Prima 120 AOS Manual
Mugnaini Imports, Inc.
14
Chimney cap with
spark arrestor
Simpson Dura-tech or
equivalent
Roof material of choice
1/2” plywood sheeting
Over 2x4 rafters @ 16” O.C.
Perlite or vermiculite insulation
Thermal insulating
blanket
Wood burning oven
model: Prima 120
3” conc. Slab with 6 x 6—10/10
WWF over construction paper
3” dry sand base
4” conc. Slab with #4 bars
@ 2” O.C. Each way
6” conc. block
#4 bars @ 16” O.C.
Finish materials: stucco,
stone, brick, etc.
4” conc. slab with #4 bars
@ 16” O.C. each way
#4 dowels @ 16” O.C.
footing to conc. block
4” aggregate base
OPEN WOOD STORAGE
12”
min.
Tile, plaster or metal roof cap
#4 cont.
12” min.
Verify with owner
+/- 3’– 9”
22 3/4” 12”
2’– 0’ min.
4”
3”
3”
2 x 4 P.T.D.F. Mudsill with
1/2” A.B. @ 16” O.C.
2” clr
.
PRIMA 120 SECTION SAMPLE DIMENSIONS
Verify
Oven Floor
72”
64”
6” conc. block
10”
1” arch
2” clearance from combustable
materials
2”
12”
min.
16”
Outside diameter: 54”
4” Min.
Arch
10” x 38” (min width)
Cantilevered hearth extension,
subject to owers preference.
8” diameter flue-manifold
Flue setback: approx. 12” from
arch front using 30° elbow
23”
Arch opening
32”
Arch width
Perlite granules
Thermal insulating
blanket (1”)
PRIMA 120 FLOOR AND BASE PLAN
STEP 5
Finish the exterior enclosure walls
with non-flammable materials
of your choice. (e.g. Exterior
Weatherproof Stucco, River Rock,
Slate, Ceramic Tile etc.)
NOTE: If placing the oven under
an overhang or patio structure
follow local Building Codes and
Fire Marshall requirements for
passing the chimney through
combustible ceilings.
