How to Build a Cob House: Step by Step

Build A Cob House: A Step-By-Step-Guide [eBook] by Alexander Sumerall
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Book Description:

Cob is a building material made out of earth, clay, sand, straw, and water that is pliable and can be hand-sculpted into buildings.

Cob has been used and tested for thousands of years all over the world, and has proven to be a very viable building material. People all over the world are now learning and reviving this ancient building method.

Cob offers answers and solutions to many of the problems that ail our buildings today, and people are very excited and enthusiastic about building homes out of cob. It’s looking like cob is here to stay. Building with cob is not about returning to the past. It’s about moving forward.

Build A Cob House: A Step-By-Step Guide will teach you all the basics of building with cob. You will learn step-by-step, from the ground up, how to build your own cob home.

testimonial-Suzanne-Gossett“I purchased your book…and let me just say wow! It is a wealth of information!!! You have addressed every aspect of building with cob. I read it from cover to cover and couldn’t put it down! The price of the electronic copy is very reasonable. It’s affordable for anyone. It would have been difficult for me to purchase at a higher price. Thank you!”


– 93 Pages

Table of Contents

  • Introduction to Cob and Natural Building
    • What is Cob?
    • What is Natural Building?
    • How else does it differ from conventional building?
    • Vernacular Architecture
    • Building Materials
    • Earthen Building
    • Advantages of Earth Construction
    • Characteristics of Cob
  • Selecting a Building Site
    • Slope
    • Sunlight
    • Water
    • Soil
    • Access
    • Resources
    • Restrictions
  • Designing Your Cob House
    • Selecting a Site
    • Design Considerations
  • Thermal Mass and Insulation
    • Insulation
    • Thermal Mass
  • Passive Solar Design
    • Facing South
    • Window Placement
  • Passive Cooling
    • Ventilation and Insulation
    • Decrease Summer Solar Gain
    • Thermal Mass and Cooling
  • Hybrid Building Systems
    • A Disadvantage of Cob
    • High Insulation Alternatives
    • Hybrid Building Design
  • Cob Ingredients – Soil, Sand, and Straw
    • Soil
    • Sand
    • Straw
    • Water
  • Testing and Selecting Soil
    • Soil Tests
  • Site Preparation
    • Tools
    • Materials
    • Layout
  • Foundations – Basic Principles
    • What is the foundation? Why is it so important?
    • Rubble Trench
    • Stem Walls
  • Rubble Trench Foundations
    • What is a rubble trench foundation?
    • Instructions for Building
  • How to Make Cob – Tarp Method
  • Analyzing Cob Test Bricks
  • Mixing Cob with a Tractor
    • The Purpose of Mixing Cob with a Tractor
    • What You Will Need
    • How to Mix Cob with a Tractor
  • Cob Mixing – Problem and Solution
  • Building Cob Walls – Properties and Dynamics
    • The Basic Process
    • Monolithic Building
    • Spine and Ribs
    • How Thick Should Cob Walls Be?
    • How High Can You Build?
    • Vertical and Tapered Walls
    • How High Can You Build Each Day?
    • Working Up High
  • Building Cob Walls – The 4 Step Method
    • Place
    • Knead
    • Stomp
    • Trim
  • Windows and Doors
    • Lintels
    • Frames
    • Deadman Anchors and Installing Frames
    • Non-Opening Fixed Windows
  • Roofing
    • Basic Roof Components
    • Gable Roofs
    • Ceilings
  • Natural Finishes
    • Earthen Plaster
    • Lime Plaster
    • Lime Wash
    • Tadelakt
  • Installing Utility Lines – Electricity and Water
    • Electrical Lines
    • Water Lines
    • Foundation Integration
    • Access
  • Beginner Cob Projects
    • Cob Oven
    • Cob Bench
    • Cob Garden Wall
    • Cob Dog House or Play House
  • How to Get Training and Learn More


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