I am preparing to lay my first chain of bricks for the dome. I have read that this chain should be mortared to the hearth and I have read that it should not as the mortar might adversely affect the thermal expansion of the dome. I will greatly appreciate any input.
Forum Issues Update
Things are progressing in getting things back in order on the Forum! User avatars should be showing up. Attachment and inline images are in the process of being uploaded. We are still looking for a migration path for the Photoplog gallery. Thank you for your patience!
Mortar or not to mortar