How To Make A Cob House Roof
By ziggy may 14 2009 10 comments.
How to make a cob house roof. Learn all the skills. 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. 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. 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.
At long last i have a living roof. Posted 5 years ago. I ve been anticipating this day for over a year now and it s finally done. Learn about the pros and cons of each material in this excerpt taken from roofs.
The 4 thick cob wall. Register for our 2018 cob workshops here. They way the roof is designed is to act in compression while exerting force on the bond beam which will act in tension. The cob wall has small openings in the top and the bottom of the wall to facilitate good ventilation for keeping the house cool.
Cob structures can be used as homes chicken coops barns and even smaller ones for ovens. 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. From sod to straw wool to wood there are a variety of roof insulation options for cob houses. 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.
Building a living sod roof for a cob house. 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. To mix these together the favorite method is with your bare feet. About a third of the world s population lives.
Cob house construction is an ancient building technique using lumps of earth mixed with sand straw and water.