What build a clay oven pdf a Rumford Fireplace? Building a wall out of cob.
The contents of subsoil naturally vary, and if it does not contain the right mixture it can be modified with sand or clay. Cob structures can be found in a variety of climates across the globe. Middle East, and many parts of the southwestern United States. A number of cob cottages survive from mid-19th-century New Zealand.
The construction would progress according to the time required for the prior course to dry. After drying, the walls would be trimmed and the next course built, with lintels for later openings such as doors and windows being placed as the wall takes shape. The thick walls provided excellent thermal mass which was easy to keep warm in winter and cool in summer. Walls with a high thermal mass value act as a thermal buffer inside the home. Without fiber, however, cob loses most of its tensile strength. An example of a modern cob home in the Pacific Northwest style. The exterior cob wall is plastered for an attractive, uniform appearance.
The Sota Construction Services Corporate Headquarters in Pittsburgh, Pennsylvania, United States constructed of cob walls. 1994, it was reputedly the first cob residence built in the country in 70 years. There are a number of other completed modern cob houses and more are planned, including a public education centre. Sustainable Building of the Year award in 2005. Platinum rating in 2012, and it also received one of the highest scores by percentage of total points earned in any LEED category.