Go to a masonry supply & get the standard split brick & you will be fine.
You can quibble over the extra BTUs, hotter fires, & brick life, but in the
long run the less expensive, denser split bricks will do the job. No reason
to make this project any more difficult or more expensive.
You can quibble over the extra BTUs, hotter fires, & brick life, but in the
long run the less expensive, denser split bricks will do the job. No reason
to make this project any more difficult or more expensive.