Cob House Roof Construction

Building the living roof.

Cob house roof construction.

Once the perimeter of the roof was covered with sod we covered the rest of the roof. Using the same mix as cob the cmb s are made on the construction site itself. The staircase and parapet walls are made with the same blocks placed on their 4 inch edge put together with mud lime mortar. A cob home has a lot of benefits the one down side is that it s very labor intensive and takes a good while.

Some are built with moss in the roof and some with a tarp type fabric for more of a teepee effect. To make vents in the cob walls bury a three inch pipe running through the cob. Building a cob house. Since i already wrote about cutting sod for my roof i will describe how the sod was loaded.

Set the foundation for your cob house. The top and bottom of this space need to be vented out of the roof through the cob walls. Since you aren t using a linear building material like lumber many cob homes are made with curves bumps and flowing lines. The top part of the compressed earth block parapet wall is lined with a layer of baked brick.

Unlike traditional houses which can got up very quickly cob is a slow process so be prepared.