2011 MHA Annual Meeting

3' x 3' Bake Oven with Pat Manley

Photo credits: Norbert Senf

Brick Bake Oven with Pat Manley

Brick Bake Oven with Pat Manley
Pat started the workshop with an introduction to wood fired ovens, and a description of the materials and techniques that would be
used. Here he is showing a tapered arch brick.

Brick Bake Oven with Pat Manley
Firebrick hearth layout, arch forms, mineral wool insulation, soapstone sample.

Brick Bake Oven with Pat Manley
The oven floor bricks sit on a mortar bed, which sits on a 4" sand bed in this case. Normally the bricks would sit on a cast slab
sitting on insulation such as Foamglas/

Brick Bake Oven with Pat Manley
Hearth bricks, with separate perimeter bricks for the oven walls.
Oven floor is 36" wide, which is 4 firebricks.

Brick Bake Oven with Pat Manley
Walls;

Brick Bake Oven with Pat Manley
Form for dropped arch in front, which creates a bell for the gases in the rear.

Brick Bake Oven with Pat Manley
Skew course can be seen on the right.
Pegboard will cover arch forms to create a barrel vault.

Skew brick project on right to form a support for the steel harness, later.

Brick Bake Oven with Pat Manley
The front of this dropped arch forms the rear edge of the exit throat. Bricks are rounded are chamfered at the bottom front,
and much more so in the rear.

Brick Bake Oven with Pat Manley

Brick Bake Oven with Pat Manley
Door arch.

Brick Bake Oven with Pat Manley
Steel harness in place.
During teardown, as soon as one of the 4 bolts on the 2 threaded rods was removed, the vault collapsed.

Brick Bake Oven with Pat Manley

Brick Bake Oven with Pat Manley
Completed vault.
Jeff Owens lays brick on the outer facing. Normally there would be a larger gap, filled with insulation.