors: Kelly Lerner and Carol Venolia, published by Lark Books. 2006. 9.8x8.3in., 280 pages. ISBN 1-579906-54-0. $24.95

Natural Remodeling for the Not So Green Home Cover

Using Natural Finishes
A Step-by-Step Guide

With this in-depth guide to using natural finishes you'll discover alternatives to making your environment healthier and more eco-friendly. Using Natural Finishes guides you to exploring the benefits of using natural renders and paints with stunningly photographed step-by-step instructions. Examples of techniques from around the globe take you through all aspects of the project and guide you to selecting the right materials for your best results. Detailed, easy to follow, illustrations demonstrate the practical elements of working with clay-based and lime finishes. These natural breathable plasters and paints are applicable to a variety of wall surfaces, including traditional and eco-building materials such as strawbale, stone and cob, as well as modern concrete and drywall, resulting in a beautiful finish that is natural and more biophilic.

add2cart Authors: Adam Weissman and Katy Bryce. Published by Green Books, 2008. 9.9x8in, 264 pages. ISBN 1900322161. $40.

The Hand-Sculpted House
A Practical and Philosophical Guide to Building a Cob Cottage

A cob cottage is the ultimate expression of ecological design. Made of the oldest, most available materials imaginable, cob houses are not only compatible with their surroundings, the are their surroundings. This beautiful book will guide you through all stages of planning and building your cob home.

Hand Sculpted House Authors: Ianto Evans, Michael G. Smith, Linda Smiley, published by Chelsea Green. 2002. 8.5x11, 346 pages, 230 figures, 100 photos. ISBN 1-890132-34-9. $35.00


Hand Sculpted House Cover

The New Create an Oasis with Greywater
Choosing, Building, and Using Greywater Systems

Create an Oasis with Greywater describes how to choose, build, and use twenty different types of greywater systems. It thoroughly covers all greywater basics, and will benefit everyone who is using or contemplating the use of greywater. This 5th edition of the world’s best-selling greywater book includes 50 pages of new text, photos, and figures, as well as the entire text of our Branched Drain Greywater Systems book.

“Greywater for dummies and greywater encyclopedia in one  information goldmine.”
—Dan Chiras, author,  The New Ecological Home; The Solar House

add2cart Author: Art Ludwig. published by Oasis Design, 2006. 8.5x11, 145 pages, 53 figures, 130 photos. ISBN 0964343398. $20.95.


New Create an Oasis with Greywater Cover

Principles of Ecological Design
Integrating Technology, Economics and Ecology

Principles of Ecological Design gives insight, inspiration and guidance for a radical redesign of our way of life. It illuminates a way to disengage from corporate consumer culture, and create a more fulfilling lifestyle. These principles are fundamental to any green building or ecological living initiative.

"A powerful primer from a designer whose been living what he writes about—twenty five years of putting theory into practice. A voyage of discovery and live wisdom."
—Sim Van der Ryn, author Ecological Design

"The best written, most concise, eloquent instruction manual for lifestyle transformation. If you're uneasy about your effect on the planet yet don't know what to do, here is your guidebook."
—Ianto Evan, co-author, The Hand-Sculpted House, Cob Cottage Company co-founder

Author: Art Ludwig, published by Oasis Design. 2003. 8.5x11, 18 pages, 30 figures & photos, all in color, 2.3 mb download. $6.95.

add2cart $6.95 Black & white booklet
$4.95 Color download

Princples of Ecological Design Cover

Water Storage
Tanks, Cisterns, Aquifers, and Ponds
For Domestic Supply, Fire and Emergency Use
Includes How to Make Ferrocement Water Tanks

*The best selling plumbing book on Amazon*

A do-it-yourself guide to designing, building, and maintaining water tanks, cisterns and ponds, and managing groundwater storage. It will help you with your independent water system, fire protection, and disaster preparedness, at low cost and using principles of ecological design. Includes how to make ferrocment water tanks.

"Storage that's low cost, low maintenance, high reliability, and high quality...the keys are right here in your hands. If you run a water system, for a weekend shack or a whole community, you need this book!"
—Doug Pratt, Real Goods Technical Editor

"On the average water system, this book will pay for itself a hundred times over in errors avoided and maintenance savings. Not another stuffy engineering manual—a very good book that anyone can read. It is especially suited for operators of small water systems."
—Zane Satterfield, P.E., National Drinking Water Clearinghouse

"A comprehensive guide to water systems that explores every facet of designing and using water resources wisely, efficiently, and in concert with nature. If you need water, you need this book."
—Richard Freudenberger, Executive Editor, Back Home Magazine

add2cart Author: Art Ludwig, published by Oasis Design. 2005. 8.5x11, 125 pages, 43 figures, 128 photos. ISBN 0-9643433-6-3. $19.95


Water Storage Cover

Rainwater Harvesting for Drylands
Vol. I: Guiding principles to welcome rain into your life and landscape

Turn water scarcity into water abundance: A do-it-yourself guide for conceptualizing, designing, and implementing sustainable water-harvesting systems for home, and landscape use.

"Through some bizarre irony, rainwater in the arid west is typically deflected away from water-starved land and shunted off to storm drains. Not so in Brad Lancaster's universe. He welcomes rainwater into the landscape with creativity, intelligence and humor and puts it to use growing food, shading houses, reducing erosion, improving wildlife habitat, and enriching the urban environment. In Rainwater Harvesting for Drylands, he welcomes us to join him in exercising the radical common sense of harvesting rainwater."
— Ann Phillips, Manager of Restoration Projects, Tucson Audubon Society

"Buy this book now. If you live in a dry place, buy it. If you live somewhere subject to droughts (which is everywhere), buy it. The simple techniques (and the principles behind them) can help you save bunches of money, and make the landscape around you more productive and beautiful, with less work and upkeep than you can imagine. Lend it to your neighbors, and you'll benefit as well. (Heck-buy them each a copy.) This how-to manual has enough stories, illustrations and simple ideas to inspire even the most unhandy among us (such as myself). Buy it, try a couple of projects in your backyard, and in a few years be sure to send Brad and me a thank you note!"
— Kevin Dahl, Executive Director of Native Seeds/SEARCH and author of Wild Foods of the Sonoran Desert and Native Harvest: Gardening with Authentic Southwestern Crops

add2cart Author: Brad Lancaster, published by Rainsource Press. 2006. 8.5x11, 183 pages, over 150 illustrations. ISBN 0-9772464-0-X. $24.95


Rainwater Harvesting for Drylands Cover

Building Codes for a Small Planet
The Emerging Path Towards Sustainable Construction

Founded in 1991 as a non-profit organization, the Development Center for Appriopriae Technology draws on extensive experience in traditional and alternative building and development, providing strategic support for the shift to sustainable building practices.

From this video, you will learn about:

  • The unintended effects of current design and construction and their connection to building regulations.
  • Surprising facts about both conventional and alternative materials and methods of construction.
  • A vision for a future where buildings do more good than harm, and building departments are recognized as community resources for best building practices.

"Our current codes are as effective at preventing the best practices as they are for precluding the worst ones." —David Eisenberg

add2cart Produced by the Development Center for Appropriate Technology (DCAT). 48 minutes. $25.




Moisture Sensor Systems


Permanent Systems


Straw Bale Buildings:

The affordable option for monitoring

See our product detail page for more info.

Enclosed Central Panel Kit $825.00
Most common kit for new construction with 16
gauge enclosure and white plexiglass panel.
StrawSense Moisture Sensor Kit*
12” x 12” x 4” NEMA Style Central Panel
250’ Cable for Sensor to Panel Connections
add2cart $825

*Kits include: Six 16” long three chamber
sensors, wire connectors, contacts, moisture
meter, and complete notebook and log.
add2cart Additional Sensors $50.00

Prices do not include shipping. Please note that kits will take up to two weeks to ship.

Custom Systems
Contact GreenWeaver Inc. to discuss custom
system design and pricing for your project.

moisture sense systems
GreenWeaver Gear

Become a GreenWeaver and encourage others to be one too by wearing a GreenWeaver hat, with a logo so graceful and symbolic of the path forward that one of the top green architects in the country wished he had designed it for himself.

Product Details: 100% certified organic cotton twill; self-fabric closure with brass slider and hidden tuck-in. Stitched custom GreenWeaver logo.

add2cart Navy $20

add2cart Sage Green $20

Copyright 2007 GreenWeaverInc and Laura Bartels