[Cob] Attaching a roof to cob columns

[Kevin Brown]

Greetings all,

I'm building a gathering place of sorts in central Montana (Big Sky
Country) and am building a roof with two cross beams attached to cob
pillars. Any suggestions on how to attach the roof to the pillars? 
The surface area of the top of the pillars will roughly be 16-20" x
16-20". Thanks

Kevin Brown



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