8
Style 1 - Cut Openings for 3¼" x 10" (8.3 cm x 25.4 cm)
Rectangular Vent System
Roof Venting
To make a 4
¹⁄₄
" x 10½" (10.8 cm x 26.7 cm) rectangular cutout
on the underside of cabinet top and bottom:
1. Mark lines
¹⁄₂
" (1.3 cm) and 4
³⁄₄
" (12.1 cm) from the back wall
on the centerline of the underside of cabinet.
2. Mark lines 5¼" (13.3 cm) to the right and left of the centerline
on the underside of cabinet.
3. Use saber or keyhole saw to cut a rectangular opening for
vent.
4. Repeat steps 1-3 for the underside of the top of the cabinet.
Wall Venting
To make a 3½" x 10½" (8.9 cm x 26.7 cm) rectangle in the
wall:
1. Make 2 lines by measuring
³⁄₈
" (0.9 cm) and 3
⁷⁄₈
" (9.8 cm)
down from underside of cabinet and mark on the centerline
on the back wall.
2. Mark lines 5¼" (13.3 cm) to the right and left of the centerline
on the wall.
3. Use saber or keyhole saw to cut a rectangular opening in the
wall for the vent.
Style 2 - Cut Openings for 3¼" x 10" (8.3 x 25.4 cm)
Rectangular Vent to Round Vent Transition
Roof Venting
To make a 4
¹⁄₄
" x 10½" (10.8 cm x 26.7 cm) rectangular cutout
on the underside of cabinet bottom:
1. Mark lines
¹⁄₂
" (1.3 cm) and 4
³⁄₄
" (12.1 cm) from the back wall
on the centerline of the underside of cabinet.
2. Mark lines 5¼" (13.3 cm) to the right and left of the centerline
on the underside of cabinet.
3. Use saber or keyhole saw to cut a rectangular opening for
vent.
To make a circular vent opening on the underside of the
cabinet top:
1. Mark a centerline on the underside of the top of cabinet.
2. Mark a line
5
" (12.7 cm) from the back wall on the underside
of the top of cabinet.
3. Use a compass or a circle template to draw a circle with a
diameter that is ¼" (0.64 cm) larger than the vent.
4. Use saber or keyhole saw to cut the circular vent opening.
Style 3 - Cut Openings for 7" (17.8 cm) Round Vent
To make a circular vent openings on the underside of the
cabinet top and bottom:
1. Mark a centerline on the underside of the top of cabinet.
2. Mark a line
5
" (12.7 cm) from the back wall on the underside
of the top and bottom of cabinet.
3. Use a compass or a circle template to draw a circle with a
diameter that is ¼" (0.64 cm) larger than the vent.
4. Use saber or keyhole saw to cut the circular vent opening.
5
¹
/
₄
"
(13.3 cm)
5
¹
/
₄
"
(13.3 cm)
*4
³⁄₄
"
(12.1 cm)
*From wall, not cabinet frame
Cabinet cutouts
*
¹⁄₂
" (1.3 cm)
³⁄₈
"
3⁷⁄₈
"
Cabinet
front
(0.9 cm)
(9.8 cm)
5
¹⁄₄
"
(13.3 cm)
Centerline
5
¹⁄₄
"
(13.3 cm)
5
¹
/
₄
"
(13.3 cm)
5
¹
/
₄
"
(13.3 cm)
*4
³⁄₄
"
(12.1 cm)
*From wall, not cabinet frame
*
¹⁄₂
" (1.3 cm)
Circular vent opening
Cabinet
cutouts
*From wall, not
cabinet frame
*5"
(12.7 cm)
7
¹
/
₄
" (18.4 cm) diam.
cabinet cutouts
*From wall, not
cabinet frame
*5"
(12.7 cm)
