How To Make A Cob House Roof

I am planning to build a cob cottage using a post and beam construction to hold up the roof as i am in a seismic area.

How to make a cob house roof.

Register for our 2018 cob workshops here. You would place a bond beam at the top of the cob wall ideally concrete and rebar or alternatively airplane cable connecting all the members of the roof in one big circle. Posted 5 years ago. Cob house construction is an ancient building technique using lumps of earth mixed with sand straw and water.

I ve been anticipating this day for over a year now and it s finally done. To mix these together the favorite method is with your bare feet. For a much fuller discussion of foundations and drainage issues as they relate to cob see my book with ianto evans and linda smiley the hand sculpted house q. Learn all the skills.

Building a living sod roof for a cob house. On monday a group of about twelve folks assembled to help me lift sod onto the top of my roof and in two and a half hours it was effectively covered. They way the roof is designed is to act in compression while exerting force on the bond beam which will act in tension. By ziggy may 14 2009 10 comments.

I am no expert but the guy in england kevin mccabe that builds huge cob houses uses a dead man and a wooden rim and then attaches wood to wood for the roof and then covers the joints in with cob fills the cob up to the roof beams. Cob building is easy to learn requires no special equipment and uses sustainable materials. From sod to straw wool to wood there are a variety of roof insulation options for cob houses. His perseverance and meticulous calculations made it possible for devan mash to design a 4 thick cob wall.

The cob wall has small openings in the top and the bottom of the wall to facilitate good ventilation for keeping the house cool. The important part of cob is getting the mix right you want roughly between 2 parts clay 1 part sand sprinkling of straw and a little water. Learn about the pros and cons of each material in this excerpt taken from roofs. About a third of the world s population lives.

At long last i have a living roof.