Caleb Mayfield wrote:Yes, I would add some type of reinforcement to the outside so if it cracks again it will not fall outward and gap open blocking off your air flow. I think that was what caused the smoke back on the first go.
Glenn Herbert wrote:If the core is the same as before except for the addition of the tripwire and backsweep, something else must have changed for its behavior to have changed drastically. Tell us more about the chimney shelter. Also, more details about the overall system, its setting, your climate, and how it performed last year would be helpful in diagnosis.
thomas rubino wrote:Adam; Here is where I purchased pigment for my cob. http://www.earthpigments.com/ All natural, heat resistant below apx 200 F Very nice product ! You can also get red ,black and yellow dye for concrete at a home depot type store.