New to this forum, so forgive me if this has been covered. Has anyone ever used lava rock as an aggregate for the concrete base and if so, does it provide good insulation> Thanks in advance.
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!